[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
Launchpad has imported 13 comments from the remote bug at https://bugzilla.redhat.com/show_bug.cgi?id=544084. If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. On 2009-12-03T21:33:32+00:00 Don wrote: Description of problem: Received warning that my disk was full (unpartitioned disk inside a KVM virtual machine). Noticed that /var was 2.2G (out of 8G disk). Looked further and saw that /var/log/messages was 2.2G. Tailed it and saw these messages being spammed at high speed over and over: Dec 3 15:16:02 foo pulseaudio[1465]: socket-server.c: accept(): Too many open files Dec 3 15:16:02 foo pulseaudio[1465]: socket-server.c: accept(): Too many open files Dec 3 15:16:02 foo pulseaudio[1465]: socket-server.c: accept(): Too many open files Dec 3 15:16:02 foo pulseaudio[1465]: socket-server.c: accept(): Too many open files Dec 3 15:16:02 foo pulseaudio[1465]: socket-server.c: accept(): Too many open files I had to kill the pulseaudio process and delete other files just to be able to try to compress messages. Version-Release number of selected component (if applicable): pulseaudio-0.9.21-1.fc12.x86_64 How reproducible: Have not yet tried. Additional info: When the messages file finishes compressing, I'll reboot the VM and see if the problem occurs. This VM was just created yesterday. Reply at: https://bugs.launchpad.net/ubuntu/+source/alsa- lib/+bug/451893/comments/19 On 2009-12-03T22:25:35+00:00 Don wrote: Finally copied the log to my host wher I have more disk. Here's where the trouble started, just earlier today. These messages are sequential, I haven't deleted any lines from the log, just changed the name of my machine hostname to "foo": Dec 3 09:21:20 foo pulseaudio[1465]: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pc m_avail() returned 0 or another value < min_avail. Dec 3 09:31:03 foo avahi-daemon[817]: Received response from host 172.16.30.3 with invalid source port 58346 on in terface 'eth0.0' Dec 3 14:05:42 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:05:42 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:08:04 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:11:08 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:11:08 foo pulseaudio[1465]: sink-input.c: Failed to create sink input: sink is suspended. Dec 3 14:13:10 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:13:29 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:13:36 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:13:57 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:14:27 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:15:36 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:16:32 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:17:24 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:17:36 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:17:47 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:17:58 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:18:04 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:18:12 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:18:20 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:19:41 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:20:01 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:20:26 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:23:33 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:23:46 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:24:12 foo pulseaudio[1465]: alsa-sink.c: Error opening PCM device front:0: Too many open files Dec 3 14:24:40 foo pulseaudio[1465]:
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
** Branch linked: lp:~ubuntu-core-dev/alsa-lib/ubuntu.new -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
** Branch linked: lp:ubuntu/alsa-lib ** Branch linked: lp:ubuntu/karmic-proposed/alsa-lib -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
This bug was fixed in the package alsa-lib - 1.0.20-3ubuntu6.1 --- alsa-lib (1.0.20-3ubuntu6.1) karmic-proposed; urgency=low * debian/patches/Dont_leak_timer_fd_on_pcm_slave_close.patch: Prevent a local DoS by properly freeing timer fds when closing pcm slaves. Backported from upstream master HEAD (LP: #451893) -- Daniel T Chen crim...@ubuntu.com Mon, 21 Dec 2009 06:33:01 -0500 ** Changed in: alsa-lib (Ubuntu Karmic) Status: Fix Committed = Fix Released -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
** Changed in: alsa-lib (Ubuntu Karmic) Status: Fix Released = Fix Committed -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
Please do not change bug statuses without a really fine reason attached. ** Changed in: alsa-lib (Ubuntu Karmic) Status: Fix Committed = Fix Released -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
I confirm that the 1.0.20-3ubuntu6.1 package in proposed fixes this bug for me as well. Great thanks! -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
** Tags added: verification-done ** Tags removed: verification-needed -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
Yes, seems to work for me as well. Thanks. -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
The 1.0.20-3ubuntu6.1 package in proposed works for me, though I'd like to hear from some other people who were having this problem as well. -Dan -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
** Attachment removed: debdiff for karmic-proposed http://launchpadlibrarian.net/37005087/alsa-lib_1.0.20-3ubuntu6.1.debdiff ** Attachment added: updated debdiff for karmic-proposed backported from upstream master HEAD http://launchpadlibrarian.net/37016945/alsa-lib_1.0.20-3ubuntu6.1.debdiff_2 ** Description changed: --- SRU information follows --- Impact: 9.10 users may experience a local denial of service due to fd exhaustion caused by alsa-lib failing to properly free timers upon closing slave pcm devices. 10.04 resolution: http://bazaar.launchpad.net/~ubuntu-core-dev/alsa- - lib/ubuntu.new/annotate/head:/debian/patches/0001-ALSA-pcm-Properly- - close-timer-when-freeing-slaves.patch has been applied and submitted - upstream. + lib/ubuntu.new/annotate/head%3A/debian/patches/Dont_leak_timer_fd_on_pcm_slave_close.patch + has been applied. - Minimal 9.10 patch: http://launchpadlibrarian.net/37005087/alsa- - lib_1.0.20-3ubuntu6.1.debdiff + Minimal 9.10 patch: http://launchpadlibrarian.net/37016945/alsa- + lib_1.0.20-3ubuntu6.1.debdiff_2 TEST CASE: Choose a multichannel surround profile in Sound Preferences Hardware Profile Regression potential: low to none -- all pcm (including slave pcm) devices will properly free associated timers --- original bug report follows --- Binary package hint: pulseaudio First: note that this is not bug 446355, though it is similar. The message in the system log is: Oct 13 14:25:51 zest pulseaudio[3578]: alsa-util.c: Unable to set sw params: Too many open files Oct 13 14:25:51 zest pulseaudio[3578]: alsa-sink.c: Failed to set software parameters: Too many open files Infinitely, repeatedly, until the /var/log/syslog and /var/log/user.log files fill up the partition that they are on. I have had to clear my log files 3 times now in the past day because my root filesystem was full, which started breaking various things (like my postfix installation which gets my mail delivered directly to me). The log files are available on request privately, they contain information that I do not want published on the bug report, and due to their size, I cannot be sure to filter them and not accidentally remove anything relevant. There may be more in the log files than I have seen, simply because of the amount of stuff there. For anyone who requests the files, I'll email them: note that the log files are to 4 MB. However, they will expand to somewhere around 9 GB; compression on my system (4x 2.2 GHz 64-bit cores) took 300 minutes each, compressing with pbzip2. If you have a multiple-core system, decompression will go a lot more quickly if you use pbzip2 instead of bzip2 (and note also that compression took about 5 hours, I'd expect decompression to be similar). I will attached trimmed-down versions of these files as well, shortly after uploading the full log files. This bug causes denial of service of anything in /var or on /, so I am classifying this as a security bug. ProblemType: Bug Architecture: amd64 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC0: mbt 27536 F pulseaudio /dev/snd/timer: mbt 27536 f pulseaudio Card0.Amixer.info: Card hw:0 'Live'/'SB Live! 5.1 [SB0060] (rev.7, serial:0x80611102) at 0xdc00, irq 19' Mixer name : 'SigmaTel STAC9708,11' Components : 'AC97a:83847608' Controls : 224 Simple ctrls : 45 Date: Thu Oct 15 00:42:33 2009 DistroRelease: Ubuntu 9.10 NonfreeKernelModules: nvidia Package: pulseaudio 1:0.9.19-0ubuntu1 ProcEnviron: PATH=(custom, user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: pulseaudio Uname: Linux 2.6.31.3-bfs303 x86_64 -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
Accepted alsa-lib into karmic-proposed, the package will build now and be available in a few hours. Please test and give feedback here. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you in advance! ** Changed in: alsa-lib (Ubuntu Karmic) Status: New = Fix Committed ** Tags added: verification-needed -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
Ok, I had some time to compile alsa-lib with debugging and poke at this a little more. From looking at it, it looks like alsa only opens these timers when using extra channels - like rear and center. So on 5.1 it's opening a timer for front, rear and center, while on 4.1 it opens one for rear and one for front. When pulseaudio suspends (when there hasn't been any audio played for 5 seconds) it calls snd_pcm_close and when it unsuspends (when sound is played again) it opens it back up. The problem is that the file handles for the timers are not being closed when snd_pcm_close is called, and more are opened back up when unsuspending. I'm no alsa or pulseaudio expert, so if any of this is off I apologize. In any case, I was able to fix this by closing the timer in snd_pcm_hw_hw_free which is called for each slave when snd_pcm_close is called. With this change it works as expected, with the 3 file handles to the timer being open while pulseaudio is actively playing sound and 0 when it's not after a few seconds. I've attached the patch as well as a patched package for amd64 and i386. I had some trouble compiling the lib32 packages on my machine for some reason (unrelated to this fix) so those are not included. Hope this fixes it for others as well, -Dan ** Attachment added: close_timers_fix_451893.diff http://launchpadlibrarian.net/36998595/close_timers_fix_451893.diff -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
** Attachment added: amd64 package with patch http://launchpadlibrarian.net/36998622/libasound2_1.0.20-3ubuntu6_amd64.deb -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
** Attachment added: i386 package with patch http://launchpadlibrarian.net/36998624/libasound2_1.0.20-3ubuntu6_i386.deb -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
Excellent catch! I've pushed this upstream (http://mailman.alsa- project.org/pipermail/alsa-devel/2009-December/024070.html). -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
** Package changed: pulseaudio (Ubuntu) = alsa-lib (Ubuntu) ** Changed in: alsa-lib (Ubuntu) Importance: Undecided = High ** Changed in: alsa-lib (Ubuntu) Status: Confirmed = Fix Committed ** Changed in: alsa-lib (Ubuntu) Assignee: (unassigned) = Daniel T Chen (crimsun) -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
** Branch linked: lp:~crimsun/alsa-lib/ubuntu.new -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
This bug was fixed in the package alsa-lib - 1.0.21a-1ubuntu3 --- alsa-lib (1.0.21a-1ubuntu3) lucid; urgency=low * 0001-ALSA-pcm-Properly-close-timer-when-freeing-slaves.patch: Properly free timer fd when closing pcm slaves. Thanks, Dan McCombs! (submitted upstream, LP: #451893) -- Daniel T Chen crim...@ubuntu.com Sun, 20 Dec 2009 15:41:06 -0500 ** Changed in: alsa-lib (Ubuntu) Status: Fix Committed = Fix Released -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
** Also affects: alsa-lib (Ubuntu Karmic) Importance: Undecided Status: New -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
** Attachment added: debdiff for karmic-proposed http://launchpadlibrarian.net/37005087/alsa-lib_1.0.20-3ubuntu6.1.debdiff -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
** Description changed: + --- SRU information follows --- + + Impact: 9.10 users may experience a local denial of service due to fd + exhaustion caused by alsa-lib failing to properly free timers upon + closing slave pcm devices. + + 10.04 resolution: http://bazaar.launchpad.net/~ubuntu-core-dev/alsa- + lib/ubuntu.new/annotate/head:/debian/patches/0001-ALSA-pcm-Properly- + close-timer-when-freeing-slaves.patch has been applied and submitted + upstream. + + Minimal 9.10 patch: http://launchpadlibrarian.net/37005087/alsa- + lib_1.0.20-3ubuntu6.1.debdiff + + TEST CASE: Choose a multichannel surround profile in Sound Preferences + Hardware Profile + + Regression potential: low to none -- all pcm (including slave pcm) + devices will properly free associated timers + + --- original bug report follows --- + Binary package hint: pulseaudio First: note that this is not bug 446355, though it is similar. The message in the system log is: Oct 13 14:25:51 zest pulseaudio[3578]: alsa-util.c: Unable to set sw params: Too many open files Oct 13 14:25:51 zest pulseaudio[3578]: alsa-sink.c: Failed to set software parameters: Too many open files Infinitely, repeatedly, until the /var/log/syslog and /var/log/user.log files fill up the partition that they are on. I have had to clear my log files 3 times now in the past day because my root filesystem was full, which started breaking various things (like my postfix installation which gets my mail delivered directly to me). The log files are available on request privately, they contain information that I do not want published on the bug report, and due to their size, I cannot be sure to filter them and not accidentally remove anything relevant. There may be more in the log files than I have seen, simply because of the amount of stuff there. For anyone who requests the files, I'll email them: note that the log files are to 4 MB. However, they will expand to somewhere around 9 GB; compression on my system (4x 2.2 GHz 64-bit cores) took 300 minutes each, compressing with pbzip2. If you have a multiple-core system, decompression will go a lot more quickly if you use pbzip2 instead of bzip2 (and note also that compression took about 5 hours, I'd expect decompression to be similar). I will attached trimmed-down versions of these files as well, shortly after uploading the full log files. This bug causes denial of service of anything in /var or on /, so I am classifying this as a security bug. ProblemType: Bug Architecture: amd64 AudioDevicesInUse: - USERPID ACCESS COMMAND - /dev/snd/controlC0: mbt 27536 F pulseaudio - /dev/snd/timer: mbt 27536 f pulseaudio + USERPID ACCESS COMMAND + /dev/snd/controlC0: mbt 27536 F pulseaudio + /dev/snd/timer: mbt 27536 f pulseaudio Card0.Amixer.info: - Card hw:0 'Live'/'SB Live! 5.1 [SB0060] (rev.7, serial:0x80611102) at 0xdc00, irq 19' -Mixer name : 'SigmaTel STAC9708,11' -Components : 'AC97a:83847608' -Controls : 224 -Simple ctrls : 45 + Card hw:0 'Live'/'SB Live! 5.1 [SB0060] (rev.7, serial:0x80611102) at 0xdc00, irq 19' + Mixer name : 'SigmaTel STAC9708,11' + Components : 'AC97a:83847608' + Controls : 224 + Simple ctrls : 45 Date: Thu Oct 15 00:42:33 2009 DistroRelease: Ubuntu 9.10 NonfreeKernelModules: nvidia Package: pulseaudio 1:0.9.19-0ubuntu1 ProcEnviron: - PATH=(custom, user) - LANG=en_US.UTF-8 - SHELL=/bin/bash + PATH=(custom, user) + LANG=en_US.UTF-8 + SHELL=/bin/bash SourcePackage: pulseaudio Uname: Linux 2.6.31.3-bfs303 x86_64 ** Changed in: alsa-lib (Ubuntu Karmic) Assignee: (unassigned) = Daniel T Chen (crimsun) -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
** Bug watch added: Red Hat Bugzilla #544084 https://bugzilla.redhat.com/show_bug.cgi?id=544084 ** Also affects: pulseaudio (Fedora) via https://bugzilla.redhat.com/show_bug.cgi?id=544084 Importance: Unknown Status: Unknown -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
** Changed in: pulseaudio (Fedora) Status: Unknown = Confirmed -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
I've done a little more digging and I'm not sure this is a bug in
pulseaudio, or a bug in alsa-lib. After poking around pulseaudio with
gdb for a while, I narrowed down the line where the extra file handles
appear to line 450 in src/modules/alsa/alsa-util.c in the source
retrieved via apt-get source pulseaudio. The line is a call to alsa-
lib:
if ((err = snd_pcm_sw_params(pcm, swparams)) 0) {
I compared some variables around there between using the 5.1 profile and
the stereo profile and things seemed to match up, so while I'm not
positive as I don't know pulseaudio (or alsa) very well, I think the
only difference in what pulseaudio is passing to this function is the
pcm device itself, so maybe alsa-lib is to blame?
That's all the time I have to spend on this for now, maybe later this
week I'll compile alsa-lib with debugging so I can peak at that as well.
--
PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
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[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
I've got the same issue, with a SoundBlaster Live! 5.1 Dell OEM card. I also get a file handle leak when using the Analog Surround 5.1 Output profile - 3 handles leak at a time. When I use the Analog Surround 4.0 Output profile, only two handles leak each time. When using the (default) Analog Stereo Duplex profile, no file handles leak. I built pulseaudio and alsa-lib from their respective git HEADs, but the issue (leaking file handles to /dev/snd/timer) remains. Where might I look next to find the origin of the leaked file handles? I have no experience with sound programming, but I'm willing to try out any suggestions. -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
Whew, I just ran into this bug - suddenly I got a message that my file system was almost full, my CPU was pegged by pulseaudio and rsyslogd, and a few minutes later my file system was full with many gigs of /var/log/syslog and /var/log/user.log. About 31 million lines in each file for pulseaudio: (after i gzipped them and rotated) overri...@citadel-station:/var/log$ zcat syslog.1.gz | grep pulseaudio | wc -l 31001234 overri...@citadel-station:/var/log$ zcat user.log.1.gz | grep pulseaudio | wc -l 31000642 The lines appear to all (or at least mostly) be: Nov 29 17:19:30 citadel-station pulseaudio[2365]: socket-server.c: accept(): Too many open files Nov 29 17:19:30 citadel-station pulseaudio[2365]: socket-server.c: accept(): Too many open files Nov 29 17:19:30 citadel-station pulseaudio[2365]: socket-server.c: accept(): Too many open files Cause?: I've been using karmic on this system without a problem with pulseaudio since the first beta. Last night I changed my speaker configuration in my volume control from Analog Stereo Duplex to Analog Surround 5.1 Output. I have to think that's related based on the timing. I shut this computer off every night, so this isn't something that just built up over time. I'd be happy to provide any additional information that anyone would like regarding this. -Dan -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
I can confirm the file handle leak on /dev/snd/timer only happens if I have the Analog Surround 5.1 Output Profile selected instead of Analog Stereo Duplex. Three file handles to /dev/snd/timer are left open each time a sound is played with the 5.1 profile: overri...@citadel-station:~$ ls -l /proc/$(pgrep pulseaudio)/fd|grep timer | wc -l 12 overri...@citadel-station:~$ ls -l /proc/$(pgrep pulseaudio)/fd|grep timer | wc -l 15 overri...@citadel-station:~$ ls -l /proc/$(pgrep pulseaudio)/fd|grep timer | wc -l 18 This using a Sound Blaster Audigy sound card. -Dan -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
Hrm... I wonder if maybe the problem has anything to do with the fact that the cards have hardware mixing and can be opened multiple times? On Nov 29, 2009 7:05 PM, Dan McCombs overri...@gmail.com wrote: I can confirm the file handle leak on /dev/snd/timer only happens if I have the Analog Surround 5.1 Output Profile selected instead of Analog Stereo Duplex. Three file handles to /dev/snd/timer are left open each time a sound is played with the 5.1 profile: overri...@citadel-station:~$ ls -l /proc/$(pgrep pulseaudio)/fd|grep timer | wc -l 12 overri...@citadel-station:~$ ls -l /proc/$(pgrep pulseaudio)/fd|grep timer | wc -l 15 overri...@citadel-station:~$ ls -l /proc/$(pgrep pulseaudio)/fd|grep timer | wc -l 18 This using a Sound Blaster Audigy sound card. -Dan -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.l... -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
Recent (git HEAD) changes in alsa-lib have added close-on-exec semantics. I'll hack in a deb for the PPA this week. On Nov 29, 2009 4:20 PM, Michael B. Trausch m...@trausch.us wrote: Hrm... I wonder if maybe the problem has anything to do with the fact that the cards have hardware mixing and can be opened multiple times? On Nov 29, 2009 7:05 PM, Dan McCombs overri...@gmail.com wrote: I can confirm the file handle ... (/var/log) https://bugs.l... -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchp... -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
I can confirm this bug. I can trigger it with playing quake live ;-), after that i also have no sound in some programs (totem, vlc, xine, mplayer), but others work (rythmbox, flashplugin). I have not yet found a way to fix that without rebooting, restarting pulseaudio doesn't work strangely. ** Changed in: pulseaudio (Ubuntu) Status: New = Confirmed -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
I believe my problem to be the same but with slightly different log spam Nov 1 14:48:07 chris-desktop pulseaudio[3973]: alsa-sink.c: Error opening PCM device surround51:1: Too many open files Nov 1 14:48:07 chris-desktop pulseaudio[3973]: alsa-sink.c: Error opening PCM device surround51:1: Too many open files Nov 1 14:48:07 chris-desktop pulseaudio[3973]: alsa-sink.c: Error opening PCM device surround51:1: Too many open files Nov 1 14:48:07 chris-desktop pulseaudio[3973]: alsa-sink.c: Error opening PCM device surround51:1: Too many open files Nov 1 14:48:07 chris-desktop pulseaudio[3973]: alsa-sink.c: Error opening PCM device surround51:1: Too many open files Nov 1 14:48:07 chris-desktop pulseaudio[3973]: alsa-sink.c: Error opening PCM device surround51:1: Too many open files after a *year* this is *still* not production ready, really quite embarrassing, you can't blame alsa for pulse audio's poor error handling, even if alsa totally fails pulse audio should NOT be flooding logs its a potential security flaw... #!/bin/bash killall pulseaudio pulse-session use this script as a workaround -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
On Mon, 2009-10-19 at 21:26 +, Daniel T Chen wrote: Firstly, are you running current Karmic? The most recent pulseaudio package Conflicts rtkit, which was spamming syslog due to a patch not being applied to the Karmic linux source package. I've updated today, I will pull updates again here in a bit. Should this issue be gone with the latest updates? --- Mike -- Blog: http://mike.trausch.us/blog/ Misc. Software: http://mike.trausch.us/software/ “The greater danger for most of us lies not in setting our aim too high and falling short; but in setting our aim too low, and achieving our mark.” —Michelangelo -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
I'm not sure how to go about doing this, could you provide me with some pointers or a starting point? Deleting my log files and doing pulseaudio -k is getting somewhat old, and it makes my CPU run like crazy, thus making my fans step up to maximum and also getting to be very loud. -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
On Mon, Oct 19, 2009 at 4:36 PM, Michael B. Trausch m...@zest.trausch.us wrote: I'm not sure how to go about doing this, could you provide me with some pointers or a starting point? Deleting my log files and doing Firstly, are you running current Karmic? The most recent pulseaudio package Conflicts rtkit, which was spamming syslog due to a patch not being applied to the Karmic linux source package. -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
Daniel, Yes, it happens with the Ubuntu kernel also: m...@zest:~/$ ls -l /proc/$(pgrep pulseaudio)/fd|grep timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 28 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 29 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 30 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 42 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 43 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 44 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 49 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 50 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 51 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 55 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 56 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 57 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 58 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 59 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 60 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:40 65 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:40 66 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:40 67 - /dev/snd/timer m...@zest:~/$ ps -f $(pgrep pulseaudio) UIDPID PPID C STIME TTY STAT TIME CMD mbt 3486 1 0 14:08 ?Ssl0:01 /usr/bin/pulseaudio --start m...@zest:~/$ pulseaudio --version pulseaudio 0.9.19 m...@zest:~/$ uname -a Linux zest 2.6.31-14-generic #47-Ubuntu SMP Thu Oct 15 03:42:30 UTC 2009 x86_64 GNU/Linux m...@zest:~/$ -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
Are you using glitch-free? On Oct 16, 2009 5:50 PM, Michael B. Trausch m...@zest.trausch.us wrote: Daniel, Yes, it happens with the Ubuntu kernel also: m...@zest:~/$ ls -l /proc/$(pgrep pulseaudio)/fd|grep timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 28 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 29 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 30 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 42 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 43 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 44 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 49 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 50 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 51 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 55 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 56 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 57 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 58 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 59 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 60 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:40 65 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:40 66 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:40 67 - /dev/snd/timer m...@zest:~/$ ps -f $(pgrep pulseaudio) UID PID PPID C STIME TTY STAT TIME CMD mbt 3486 1 0 14:08 ?Ssl0:01 /usr/bin/pulseaudio --start m...@zest:~/$ pulseaudio --version pulseaudio 0.9.19 m...@zest:~/$ uname -a Linux zest 2.6.31-14-generic #47-Ubuntu SMP Thu Oct 15 03:42:30 UTC 2009 x86_64 GNU/Linux m...@zest:~/$ -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchp... -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
On Fri, 2009-10-16 at 22:00 +, Daniel T Chen wrote: Are you using glitch-free? I haven't the slightest clue what you're asking. I'm using PulseAudio as it comes with Ubuntu, configured for my number of speakers using the GNOME Volume control panel. --- Mike On Oct 16, 2009 5:50 PM, Michael B. Trausch m...@zest.trausch.us wrote: Daniel, Yes, it happens with the Ubuntu kernel also: m...@zest:~/$ ls -l /proc/$(pgrep pulseaudio)/fd|grep timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 28 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 29 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 30 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 42 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 43 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 44 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 49 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 50 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 51 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 55 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 56 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 57 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 58 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 59 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:39 60 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:40 65 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:40 66 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-16 17:40 67 - /dev/snd/timer m...@zest:~/$ ps -f $(pgrep pulseaudio) UID PID PPID C STIME TTY STAT TIME CMD mbt 3486 1 0 14:08 ?Ssl0:01 /usr/bin/pulseaudio --start m...@zest:~/$ pulseaudio --version pulseaudio 0.9.19 m...@zest:~/$ uname -a Linux zest 2.6.31-14-generic #47-Ubuntu SMP Thu Oct 15 03:42:30 UTC 2009 x86_64 GNU/Linux m...@zest:~/$ -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchp... -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a direct subscriber of the bug. Status in “pulseaudio” package in Ubuntu: New Bug description: Binary package hint: pulseaudio First: note that this is not bug 446355, though it is similar. The message in the system log is: Oct 13 14:25:51 zest pulseaudio[3578]: alsa-util.c: Unable to set sw params: Too many open files Oct 13 14:25:51 zest pulseaudio[3578]: alsa-sink.c: Failed to set software parameters: Too many open files Infinitely, repeatedly, until the /var/log/syslog and /var/log/user.log files fill up the partition that they are on. I have had to clear my log files 3 times now in the past day because my root filesystem was full, which started breaking various things (like my postfix installation which gets my mail delivered directly to me). The log files are available on request privately, they contain information that I do not want published on the bug report, and due to their size, I cannot be sure to filter them and not accidentally remove anything relevant. There may be more in the log files than I have seen, simply because of the amount of stuff there. For anyone who requests the files, I'll email them: note that the log files are to 4 MB. However, they will expand to somewhere around 9 GB; compression on my system (4x 2.2 GHz 64-bit cores) took 300 minutes each, compressing with pbzip2. If you have a multiple-core system, decompression will go a lot more quickly if you use pbzip2 instead of bzip2 (and note also that compression took about 5 hours, I'd expect decompression to be similar). I will attached trimmed-down versions of these files as well, shortly after uploading the full log files. This bug causes denial of service of anything in /var or on /, so I am classifying this as a security bug. ProblemType: Bug Architecture: amd64 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC0: mbt 27536 F pulseaudio /dev/snd/timer: mbt 27536 f pulseaudio Card0.Amixer.info: Card hw:0 'Live'/'SB Live! 5.1 [SB0060] (rev.7, serial:0x80611102) at 0xdc00, irq 19' Mixer name : 'SigmaTel STAC9708,11' Components : 'AC97a:83847608' Controls : 224 Simple ctrls : 45 Date: Thu Oct 15 00:42:33 2009 DistroRelease: Ubuntu 9.10 NonfreeKernelModules: nvidia Package: pulseaudio 1:0.9.19-0ubuntu1 ProcEnviron: PATH=(custom, user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: pulseaudio Uname: Linux 2.6.31.3-bfs303 x86_64 -- Blog: http://mike.trausch.us/blog/ Misc. Software: http://mike.trausch.us/software/ “The greater danger for most of us lies not in setting our aim too high and falling short; but in setting our aim too low, and achieving our mark.” —Michelangelo --
Re: [Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
Right, so you are using glitch-free. Let's see if we can narrow down whether it's linux or PA at issue, or possibly both. There are definitely workarounds for either/both. -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
** Visibility changed to: Public ** This bug is no longer flagged as a security vulnerability -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
Hi Marc, I'm wondering why you removed the security vulnerability flag. This causes a denial of service for at least MTA software and probably any other software that relies on /var or / not being full. PulseAudio is opening /dev/snd/timer until its maximum number of open files is reached. At that point. PulseAudio logs the same two messages until /var/log's available space is full. This causes subsequent log messages to be lost, and provides opportunities for several security- related events to occur without even a remote chance of detection. Furthermore, it causes the failure of MTA software even if /var/mail is _not_ full. -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
It would appear that the best way to trigger it is to play lots of sounds. Every time a new system event sound plays, for example, PA opens /dev/snd/timer 3 more times. I have no log messages to indicate why, nor can I otherwise explain this highly odd behavior. This means that the time to syslog beginning to fill up depends on how many events are played through the speakers. It may happen at other times, too. I just restarted PA and already have many open instances of /dev/snd/timer: m...@zest:/proc/31224/fd$ ls -l /proc/$(pgrep pulseaudio)/fd|grep timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 27 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 28 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 29 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 45 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 46 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 47 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 48 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 49 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 50 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 51 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 52 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 53 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 54 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 55 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 58 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 59 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 60 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 64 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 65 - /dev/snd/timer lr-x-- 1 mbt mbt 64 2009-10-15 22:16 66 - /dev/snd/timer m...@zest:/proc/31224/fd$ ps -f $(pgrep pulseaudio) UIDPID PPID C STIME TTY STAT TIME CMD mbt 25546 1 0 22:12 ?Ssl0:02 /usr/bin/pulseaudio --start - m...@zest:/proc/31224/fd$ pulseaudio --version pulseaudio 0.9.19 m...@zest:/proc/31224/fd$ apt-cache show pulseaudio Package: pulseaudio Priority: optional Section: sound Installed-Size: 4268 Maintainer: Ubuntu Core Developers ubuntu-devel-disc...@lists.ubuntu.com Original-Maintainer: Pulseaudio maintenance team pkg-pulseaudio-de...@lists.alioth.debian.org Architecture: amd64 Version: 1:0.9.19-0ubuntu2 -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
Is this symptom reproducible in the Ubuntu Karmic kernel (2.6.31-14.47-generic)? -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 451893] Re: PulseAudio opens too many files, locks up, and fills up root fs (/var/log)
On Fri, 2009-10-16 at 03:23 +, Daniel T Chen wrote: Is this symptom reproducible in the Ubuntu Karmic kernel (2.6.31-14.47-generic)? I suppose I can find out, but if the problem is dependent on the kernel to be triggered, then this PA bug is a much larger bug than it would appear to be; PA should not have bugs able to be triggered by dropping in a newer kernel that fulfills the same interfaces. Give me some time to switch back as my system is currently working on some things and I cannot reboot right now. --- Mike -- Blog: http://mike.trausch.us/blog/ Misc. Software: http://mike.trausch.us/software/ “The greater danger for most of us lies not in setting our aim too high and falling short; but in setting our aim too low, and achieving our mark.” —Michelangelo -- PulseAudio opens too many files, locks up, and fills up root fs (/var/log) https://bugs.launchpad.net/bugs/451893 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
