[Bug 1096520] Re: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening
OK, on a non-luks encrypted bog-standard lvm2 install of the latest trusty tahr. Note: the original bug was already solved. The case where the output of the lv-snapshot creation is directed to a file on the volume being snapshotted is a mixed bag with the latest trusty tahr. The first time it went OK; the second time I used a single verbosity flag, and it hung: lvcreate -v -s -p r -L 700M -n oscopy /dev/mapper/ubuntu--vg-root 2/root/log (Tried both a few times, no -v no hang, at least one -v and it hangs.) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1096520 Title: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1096520] Re: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening
Additional note: on the console I get messages like: [ 601.586905] INFO: task lvcreateL1999 blocked for more than 120 seconds. [ 601.593195] Tainted: G W 3.12.0-7-generic #15-Ubuntu [ 601.593195] echo 0 /proc/sys/kernel/hung_task_timeout_secs disables this message. (3 times every 2 minutes) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1096520 Title: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1096520] Re: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening
pepa65, thank you for your comment. Given that as you noted in https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/comments/38 the original bug is solved, in order to eliminate scope creep, and focus on your problem quickly and efficiently, it would be best to close this report, and start fresh with a new bug report via a terminal, with the latest logs focused on the scoped problem: ubuntu-bug PACKAGE where PACKAGE is the affected Ubuntu package (may want to start with lvm2). Thank you for reporting this bug and helping make Ubuntu better. Feel free to report any future bugs you may find. Helpful bug reporting tips: https://wiki.ubuntu.com/ReportingBugs ** Changed in: linux (Ubuntu) Status: Incomplete = Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1096520 Title: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1096520] Re: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening
I don't think the status should be invalid. A workaround is provided, and there is an interaction with udev that causes it. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1096520 Title: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1096520] Re: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening
pepa65, thank you for your comments. Could you please confirm this issue exists with the latest development release of Ubuntu? ISO images are available from http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains, could you please run the following command in the development release from a Terminal (Applications-Accessories-Terminal), as it will automatically gather and attach updated debug information to this report: apport-collect -p linux replace-with-bug-number If reproducible, could you also please test the latest upstream kernel available (not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags: kernel-fixed-upstream kernel-fixed-upstream-VERSION-NUMBER where VERSION-NUMBER is the version number of the kernel you tested. For example: kernel-fixed-upstream-v3.13-rc6 This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag: needs-upstream-testing If the mainline kernel does not fix this bug, please add the following tags: kernel-bug-exists-upstream kernel-bug-exists-upstream-VERSION-NUMBER As well, please remove the tag: needs-upstream-testing Once testing of the upstream kernel is complete, please mark this bug's Status as Confirmed. Please let us know your results. Thank you for your understanding. ** Changed in: linux (Ubuntu) Status: Invalid = Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1096520 Title: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1096520] Re: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening
Sorry, the iso won't install. It's stuck at 98% CPU for over an hour at 'cryptsetup', which manually only takes a second... I don't even know if the installer uses the proper setup, and I don't see a way to do it with Something else. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1096520 Title: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1096520] Re: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening
pepa65, thank you for attempting to test Trusty. Would it be possible to test an earlier release via http://releases.ubuntu.com/ ? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1096520 Title: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1096520] Re: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening
pepa65, this bug report is being closed due to your last comments: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/comments/21 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/comments/32 regarding this being fixed with an update. For future reference you can manage the status of your own bugs by clicking on the current status in the yellow line and then choosing a new status in the revealed drop down box. You can learn more about bug statuses at https://wiki.ubuntu.com/Bugs/Status. Thank you again for taking the time to report this bug and helping to make Ubuntu better. Please submit any future bugs you may find. ** Tags removed: linux live lvcreate lvm2 root ** Tags added: bios-outdated-7.16 ** Changed in: linux (Ubuntu) Status: Triaged = Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1096520 Title: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1096520] Re: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening
This comment from Zdenek Kabelac 'closes' this bug report as far as I'm concerned: Hmm you are doing snapshot of 'root' filesystem - and there could be actually some problems with delivering of cookie since udev might get frozen. So folks, don't do: lvcreate -s ... /file/on/rootfs But instead do: out=$(lvcreate -s ... 21); echo $out /file/on/rootfs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1096520 Title: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1096520] Re: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening
Response from Zdenek Kabelac: 1. One-line summary lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening 2. Full description Root filesystem ext4 on lvm2 extent in luks-encrypted partition with mainline kernel 3.8-rc2. This is causing a hang: lvcreate -s -n oscopy -v -l 100%FREE /dev/secret/root 2/root/savefile See: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520 Attach full - trace. Hmm bugreport talks about 2.6.35 kernel. My first suspect would be the 'Debian way' of handling udev rules - handling differes from the upstream solution and must be tracked and fixed on Debian. 6. Script to replicate the problem lvcreate -s -n oscopy -v -l 100%FREE /dev/secret/root 2/root/savefile '-' Attach also 'changes' to udev rules from the upstream solution. Probably udevadm monitoring output would be also useful. Any cookies left unfinished 'dmsetup udevcookies' ? Zdenek -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1096520 Title: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1096520] Re: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening
I replied this back, I hope it doesn't have negative unintended consequences... I think this happens everywhere. I just did a Fedora 18-beta install (no cryptsetup, just default lvm2 setup), and this hangs: lvcreate -s -n oscopy - -l 100%FREE /dev/fedora/root 2savefile I don't know how to do all the things you say in your post, but is there a reference implementation where this can be proven to hang?? You could try it yourself -- I am happy to help, but I have been spending many hours filing this bug report, and I feel it's not getting anywhere. Should I demonstrate this on RHEL? Should I install the mainline kernel on Fedora? Which version?? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1096520 Title: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1096520] Re: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening
** Summary changed: - lvm2 hangs when creating snapshot of live root + lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1096520 Title: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1096520] Re: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening
** Description changed: On Lucid LTS 10.04.4 with package linux-image-2.6.32-45-generic-pae 2.6.32-45.101 (2.6.32.45.52), also happens on linux-image-2.6.35-32-generic-pae 2.6.35-32.68~lucid1 (2.6.35.14) Root filesystem ext4 (e2fslibs 1.41.11-1ubuntu2.1) on lvm2 2.02.54-1ubuntu4.1, vg resides on luks-encrypted partition (cryptsetup 2:1.1.0~rc2-1ubuntu13) - This might be a regression of bug 615911, 595489, 604807, 605551 - same symptoms: + This might be a regression of bug 615911, bug 595489, bug 604807, bug 605551 - same symptoms: after lvcreate -s -p r -L 3G -n oscopy /dev/secret/ubuntu the system becomes unresponsive at the root filesystem becomes inaccessible. The lv is never properly created, but on reboot there are some vestiges that cannot be mounted (/dev/secret/oscopy). - --- + --- AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23. Architecture: i386 ArecordDevices: - XOpenDisplay() failed - List of CAPTURE Hardware Devices - card 0: PCH [HDA Intel PCH], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog] -Subdevices: 1/1 -Subdevice #0: subdevice #0 + XOpenDisplay() failed + List of CAPTURE Hardware Devices + card 0: PCH [HDA Intel PCH], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog] + Subdevices: 1/1 + Subdevice #0: subdevice #0 AudioDevicesInUse: - USERPID ACCESS COMMAND - /dev/snd/controlC0: gdm1869 F pulseaudio + USERPID ACCESS COMMAND + /dev/snd/controlC0: gdm1869 F pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: - Card hw:0 'PCH'/'HDA Intel PCH at 0xfe70 irq 49' -Mixer name : 'Realtek ALC662 rev1' -Components : 'HDA:10ec0662,103c2ac2,00100101' -Controls : 21 -Simple ctrls : 13 + Card hw:0 'PCH'/'HDA Intel PCH at 0xfe70 irq 49' + Mixer name : 'Realtek ALC662 rev1' + Components : 'HDA:10ec0662,103c2ac2,00100101' + Controls : 21 + Simple ctrls : 13 Card1.Amixer.info: - Card hw:1 'Generic'/'HD-Audio Generic at 0xfe64 irq 50' -Mixer name : 'ATI R6xx HDMI' -Components : 'HDA:1002aa01,00aa0100,00100200' -Controls : 4 -Simple ctrls : 1 + Card hw:1 'Generic'/'HD-Audio Generic at 0xfe64 irq 50' + Mixer name : 'ATI R6xx HDMI' + Components : 'HDA:1002aa01,00aa0100,00100200' + Controls : 4 + Simple ctrls : 1 Card1.Amixer.values: - Simple mixer control 'IEC958',0 -Capabilities: pswitch pswitch-joined penum -Playback channels: Mono -Mono: Playback [off] + Simple mixer control 'IEC958',0 + Capabilities: pswitch pswitch-joined penum + Playback channels: Mono + Mono: Playback [off] DistroRelease: Ubuntu 10.04 HibernationDevice: RESUME=UUID=03a0c90e-c2e3-4eaf-bab1-3160a73be6c1 InstallationMedia: Ubuntu-Server 10.04.3 LTS Lucid Lynx - Release i386 (20110719.2) IwConfig: - lono wireless extensions. - - eth0 no wireless extensions. + lono wireless extensions. + + eth0 no wireless extensions. MachineType: Hewlett-Packard p7-1022l Package: linux (not installed) ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.35-32-generic-pae root=/dev/mapper/secret-ubuntu ro quiet ProcEnviron: - SHELL=/bin/bash - LANG=en_US.UTF-8 + SHELL=/bin/bash + LANG=en_US.UTF-8 ProcVersionSignature: Ubuntu 2.6.35-32.68~lucid1-generic-pae 2.6.35.14 Regression: Yes RelatedPackageVersions: linux-firmware 1.34.14 Reproducible: Yes RfKill: - + Tags: lucid regression-update needs-upstream-testing Uname: Linux 2.6.35-32-generic-pae i686 UserGroups: - + dmi.bios.date: 07/04/2011 dmi.bios.vendor: AMI dmi.bios.version: 7.11 dmi.board.name: 2AC2 dmi.board.vendor: PEGATRON CORPORATION dmi.board.version: 1.02A dmi.chassis.asset.tag: 4CE13108SV dmi.chassis.type: 3 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnAMI:bvr7.11:bd07/04/2011:svnHewlett-Packard:pnp7-1022l:pvr1.02A:rvnPEGATRONCORPORATION:rn2AC2:rvr1.02A:cvnHewlett-Packard:ct3:cvr: dmi.product.name: p7-1022l dmi.product.version: 1.02A dmi.sys.vendor: Hewlett-Packard -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1096520 Title: lvm2 hangs when creating snapshot of live root and IO to the root filesystem is happening To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
