Re: [mythtv-users] ALSA, intel8x0 and WriteAudio: buffer underrun
On 1/13/06, Al McIntosh [EMAIL PROTECTED] wrote: Michael Haan wrote: I'm currently having similar issues with hdtv.Can you try seeking to just before the freeze, then jumping ahead to pass it?For me, this results in no freeze, but a loss of sound. I thought I would replay to this thread with in case it helps. 1 of my 2sticks of ram was bad. I realized this whenI tried to compile mythtv svnand gcc crashed 3 times with segmentationfaults. After I removed the older stck of ram myth compiled twice cleanly. A memtest found errors in the ram also. I haven't had anyissues after removing the bad ram.Fingers crossed.___mythtv-users mailing list mythtv-users@mythtv.orghttp://mythtv.org/cgi-bin/mailman/listinfo/mythtv-usersThen it seems we are having different issues. I'm glad one of us is making progress. ___ mythtv-users mailing list mythtv-users@mythtv.org http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
Re: [mythtv-users] ALSA, intel8x0 and WriteAudio: buffer underrun
Michael Haan wrote: I'm currently having similar issues with hdtv. Can you try seeking to just before the freeze, then jumping ahead to pass it? For me, this results in no freeze, but a loss of sound. I thought I would replay to this thread with in case it helps. 1 of my 2 sticks of ram was bad. I realized this when I tried to compile mythtv svn and gcc crashed 3 times with segmentation faults. After I removed the older stck of ram myth compiled twice cleanly. A memtest found errors in the ram also. I haven't had any issues after removing the bad ram. Fingers crossed. ___ mythtv-users mailing list mythtv-users@mythtv.org http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
Re: [mythtv-users] ALSA, intel8x0 and WriteAudio: buffer underrun
Al McIntosh wrote: I have an AMD Sempron 2800+, MSI nForce4 K8N Neo3 with onboard nVidia Corporation CK804 AC'97 Audio Controller. I have been experiencing problems with mythfronted freezing during playback of recorded shows. I have to kill it but it becames defunct. I am using alsa 1.0.10 and myth 0.18.1 I believe it's the sound card because of the following mythfrontend output appears when the crash occurs: 006-01-07 14:27:19.240 prebuffering pause Sure it's not an I/O issue? Perhaps the buffer underrun on the audio was due to the lack of data caused by prebuffering pauses. Were you playing HDTV? Problem with your hard drives or network (if using a network filesystem or Myth streaming)? Mike ___ mythtv-users mailing list mythtv-users@mythtv.org http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
Re: [mythtv-users] ALSA, intel8x0 and WriteAudio: buffer underrun
Michael T. Dean wrote: Al McIntosh wrote: I have an AMD Sempron 2800+, MSI nForce4 K8N Neo3 with onboard nVidia Corporation CK804 AC'97 Audio Controller. I have been experiencing problems with mythfronted freezing during playback of recorded shows. I have to kill it but it becames defunct. I am using alsa 1.0.10 and myth 0.18.1 I believe it's the sound card because of the following mythfrontend output appears when the crash occurs: 006-01-07 14:27:19.240 prebuffering pause Sure it's not an I/O issue? Perhaps the buffer underrun on the audio was due to the lack of data caused by prebuffering pauses. Were you playing HDTV? Problem with your hard drives or network (if using a network filesystem or Myth streaming)? Not HDTV. The files are all on the local filesystem, on a 3 or 4 month old Maxtor 6L250R0, ATA DISK. I have not seen any evidence of drive failure. Not to say this is not the culpret. DMA is on. Yesterday, on my mythfrontend/backend/filserver machine, mythfrontend froze at 00:23:46 of a recording. I killed the frontend, it became defunct. I started another frontend, seeked ahead to 00:23:46 and the second mythfrontend froze and became defunct also. I went to another PC and started mythfrontend, seeked ahead to 00:23:46 and mythfrontend froze and became defunct. From the second PC I tried to play the file directly using mplayer via nfs and mplayer froze at 00:23:46. I had to kill mplayer which became defunct. After a reboot, I managed to play the file straight through. Not sure anyone can make sense of this call trace: Call Trace: Jan 7 14:24:03 nelson kernel: [c013b917] add_to_page_cache+0x41/0x83 Jan 7 14:24:03 nelson kernel: [c0179cd5] mpage_readpages+0xed/0x13e Jan 7 14:24:03 nelson kernel: [f88b9054] ext3_get_block+0x0/0x90 [ext3] Jan 7 14:24:03 nelson kernel: [c013f732] rmqueue_bulk+0x74/0x7e Jan 7 14:24:03 nelson kernel: [f88b9e2d] ext3_readpages+0x0/0x15 [ext3] Jan 7 14:24:03 nelson kernel: [c0141e6a] read_pages+0x2a/0xf7 Jan 7 14:24:03 nelson kernel: [f88b9054] ext3_get_block+0x0/0x90 [ext3] Jan 7 14:24:03 nelson kernel: [c013fd81] __alloc_pages+0xe8/0x407 Jan 7 14:24:03 nelson kernel: [c030a471] _spin_unlock_irq+0x5/0x7 Jan 7 14:24:03 nelson kernel: [c0142077] __do_page_cache_readahead+0x140/0x145 Jan 7 14:24:03 nelson kernel: [c014218f] blockable_page_cache_readahead+0x53/0xbc Jan 7 14:24:03 nelson kernel: [c0142253] make_ahead_window+0x5b/0x9a Jan 7 14:24:03 nelson kernel: [c0142317] page_cache_readahead+0x85/0x15f Jan 7 14:24:03 nelson kernel: [c013c204] do_generic_mapping_read+0x3be/0x44b Jan 7 14:24:03 nelson kernel: [c013c415] __generic_file_aio_read+0xaa/0x1f6 Jan 7 14:24:03 nelson kernel: [c013c291] file_read_actor+0x0/0xda Jan 7 14:24:03 nelson kernel: [c0116de0] activate_task+0x59/0x68 Jan 7 14:24:03 nelson kernel: [c013c59f] generic_file_aio_read+0x3e/0x4f Jan 7 14:24:03 nelson kernel: [c01584f2] do_sync_read+0xbf/0x11a Jan 7 14:24:03 nelson kernel: [c0130cc4] futex_requeue+0x142/0x2cb Jan 7 14:24:03 nelson kernel: [c012d9fe] autoremove_wake_function+0x0/0x37 Jan 7 14:24:03 nelson kernel: [c0158433] do_sync_read+0x0/0x11a Jan 7 14:24:03 nelson kernel: [c01585ed] vfs_read+0xa0/0x158 Jan 7 14:24:03 nelson kernel: [c015895a] sys_read+0x41/0x6a Jan 7 14:24:03 nelson kernel: [c0102ea1] syscall_call+0x7/0xb Jan 7 14:24:03 nelson kernel: Code: 84 85 db 74 30 83 03 01 8b 04 24 89 44 ab 04 0f a3 ab 04 01 00 00 19 c0 85 c0 75 68 0f a3 ab 0c 01 00 00 19 c0 31 c9 85 c0 74 b1 0f 0b 14 01 5c c7 32 c0 eb a7 8b 0c 24 8b 54 24 08 89 4a 08 31 Jan 7 14:24:03 nelson kernel: 0BUG: rwlock cpu recursion on CPU#0, kswapd0/189, d82de710 (Tainted: PF) Jan 7 14:24:03 nelson kernel: [c01d1b4e] _raw_write_lock+0x48/0x58 Jan 7 14:24:03 nelson kernel: [c0145cc1] shrink_list+0x190/0x480 Jan 7 14:24:03 nelson kernel: [c0144f0f] __pagevec_lru_add+0xab/0xba Jan 7 14:24:03 nelson kernel: [c0144dd2] __pagevec_release+0x15/0x1d Jan 7 14:24:03 nelson kernel: [c014615e] shrink_cache+0xe7/0x29a Jan 7 14:24:03 nelson kernel: [c0146781] shrink_zone+0x88/0xd6 Jan 7 14:24:03 nelson kernel: [c0146bc3] balance_pgdat+0x213/0x3d5 Jan 7 14:24:04 nelson kernel: [c0146e50] kswapd+0xcb/0x109 Jan 7 14:24:04 nelson kernel: [c012d9fe] autoremove_wake_function+0x0/0x37 Jan 7 14:24:04 nelson kernel: [c0146d85] kswapd+0x0/0x109 Jan 7 14:24:04 nelson kernel: [c0101301] kernel_thread_helper+0x5/0xb Jan 7 14:24:48 nelson lircd-0.8.0-CVS[6924]: removed client Jan 7 14:24:49 nelson kernel: audit(:0): major=252 name_count=0: freeing multiple contexts (1) ___ mythtv-users mailing list mythtv-users@mythtv.org http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
Re: [mythtv-users] ALSA, intel8x0 and WriteAudio: buffer underrun
On 1/8/06, Al McIntosh [EMAIL PROTECTED] wrote: Michael T. Dean wrote: Al McIntosh wrote: I have an AMD Sempron 2800+, MSI nForce4 K8N Neo3 with onboard nVidia Corporation CK804 AC'97 Audio Controller. I have been experiencing problems with mythfronted freezing during playback of recorded shows. I have to kill it but it becames defunct. I am using alsa 1.0.10 and myth 0.18.1 I believe it's the sound card because of the following mythfrontend output appears when the crash occurs: 006-01-07 14:27:19.240 prebuffering pause Sure it's not an I/O issue?Perhaps the buffer underrun on the audio was due to the lack of data caused by prebuffering pauses.Were you playing HDTV?Problem with your hard drives or network (if using a network filesystem or Myth streaming)?Not HDTV. The files are all on the local filesystem, on a 3 or 4 monthold Maxtor 6L250R0, ATA DISK. I have not seen any evidence of drive failure. Not to say this is notthe culpret.DMA is on.Yesterday, on my mythfrontend/backend/filserver machine, mythfrontendfroze at 00:23:46 of a recording. I killed the frontend, it became defunct. I started another frontend, seeked ahead to 00:23:46 and thesecond mythfrontend froze and became defunct also. I went to another PCand started mythfrontend, seeked ahead to 00:23:46 and mythfrontend froze and became defunct. From the second PC I tried to play the filedirectly using mplayer via nfs and mplayer froze at 00:23:46. I had tokill mplayer which became defunct. After a reboot, I managed to play the file straight through.Not sure anyone can make sense of this call trace:Call Trace:Jan7 14:24:03 nelson kernel:[c013b917] add_to_page_cache+0x41/0x83Jan7 14:24:03 nelson kernel:[c0179cd5] mpage_readpages+0xed/0x13e Jan7 14:24:03 nelson kernel:[f88b9054] ext3_get_block+0x0/0x90 [ext3]Jan7 14:24:03 nelson kernel:[c013f732] rmqueue_bulk+0x74/0x7eJan7 14:24:03 nelson kernel:[f88b9e2d] ext3_readpages+0x0/0x15 [ext3] Jan7 14:24:03 nelson kernel:[c0141e6a] read_pages+0x2a/0xf7Jan7 14:24:03 nelson kernel:[f88b9054] ext3_get_block+0x0/0x90 [ext3]Jan7 14:24:03 nelson kernel:[c013fd81] __alloc_pages+0xe8/0x407 Jan7 14:24:03 nelson kernel:[c030a471] _spin_unlock_irq+0x5/0x7Jan7 14:24:03 nelson kernel:[c0142077]__do_page_cache_readahead+0x140/0x145Jan7 14:24:03 nelson kernel:[c014218f] blockable_page_cache_readahead+0x53/0xbcJan7 14:24:03 nelson kernel:[c0142253] make_ahead_window+0x5b/0x9aJan7 14:24:03 nelson kernel:[c0142317] page_cache_readahead+0x85/0x15fJan7 14:24:03 nelson kernel:[c013c204] do_generic_mapping_read+0x3be/0x44bJan7 14:24:03 nelson kernel:[c013c415]__generic_file_aio_read+0xaa/0x1f6Jan7 14:24:03 nelson kernel:[c013c291] file_read_actor+0x0/0xdaJan7 14:24:03 nelson kernel:[c0116de0] activate_task+0x59/0x68 Jan7 14:24:03 nelson kernel:[c013c59f] generic_file_aio_read+0x3e/0x4fJan7 14:24:03 nelson kernel:[c01584f2] do_sync_read+0xbf/0x11aJan7 14:24:03 nelson kernel:[c0130cc4] futex_requeue+0x142/0x2cb Jan7 14:24:03 nelson kernel:[c012d9fe]autoremove_wake_function+0x0/0x37Jan7 14:24:03 nelson kernel:[c0158433] do_sync_read+0x0/0x11aJan7 14:24:03 nelson kernel:[c01585ed] vfs_read+0xa0/0x158 Jan7 14:24:03 nelson kernel:[c015895a] sys_read+0x41/0x6aJan7 14:24:03 nelson kernel:[c0102ea1] syscall_call+0x7/0xbJan7 14:24:03 nelson kernel: Code: 84 85 db 74 30 83 03 01 8b 04 24 89 44 ab 04 0f a3 ab 04 01 00 00 19 c0 85 c0 75 68 0f a3 ab 0c 01 00 00 19 c0 31 c9 85 c0 74 b1 0f 0b 14 01 5c c732 c0 eb a7 8b 0c 24 8b 54 24 08 89 4a 0831Jan7 14:24:03 nelson kernel:0BUG: rwlock cpu recursion on CPU#0, kswapd0/189, d82de710 (Tainted: PF)Jan7 14:24:03 nelson kernel:[c01d1b4e] _raw_write_lock+0x48/0x58Jan7 14:24:03 nelson kernel:[c0145cc1] shrink_list+0x190/0x480Jan7 14:24:03 nelson kernel:[c0144f0f] __pagevec_lru_add+0xab/0xba Jan7 14:24:03 nelson kernel:[c0144dd2] __pagevec_release+0x15/0x1dJan7 14:24:03 nelson kernel:[c014615e] shrink_cache+0xe7/0x29aJan7 14:24:03 nelson kernel:[c0146781] shrink_zone+0x88/0xd6 Jan7 14:24:03 nelson kernel:[c0146bc3] balance_pgdat+0x213/0x3d5Jan7 14:24:04 nelson kernel:[c0146e50] kswapd+0xcb/0x109Jan7 14:24:04 nelson kernel:[c012d9fe]autoremove_wake_function+0x0/0x37 Jan7 14:24:04 nelson kernel:[c0146d85] kswapd+0x0/0x109Jan7 14:24:04 nelson kernel:[c0101301] kernel_thread_helper+0x5/0xbJan7 14:24:48 nelson lircd-0.8.0-CVS[6924]: removed client Jan7 14:24:49 nelson kernel: audit(:0): major=252 name_count=0:freeing multiple contexts (1)___mythtv-users mailing list mythtv-users@mythtv.orghttp://mythtv.org/cgi-bin/mailman/listinfo/mythtv-usersI'm currently having similar issues with hdtv. Can you try seeking to just before the freeze, then jumping ahead to pass it? For me, this results in no freeze, but a loss of sound. ___ mythtv-users mailing list mythtv-users@mythtv.org http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
Re: [mythtv-users] ALSA, intel8x0 and WriteAudio: buffer underrun
Michael Haan wrote: On 1/8/06, *Al McIntosh* [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: Michael T. Dean wrote: Al McIntosh wrote: I have an AMD Sempron 2800+, MSI nForce4 K8N Neo3 with onboard nVidia Corporation CK804 AC'97 Audio Controller. I have been experiencing problems with mythfronted freezing during playback of recorded shows. I have to kill it but it becames defunct. I am using alsa 1.0.10 and myth 0.18.1 I believe it's the sound card because of the following mythfrontend output appears when the crash occurs: 006-01-07 14:27:19.240 prebuffering pause Sure it's not an I/O issue? Perhaps the buffer underrun on the audio was due to the lack of data caused by prebuffering pauses. Were you playing HDTV? Problem with your hard drives or network (if using a network filesystem or Myth streaming)? Not HDTV. The files are all on the local filesystem, on a 3 or 4 month old Maxtor 6L250R0, ATA DISK. I have not seen any evidence of drive failure. Not to say this is not the culpret. DMA is on. Yesterday, on my mythfrontend/backend/filserver machine, mythfrontend froze at 00:23:46 of a recording. I killed the frontend, it became defunct. I started another frontend, seeked ahead to 00:23:46 and the second mythfrontend froze and became defunct also. I went to another PC and started mythfrontend, seeked ahead to 00:23:46 and mythfrontend froze and became defunct. From the second PC I tried to play the file directly using mplayer via nfs and mplayer froze at 00:23:46. I had to kill mplayer which became defunct. After a reboot, I managed to play the file straight through. Not sure anyone can make sense of this call trace: Call Trace: Jan 7 14:24:03 nelson kernel: [c013b917] add_to_page_cache+0x41/0x83 Jan 7 14:24:03 nelson kernel: [c0179cd5] mpage_readpages+0xed/0x13e Jan 7 14:24:03 nelson kernel: [f88b9054] ext3_get_block+0x0/0x90 [ext3] Jan 7 14:24:03 nelson kernel: [c013f732] rmqueue_bulk+0x74/0x7e Jan 7 14:24:03 nelson kernel: [f88b9e2d] ext3_readpages+0x0/0x15 [ext3] Jan 7 14:24:03 nelson kernel: [c0141e6a] read_pages+0x2a/0xf7 Jan 7 14:24:03 nelson kernel: [f88b9054] ext3_get_block+0x0/0x90 [ext3] Jan 7 14:24:03 nelson kernel: [c013fd81] __alloc_pages+0xe8/0x407 Jan 7 14:24:03 nelson kernel: [c030a471] _spin_unlock_irq+0x5/0x7 Jan 7 14:24:03 nelson kernel: [c0142077] __do_page_cache_readahead+0x140/0x145 Jan 7 14:24:03 nelson kernel: [c014218f] blockable_page_cache_readahead+0x53/0xbc Jan 7 14:24:03 nelson kernel: [c0142253] make_ahead_window+0x5b/0x9a Jan 7 14:24:03 nelson kernel: [c0142317] page_cache_readahead+0x85/0x15f Jan 7 14:24:03 nelson kernel: [c013c204] do_generic_mapping_read+0x3be/0x44b Jan 7 14:24:03 nelson kernel: [c013c415] __generic_file_aio_read+0xaa/0x1f6 Jan 7 14:24:03 nelson kernel: [c013c291] file_read_actor+0x0/0xda Jan 7 14:24:03 nelson kernel: [c0116de0] activate_task+0x59/0x68 Jan 7 14:24:03 nelson kernel: [c013c59f] generic_file_aio_read+0x3e/0x4f Jan 7 14:24:03 nelson kernel: [c01584f2] do_sync_read+0xbf/0x11a Jan 7 14:24:03 nelson kernel: [c0130cc4] futex_requeue+0x142/0x2cb Jan 7 14:24:03 nelson kernel: [c012d9fe] autoremove_wake_function+0x0/0x37 Jan 7 14:24:03 nelson kernel: [c0158433] do_sync_read+0x0/0x11a Jan 7 14:24:03 nelson kernel: [c01585ed] vfs_read+0xa0/0x158 Jan 7 14:24:03 nelson kernel: [c015895a] sys_read+0x41/0x6a Jan 7 14:24:03 nelson kernel: [c0102ea1] syscall_call+0x7/0xb Jan 7 14:24:03 nelson kernel: Code: 84 85 db 74 30 83 03 01 8b 04 24 89 44 ab 04 0f a3 ab 04 01 00 00 19 c0 85 c0 75 68 0f a3 ab 0c 01 00 00 19 c0 31 c9 85 c0 74 b1 0f 0b 14 01 5c c7 32 c0 eb a7 8b 0c 24 8b 54 24 08 89 4a 08 31 Jan 7 14:24:03 nelson kernel: 0BUG: rwlock cpu recursion on CPU#0, kswapd0/189, d82de710 (Tainted: PF) Jan 7 14:24:03 nelson kernel: [c01d1b4e] _raw_write_lock+0x48/0x58 Jan 7 14:24:03 nelson kernel: [c0145cc1] shrink_list+0x190/0x480 Jan 7 14:24:03 nelson kernel: [c0144f0f] __pagevec_lru_add+0xab/0xba Jan 7 14:24:03 nelson kernel: [c0144dd2] __pagevec_release+0x15/0x1d Jan 7 14:24:03 nelson kernel: [c014615e] shrink_cache+0xe7/0x29a Jan 7 14:24:03 nelson kernel: [c0146781] shrink_zone+0x88/0xd6 Jan 7 14:24:03 nelson kernel: [c0146bc3] balance_pgdat+0x213/0x3d5 Jan 7 14:24:04 nelson kernel: [c0146e50] kswapd+0xcb/0x109 Jan 7 14:24:04 nelson kernel: [c012d9fe] autoremove_wake_function+0x0/0x37 Jan 7 14:24:04 nelson kernel: [c0146d85] kswapd+0x0/0x109 Jan 7 14:24:04 nelson kernel: [c0101301] kernel_thread_helper+0x5/0xb Jan 7
Re: [mythtv-users] ALSA, intel8x0 and WriteAudio: buffer underrun
Michael T. Dean wrote: Al McIntosh wrote: I have an AMD Sempron 2800+, MSI nForce4 K8N Neo3 with onboard nVidia Corporation CK804 AC'97 Audio Controller. I have been experiencing problems with mythfronted freezing during playback of recorded shows. I have to kill it but it becames defunct. I am using alsa 1.0.10 and myth 0.18.1 I believe it's the sound card because of the following mythfrontend output appears when the crash occurs: 006-01-07 14:27:19.240 prebuffering pause Sure it's not an I/O issue? Perhaps the buffer underrun on the audio was due to the lack of data caused by prebuffering pauses. Were you playing HDTV? Problem with your hard drives or network (if using a network filesystem or Myth streaming)? Mike ___ mythtv-users mailing list mythtv-users@mythtv.org http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users I wonder if this is also related? During recordings, my mythbackend becomes unusable everynow and then also. In my mythbackend logs during recordings I have seen: 2006-01-07 01:15:38.629 IOBOUND - blocking in ThreadedFileWriter::Write() Then in /var/log/messages I get ivtv0 warning: ENC Stream 0 OVERFLOW #0: Stealing a Buffer, 512 currently allocated My recording is hosed at this point. I have reboot the machine, everything becomes unresponsive. ___ mythtv-users mailing list mythtv-users@mythtv.org http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
