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[Bug 1451009] Re: kernel problems; cx23885 hangs

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: kex <1451009@xxxxxxxxxxxxxxxxxx>
Date: Sat, 02 May 2015 10:55:04 -0000
Reply-to: Bug 1451009 <1451009@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
another two excerpts from syslog

May  1 13:56:47 xpc kernel: [85171.089467] INFO: task section handler:2730 blocked for more than 120 seconds.
May  1 13:56:47 xpc kernel: [85171.089470]       Tainted: G           OE  3.19.0-15-generic #15-Ubuntu
May  1 13:56:47 xpc kernel: [85171.089471] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
May  1 13:56:47 xpc kernel: [85171.089472] section handler D ffff8800b31c7c08     0  2730   2590 0x00000000
May  1 13:56:47 xpc kernel: [85171.089475]  ffff8800b31c7c08 ffff8801b5ee3ae0 0000000000014200 ffff8800b31c7fd8
May  1 13:56:47 xpc kernel: [85171.089477]  0000000000014200 ffff8801b8278000 ffff8801b5ee3ae0 ffff8800b31c7be8
May  1 13:56:47 xpc kernel: [85171.089478]  ffff8801400bbf10 7fffffffffffffff ffff8801400bbf08 ffff8801b5ee3ae0
May  1 13:56:47 xpc kernel: [85171.089480] Call Trace:
May  1 13:56:47 xpc kernel: [85171.089486]  [<ffffffff817c49c9>] schedule+0x29/0x70
May  1 13:56:47 xpc kernel: [85171.089489]  [<ffffffff817c7fac>] schedule_timeout+0x20c/0x280
May  1 13:56:47 xpc kernel: [85171.089494]  [<ffffffff811811a7>] ? __free_pages+0x27/0x30
May  1 13:56:47 xpc kernel: [85171.089496]  [<ffffffff811811f0>] ? free_pages.part.67+0x40/0x50
May  1 13:56:47 xpc kernel: [85171.089497]  [<ffffffff81181213>] ? free_pages+0x13/0x20
May  1 13:56:47 xpc kernel: [85171.089499]  [<ffffffff817c6384>] wait_for_completion+0xa4/0x170
May  1 13:56:47 xpc kernel: [85171.089502]  [<ffffffff810a1dd0>] ? wake_up_state+0x20/0x20
May  1 13:56:47 xpc kernel: [85171.089505]  [<ffffffff810949d3>] kthread_stop+0x53/0x100
May  1 13:56:47 xpc kernel: [85171.089517]  [<ffffffffc06d1aa4>] vb2_thread_stop+0x64/0xd0 [videobuf2_core]
May  1 13:56:47 xpc kernel: [85171.089519]  [<ffffffffc077113e>] vb2_dvb_stop_feed+0x4e/0x70 [videobuf2_dvb]
May  1 13:56:47 xpc kernel: [85171.089524]  [<ffffffffc07156ab>] dmx_section_feed_stop_filtering+0x4b/0xe0 [dvb_core]
May  1 13:56:47 xpc kernel: [85171.089527]  [<ffffffffc0712b5b>] dvb_dmxdev_feed_stop+0xeb/0x100 [dvb_core]
May  1 13:56:47 xpc kernel: [85171.089530]  [<ffffffffc0712d5c>] dvb_dmxdev_filter_stop+0x9c/0xe0 [dvb_core]
May  1 13:56:47 xpc kernel: [85171.089533]  [<ffffffffc0713248>] dvb_demux_release+0x48/0x260 [dvb_core]
May  1 13:56:47 xpc kernel: [85171.089537]  [<ffffffff811f4f97>] __fput+0xe7/0x250
May  1 13:56:47 xpc kernel: [85171.089539]  [<ffffffff811f514e>] ____fput+0xe/0x10
May  1 13:56:47 xpc kernel: [85171.089541]  [<ffffffff81092d24>] task_work_run+0xd4/0xf0
May  1 13:56:47 xpc kernel: [85171.089544]  [<ffffffff81014ff7>] do_notify_resume+0x97/0xb0
May  1 13:56:47 xpc kernel: [85171.089546]  [<ffffffff817c95ef>] int_signal+0x12/0x17

May  1 13:58:47 xpc kernel: [85291.048580] INFO: task section handler:2730 blocked for more than 120 seconds.
May  1 13:58:47 xpc kernel: [85291.048584]       Tainted: G           OE  3.19.0-15-generic #15-Ubuntu
May  1 13:58:47 xpc kernel: [85291.048585] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
May  1 13:58:47 xpc kernel: [85291.048586] section handler D ffff8800b31c7c08     0  2730   2590 0x00000000
May  1 13:58:47 xpc kernel: [85291.048589]  ffff8800b31c7c08 ffff8801b5ee3ae0 0000000000014200 ffff8800b31c7fd8
May  1 13:58:47 xpc kernel: [85291.048590]  0000000000014200 ffff8801b8278000 ffff8801b5ee3ae0 ffff8800b31c7be8
May  1 13:58:47 xpc kernel: [85291.048592]  ffff8801400bbf10 7fffffffffffffff ffff8801400bbf08 ffff8801b5ee3ae0
May  1 13:58:47 xpc kernel: [85291.048593] Call Trace:
May  1 13:58:47 xpc kernel: [85291.048599]  [<ffffffff817c49c9>] schedule+0x29/0x70
May  1 13:58:47 xpc kernel: [85291.048601]  [<ffffffff817c7fac>] schedule_timeout+0x20c/0x280
May  1 13:58:47 xpc kernel: [85291.048605]  [<ffffffff811811a7>] ? __free_pages+0x27/0x30
May  1 13:58:47 xpc kernel: [85291.048607]  [<ffffffff811811f0>] ? free_pages.part.67+0x40/0x50
May  1 13:58:47 xpc kernel: [85291.048608]  [<ffffffff81181213>] ? free_pages+0x13/0x20
May  1 13:58:47 xpc kernel: [85291.048610]  [<ffffffff817c6384>] wait_for_completion+0xa4/0x170
May  1 13:58:47 xpc kernel: [85291.048612]  [<ffffffff810a1dd0>] ? wake_up_state+0x20/0x20
May  1 13:58:47 xpc kernel: [85291.048615]  [<ffffffff810949d3>] kthread_stop+0x53/0x100
May  1 13:58:47 xpc kernel: [85291.048627]  [<ffffffffc06d1aa4>] vb2_thread_stop+0x64/0xd0 [videobuf2_core]
May  1 13:58:47 xpc kernel: [85291.048629]  [<ffffffffc077113e>] vb2_dvb_stop_feed+0x4e/0x70 [videobuf2_dvb]
May  1 13:58:47 xpc kernel: [85291.048634]  [<ffffffffc07156ab>] dmx_section_feed_stop_filtering+0x4b/0xe0 [dvb_core]
May  1 13:58:47 xpc kernel: [85291.048637]  [<ffffffffc0712b5b>] dvb_dmxdev_feed_stop+0xeb/0x100 [dvb_core]
May  1 13:58:47 xpc kernel: [85291.048640]  [<ffffffffc0712d5c>] dvb_dmxdev_filter_stop+0x9c/0xe0 [dvb_core]
May  1 13:58:47 xpc kernel: [85291.048642]  [<ffffffffc0713248>] dvb_demux_release+0x48/0x260 [dvb_core]
May  1 13:58:47 xpc kernel: [85291.048646]  [<ffffffff811f4f97>] __fput+0xe7/0x250
May  1 13:58:47 xpc kernel: [85291.048647]  [<ffffffff811f514e>] ____fput+0xe/0x10
May  1 13:58:47 xpc kernel: [85291.048649]  [<ffffffff81092d24>] task_work_run+0xd4/0xf0
May  1 13:58:47 xpc kernel: [85291.048652]  [<ffffffff81014ff7>] do_notify_resume+0x97/0xb0
May  1 13:58:47 xpc kernel: [85291.048654]  [<ffffffff817c95ef>] int_signal+0x12/0x17

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https://bugs.launchpad.net/bugs/1451009

Title:
  kernel problems; cx23885 hangs

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  
  After a few hours, cx23885 card hangs (linux-image-generic drivers, firmware from the openelec site).  It zombifies vdr and then later prevents the system from shutting down RAID cleanly.

  May  1 13:14:47 xpc kernel: [82651.948000] INFO: task systemd-udevd:414 blocked for more than 120 seconds.
  May  1 13:14:47 xpc kernel: [82651.948003]       Tainted: G           OE  3.19.0-15-generic #15-Ubuntu
  May  1 13:14:47 xpc kernel: [82651.948004] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  May  1 13:14:47 xpc kernel: [82651.948005] systemd-udevd   D ffff8801b4667ac8     0   414      1 0x00000000
  May  1 13:14:47 xpc kernel: [82651.948008]  ffff8801b4667ac8 ffff8800b26c44b0 0000000000014200 ffff8801b4667fd8
  May  1 13:14:47 xpc kernel: [82651.948009]  0000000000014200 ffff8801b8278000 ffff8800b26c44b0 0000000000800060
  May  1 13:14:47 xpc kernel: [82651.948011]  ffff8801b77289d8 ffff8801b77289dc ffff8800b26c44b0 00000000ffffffff
  May  1 13:14:47 xpc kernel: [82651.948013] Call Trace:
  May  1 13:14:47 xpc kernel: [82651.948019]  [<ffffffff817c4f19>] schedule_preempt_disabled+0x29/0x70
  May  1 13:14:47 xpc kernel: [82651.948021]  [<ffffffff817c6dd5>] __mutex_lock_slowpath+0x95/0x100
  May  1 13:14:47 xpc kernel: [82651.948023]  [<ffffffff817c6e63>] mutex_lock+0x23/0x40
  May  1 13:14:47 xpc kernel: [82651.948026]  [<ffffffff8122d1d3>] __blkdev_get+0x63/0x490
  May  1 13:14:47 xpc kernel: [82651.948028]  [<ffffffff8122d641>] blkdev_get+0x41/0x390
  May  1 13:14:47 xpc kernel: [82651.948030]  [<ffffffff8122d9f0>] ? blkdev_get_by_dev+0x60/0x60
  May  1 13:14:47 xpc kernel: [82651.948032]  [<ffffffff8122da4f>] blkdev_open+0x5f/0x90
  May  1 13:14:47 xpc kernel: [82651.948035]  [<ffffffff811f0932>] do_dentry_open+0x1d2/0x330
  May  1 13:14:47 xpc kernel: [82651.948036]  [<ffffffff811f0bf9>] vfs_open+0x49/0x50
  May  1 13:14:47 xpc kernel: [82651.948039]  [<ffffffff812016c7>] do_last+0x227/0x12c0
  May  1 13:14:47 xpc kernel: [82651.948042]  [<ffffffff81203d68>] path_openat+0x88/0x610
  May  1 13:14:47 xpc kernel: [82651.948044]  [<ffffffff811a68fc>] ? tlb_finish_mmu+0x1c/0x50
  May  1 13:14:47 xpc kernel: [82651.948046]  [<ffffffff8120550a>] do_filp_open+0x3a/0xb0
  May  1 13:14:47 xpc kernel: [82651.948048]  [<ffffffff812122f7>] ? __alloc_fd+0xa7/0x130
  May  1 13:14:47 xpc kernel: [82651.948050]  [<ffffffff811f254a>] do_sys_open+0x12a/0x280
  May  1 13:14:47 xpc kernel: [82651.948052]  [<ffffffff811f26be>] SyS_open+0x1e/0x20
  May  1 13:14:47 xpc kernel: [82651.948055]  [<ffffffff817c934d>] system_call_fastpath+0x16/0x1b

  and for the other frontend of my DVBSly T980C a couple of minutes
  later:

  May  1 13:16:47 xpc kernel: [82771.907123] INFO: task systemd-udevd:414 blocked for more than 120 seconds.
  May  1 13:16:47 xpc kernel: [82771.907126]       Tainted: G           OE  3.19.0-15-generic #15-Ubuntu
  May  1 13:16:47 xpc kernel: [82771.907127] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  May  1 13:16:47 xpc kernel: [82771.907128] systemd-udevd   D ffff8801b4667ac8     0   414      1 0x00000000
  May  1 13:16:47 xpc kernel: [82771.907131]  ffff8801b4667ac8 ffff8800b26c44b0 0000000000014200 ffff8801b4667fd8
  May  1 13:16:47 xpc kernel: [82771.907133]  0000000000014200 ffff8801b8278000 ffff8800b26c44b0 0000000000800060
  May  1 13:16:47 xpc kernel: [82771.907134]  ffff8801b77289d8 ffff8801b77289dc ffff8800b26c44b0 00000000ffffffff
  May  1 13:16:47 xpc kernel: [82771.907136] Call Trace:
  May  1 13:16:47 xpc kernel: [82771.907142]  [<ffffffff817c4f19>] schedule_preempt_disabled+0x29/0x70
  May  1 13:16:47 xpc kernel: [82771.907144]  [<ffffffff817c6dd5>] __mutex_lock_slowpath+0x95/0x100
  May  1 13:16:47 xpc kernel: [82771.907146]  [<ffffffff817c6e63>] mutex_lock+0x23/0x40
  May  1 13:16:47 xpc kernel: [82771.907149]  [<ffffffff8122d1d3>] __blkdev_get+0x63/0x490
  May  1 13:16:47 xpc kernel: [82771.907151]  [<ffffffff8122d641>] blkdev_get+0x41/0x390
  May  1 13:16:47 xpc kernel: [82771.907153]  [<ffffffff8122d9f0>] ? blkdev_get_by_dev+0x60/0x60
  May  1 13:16:47 xpc kernel: [82771.907154]  [<ffffffff8122da4f>] blkdev_open+0x5f/0x90
  May  1 13:16:47 xpc kernel: [82771.907158]  [<ffffffff811f0932>] do_dentry_open+0x1d2/0x330
  May  1 13:16:47 xpc kernel: [82771.907159]  [<ffffffff811f0bf9>] vfs_open+0x49/0x50
  May  1 13:16:47 xpc kernel: [82771.907162]  [<ffffffff812016c7>] do_last+0x227/0x12c0
  May  1 13:16:47 xpc kernel: [82771.907164]  [<ffffffff81203d68>] path_openat+0x88/0x610
  May  1 13:16:47 xpc kernel: [82771.907167]  [<ffffffff811a68fc>] ? tlb_finish_mmu+0x1c/0x50
  May  1 13:16:47 xpc kernel: [82771.907169]  [<ffffffff8120550a>] do_filp_open+0x3a/0xb0
  May  1 13:16:47 xpc kernel: [82771.907171]  [<ffffffff812122f7>] ? __alloc_fd+0xa7/0x130
  May  1 13:16:47 xpc kernel: [82771.907172]  [<ffffffff811f254a>] do_sys_open+0x12a/0x280
  May  1 13:16:47 xpc kernel: [82771.907174]  [<ffffffff811f26be>] SyS_open+0x1e/0x20
  May  1 13:16:47 xpc kernel: [82771.907176]  [<ffffffff817c934d>] system_call_fastpath+0x16/0x1b

  lsb_release -rd
  Description:	Ubuntu 15.04
  Release:	15.04

  kex@xpc:~$ apt-cache policy linux-image-extra-3.19.0-15-generic
  linux-image-extra-3.19.0-15-generic:
    Asennettu: 3.19.0-15.15
    Ehdokas:   3.19.0-15.15
    Versiotaulukko:
   *** 3.19.0-15.15 0
          500 http://fi.archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages
          100 /var/lib/dpkg/status

  kex@xpc:~$ apt-cache policy linux-image-generic
  linux-image-generic:
    Asennettu: 3.19.0.15.14
    Ehdokas:   3.19.0.15.14
    Versiotaulukko:
   *** 3.19.0.15.14 0
          500 http://fi.archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages
          100 /var/lib/dpkg/status
  kex@xpc:~$

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-generic 3.19.0.15.14
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  kex        2431 F.... pulseaudio
   /dev/snd/controlC0:  kex        2431 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sat May  2 13:42:04 2015
  HibernationDevice: RESUME=UUID=36e8bbe2-fb57-4154-aeaf-f5a4f3d1b467
  InstallationDate: Installed on 2012-12-22 (860 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  IwConfig:
   eth1      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: ASUS All Series
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-15-generic root=UUID=a21f1300-e2a3-44c9-a667-86fc6184627b ro nomdmonddf nomdmonisw nomdmonddf nomdmonisw nomdmonddf nomdmonisw nomdmonddf nomdmonisw nomdmonddf nomdmonisw nomdmonddf nomdmonisw
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-15-generic N/A
   linux-backports-modules-3.19.0-15-generic  N/A
   linux-firmware                             1.143
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: Upgraded to vivid on 2015-04-23 (8 days ago)
  dmi.bios.date: 08/15/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1603
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: MAXIMUS VI EXTREME
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1603:bd08/15/2014:svnASUS:pnAllSeries:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnMAXIMUSVIEXTREME:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: All Series
  dmi.product.version: System Version
  dmi.sys.vendor: ASUS

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References

[Bug 1451009] [NEW] kernel problems; cx23885 hangs
From: kex, 2015-05-02