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[Bug 1495136] Re: System hard froze, kernel bug reported in syslog

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Chris Hermansen <1495136@xxxxxxxxxxxxxxxxxx>
Date: Fri, 18 Sep 2015 18:40:11 -0000
Reply-to: Bug 1495136 <1495136@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Christopher, good afternoon and thank you for your testing instructions.

Since the crash reported in this bug, I have not had another such
problem.  I cannot find similar error messages in the syslog file.

So I am wondering what to do.  I can certainly test the kernels as you
suggest, but since the problem does not regularly occur (6 days since
the last occurrence, computer under heavy and similar use all of those
days), I'm not sure what to do.

Any suggestions?

I won't be able to respond to comments until 20 Sep as I am
travelling...

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https://bugs.launchpad.net/bugs/1495136

Title:
  System hard froze, kernel bug reported in syslog

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  When I rebooted and looked in syslog, I saw this:

  Sep 12 15:05:41 avignon thermald[681]: Dropped below poll threshold
  Sep 12 15:05:41 avignon thermald[681]: thd_trip_cdev_state_reset
  Sep 12 15:05:41 avignon thermald[681]: thd_trip_cdev_state_reset
  Sep 12 15:05:41 avignon thermald[681]: thd_trip_cdev_state_reset index 0:Processor
  Sep 12 15:05:41 avignon thermald[681]: thd_trip_cdev_state_reset index 8:intel_powerclamp
  Sep 12 15:05:41 avignon thermald[681]: thd_trip_cdev_state_reset index 11:intel_pstate
  Sep 12 15:05:41 avignon thermald[681]: thd_trip_cdev_state_reset index 10:rapl_controller
  Sep 12 15:05:41 avignon thermald[681]: thd_trip_cdev_state_reset
  Sep 12 15:05:41 avignon thermald[681]: thd_trip_cdev_state_reset index 0:Processor
  Sep 12 15:05:41 avignon thermald[681]: thd_trip_cdev_state_reset index 8:intel_powerclamp
  Sep 12 15:05:41 avignon thermald[681]: thd_trip_cdev_state_reset index 11:intel_pstate
  Sep 12 15:05:41 avignon thermald[681]: thd_trip_cdev_state_reset index 10:rapl_controller
  Sep 12 15:05:41 avignon thermald[681]: Read set point 0
  Sep 12 15:05:57 avignon thermald[681]: Dropped below poll threshold
  Sep 12 15:05:57 avignon thermald[681]: thd_trip_cdev_state_reset
  Sep 12 15:05:57 avignon thermald[681]: thd_trip_cdev_state_reset
  Sep 12 15:05:57 avignon thermald[681]: thd_trip_cdev_state_reset index 0:Processor
  Sep 12 15:05:57 avignon thermald[681]: thd_trip_cdev_state_reset index 8:intel_powerclamp
  Sep 12 15:05:57 avignon thermald[681]: thd_trip_cdev_state_reset index 11:intel_pstate
  Sep 12 15:05:57 avignon thermald[681]: thd_trip_cdev_state_reset index 10:rapl_controller
  Sep 12 15:05:57 avignon thermald[681]: thd_trip_cdev_state_reset
  Sep 12 15:05:57 avignon thermald[681]: thd_trip_cdev_state_reset index 0:Processor
  Sep 12 15:05:57 avignon thermald[681]: thd_trip_cdev_state_reset index 8:intel_powerclamp
  Sep 12 15:05:57 avignon thermald[681]: thd_trip_cdev_state_reset index 11:intel_pstate
  Sep 12 15:05:57 avignon thermald[681]: thd_trip_cdev_state_reset index 10:rapl_controller
  Sep 12 15:05:58 avignon thermald[681]: Read set point 0
  Sep 12 15:17:01 avignon CRON[4827]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
  Sep 12 13:56:05 avignon org.freedesktop.Notifications[1391]: ** (notify-osd:1777): WARNING **: stack_close_notification_handler(): notification id == 0, likely wrong
  Sep 12 15:29:25 avignon org.freedesktop.Telepathy.AccountManager[1391]: (process:1830): GLib-GIO-WARNING **: netlink message was truncated; shouldn't happen...

  
  Followed immediately by this

  Sep 12 15:29:29 avignon kernel: [16233.486261] BUG: unable to handle kernel paging request at ffffffffffffffe0
  Sep 12 15:29:29 avignon kernel: [16233.486330] IP: [<ffffffffc076e95d>] i915_gem_object_move_to_inactive+0x7d/0x170 [i915]
  Sep 12 15:29:29 avignon kernel: [16233.486414] PGD 1c16067 PUD 1c18067 PMD 0
  Sep 12 15:29:29 avignon kernel: [16233.486453] Oops: 0000 [#1] SMP
  Sep 12 15:29:29 avignon kernel: [16233.486484] Modules linked in: hid_generic snd_usb_audio usbhid snd_usbmidi_lib hid snd_hda_codec_hdmi arc4 snd_hda_codec_via uvcvideo snd_hda_codec_generic iwldvm snd_hda_intel snd_hda_controller mac80211 videobuf2_vmalloc videobuf2_memops videobuf2_core snd_hda_codec snd_hwdep v4l2_common i915 videodev snd_pcm intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp media coretemp snd_seq_midi snd_seq_midi_event snd_rawmidi iwlwifi kvm_intel kvm snd_seq crct10dif_pclmul crc32_pclmul snd_seq_device ghash_clmulni_intel mei_me snd_timer cfg80211 drm_kms_helper drm aesni_intel snd mei rtsx_pci_ms memstick i2c_algo_bit aes_x86_64 lrw soundcore gf128mul glue_helper ablk_helper shpchp cryptd lpc_ich video joydev serio_raw tpm_infineon mac_hid wmi parport_pc ppdev lp parport autofs4 rtsx_pci_sdmmc psmouse ahci r8169 rtsx_pci libahci mii
  Sep 12 15:29:29 avignon kernel: [16233.487171] CPU: 1 PID: 1058 Comm: Xorg Not tainted 3.19.0-29-generic #31-Ubuntu
  Sep 12 15:29:29 avignon kernel: [16233.487223] Hardware name: System76, Inc. Gazelle Professional/Gazelle Professional, BIOS 4.6.5 09/27/2012
  Sep 12 15:29:29 avignon kernel: [16233.487284] task: ffff880214b989d0 ti: ffff88020485c000 task.ti: ffff88020485c000
  Sep 12 15:29:29 avignon kernel: [16233.487331] RIP: 0010:[<ffffffffc076e95d>]  [<ffffffffc076e95d>] i915_gem_object_move_to_inactive+0x7d/0x170 [i915]
  Sep 12 15:29:29 avignon kernel: [16233.487424] RSP: 0018:ffff88020485fb88  EFLAGS: 00010286
  Sep 12 15:29:29 avignon kernel: [16233.487459] RAX: 0000000000000000 RBX: ffff8800d4e31918 RCX: ffff8800d4e37c98
  Sep 12 15:29:29 avignon kernel: [16233.487503] RDX: ffffffffffffff90 RSI: ffff8801f3123700 RDI: ffff8801f3123640
  Sep 12 15:29:29 avignon kernel: [16233.487547] RBP: ffff88020485fb98 R08: ffff8800847f5560 R09: ffff8800d4e37d88
  Sep 12 15:29:29 avignon kernel: [16233.487591] R10: ffff8800d4e37c88 R11: 0000000000000009 R12: ffff8800d4e31a48
  Sep 12 15:29:29 avignon kernel: [16233.487635] R13: ffff88020485fd25 R14: 00000000000de363 R15: ffff88020485fdf0
  Sep 12 15:29:29 avignon kernel: [16233.487681] FS:  00007fe8dc988980(0000) GS:ffff88021f240000(0000) knlGS:0000000000000000
  Sep 12 15:29:29 avignon kernel: [16233.487730] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Sep 12 15:29:29 avignon kernel: [16233.487767] CR2: ffffffffffffffe0 CR3: 000000021448b000 CR4: 00000000001407e0
  Sep 12 15:29:29 avignon kernel: [16233.487811] Stack:
  Sep 12 15:29:29 avignon kernel: [16233.487826]  ffff88020485fbb8 ffff8800d4e31918 ffff88020485fbe8 ffffffffc0770175
  Sep 12 15:29:29 avignon kernel: [16233.487883]  ffff8800d4e31a58 ffff8801f3074e40 ffff88020485fc48 0000000000000007
  Sep 12 15:29:29 avignon kernel: [16233.487939]  ffff8801f3074e40 ffff88020485fd25 0000000000000000 ffff88020485fdf0
  Sep 12 15:29:29 avignon kernel: [16233.487995] Call Trace:
  Sep 12 15:29:29 avignon kernel: [16233.488038]  [<ffffffffc0770175>] i915_gem_retire_requests_ring+0x55/0x150 [i915]
  Sep 12 15:29:29 avignon kernel: [16233.488104]  [<ffffffffc0766dad>] i915_gem_execbuffer_reserve+0x2d/0x360 [i915]
  Sep 12 15:29:29 avignon kernel: [16233.488168]  [<ffffffffc07680ae>] i915_gem_do_execbuffer.isra.22+0x4ee/0xd00 [i915]
  Sep 12 15:29:29 avignon kernel: [16233.488235]  [<ffffffffc07699e9>] i915_gem_execbuffer2+0xb9/0x2b0 [i915]
  Sep 12 15:29:29 avignon kernel: [16233.488297]  [<ffffffffc058ea6f>] drm_ioctl+0x1df/0x680 [drm]
  Sep 12 15:29:29 avignon kernel: [16233.488343]  [<ffffffff810e030c>] ? __hrtimer_start_range_ns+0x2dc/0x410
  Sep 12 15:29:29 avignon kernel: [16233.488388]  [<ffffffff812096a0>] do_vfs_ioctl+0x2e0/0x4e0
  Sep 12 15:29:29 avignon kernel: [16233.488429]  [<ffffffff816a6875>] ? __sys_recvmsg+0x65/0x80
  Sep 12 15:29:29 avignon kernel: [16233.488467]  [<ffffffff81209921>] SyS_ioctl+0x81/0xa0
  Sep 12 15:29:29 avignon kernel: [16233.488504]  [<ffffffff817cbe4d>] system_call_fastpath+0x16/0x1b
  Sep 12 15:29:29 avignon kernel: [16233.488543] Code: 74 7f 0f 1f 40 00 48 8b 87 c0 00 00 00 48 39 c6 48 8d 50 90 75 15 eb 56 66 0f 1f 44 00 00 48 8b 42 70 48 39 c6 48 8d 50 90 74 43 <48> 3b 48 e0 75 ed 48 85 d2 74 38 4c 8b 42 60 48 8d 42 60 4c 39
  Sep 12 15:29:29 avignon kernel: [16233.488871] RIP  [<ffffffffc076e95d>] i915_gem_object_move_to_inactive+0x7d/0x170 [i915]
  Sep 12 15:29:29 avignon kernel: [16233.488942]  RSP <ffff88020485fb88>
  Sep 12 15:29:29 avignon kernel: [16233.488965] CR2: ffffffffffffffe0
  Sep 12 15:29:29 avignon kernel: [16233.504411] ---[ end trace 04d6b0a7ca9ca253 ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-29-generic 3.19.0-29.31
  ProcVersionSignature: Ubuntu 3.19.0-29.31-generic 3.19.8-ckt6
  Uname: Linux 3.19.0-29-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  clh        1525 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sat Sep 12 15:40:26 2015
  HibernationDevice: RESUME=UUID=565c18a7-550a-460e-b8ae-6e2b5b2553a6
  InstallationDate: Installed on 2015-03-29 (166 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150325)
  MachineType: System76, Inc. Gazelle Professional
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-29-generic root=UUID=ff5bcd5d-b5e2-426d-a259-82e1bb05f47c ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-29-generic N/A
   linux-backports-modules-3.19.0-29-generic  N/A
   linux-firmware                             1.143.3
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/27/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 4.6.5
  dmi.board.asset.tag: Tag 12345
  dmi.board.name: Gazelle Professional
  dmi.board.vendor: System76, Inc.
  dmi.board.version: gazp8
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: No Enclosure
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd09/27/2012:svnSystem76,Inc.:pnGazelleProfessional:pvrgazp8:rvnSystem76,Inc.:rnGazelleProfessional:rvrgazp8:cvnNoEnclosure:ct9:cvrN/A:
  dmi.product.name: Gazelle Professional
  dmi.product.version: gazp8
  dmi.sys.vendor: System76, Inc.

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References

[Bug 1495136] [NEW] System hard froze, kernel bug reported in syslog
From: Chris Hermansen, 2015-09-12