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["B. Bogart" <thecrap@xxxxxxx>]

This bug was not reproducible using yesterday’s daily build of Vivid.

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https://bugs.launchpad.net/bugs/1449753

Title:
  Xorg soft lockup using google maps (street view) in firefox under
  Nouveau

Status in xorg package in Ubuntu:
  New

Bug description:
  I can cause an Xorg soft lockup simply by using google street view for
  a few minutes under firefox 37.0.2.

  Switched to Nouveau recently due to issues with NVIDIA proprietary
  driver for this GeForce 6600 AGP card.

  Following is the lockup trace from kern.log:

  Apr 28 11:31:59 insitu kernel: [  849.902770] nouveau  [Xorg[3892]] ib channel create, -22
  Apr 28 11:31:59 insitu kernel: [  849.998956] nouveau E[   PFIFO][0000:01:00.0] CACHE_ERROR - ch 3 [firefox[3757]] subc 0 mthd 0x0050 data 0x00000006
  Apr 28 11:31:59 insitu kernel: [  860.080030] BUG: soft lockup - CPU#0 stuck for 24s! [Socket Thread:3762]
  Apr 28 11:31:59 insitu kernel: [  860.080033] Modules linked in: cfg80211 cuse rfcomm bnep bluetooth binfmt_misc reiserfs dm_crypt snd_via82xx rc_winfast snd_via82xx_modem snd_mpu401_uart snd_ac97_codec gameport ac97_bus tuner_simple snd_pcm tuner_types snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi tda9887 tda8290 snd_seq tea5767 tuner snd_seq_device snd_timer amd64_edac_mod cx8800 snd edac_core serio_raw cx88xx btcx_risc edac_mce_amd k8temp tveeprom videobuf_dma_sg soundcore i2c_viapro rc_core v4l2_common videobuf_core videodev shpchp parport_pc ppdev visor usbserial mac_hid lp parport raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid0 multipath linear raid1 pata_acpi hid_generic usbhid hid nouveau mxm_wmi wmi video i2c_algo_bit ttm drm_kms_helper drm pata_via firewire_ohci sata_via skge sata_promise firewire_core floppy crc_itu_t
  Apr 28 11:31:59 insitu kernel: [  860.080048] CPU: 0 PID: 3762 Comm: Socket Thread Not tainted 3.13.0-49-generic #83-Ubuntu
  Apr 28 11:31:59 insitu kernel: [  860.080048] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./A8V Deluxe, BIOS 1018.002 08/16/2007
  Apr 28 11:31:59 insitu kernel: [  860.080048] task: ffff8800a9703000 ti: ffff8800a45f4000 task.ti: ffff8800a45f4000
  Apr 28 11:31:59 insitu kernel: [  860.080048] RIP: 0010:[<ffffffff813797c2>]  [<ffffffff813797c2>] ioread32+0x42/0x50
  Apr 28 11:31:59 insitu kernel: [  860.080048] RSP: 0018:ffff8800a45f5ab0  EFLAGS: 00000292
  Apr 28 11:31:59 insitu kernel: [  860.080048] RAX: 0000000000000005 RBX: ffff880124703000 RCX: 0000000000000036
  Apr 28 11:31:59 insitu kernel: [  860.080048] RDX: 000000000000e178 RSI: ffffc900007fe048 RDI: ffffc900007fe048
  Apr 28 11:31:59 insitu kernel: [  860.080048] RBP: ffff8800a45f5ab8 R08: 0000000000016260 R09: ffff88012b001b00
  Apr 28 11:31:59 insitu kernel: [  860.080048] R10: ffffffffa0187dce R11: ffff8801279a0210 R12: 00000000b0ac1540
  Apr 28 11:31:59 insitu kernel: [  860.080048] R13: ffffffff8164679f R14: ffff8800a45f5a50 R15: ffff8800b7e21200
  Apr 28 11:31:59 insitu kernel: [  860.080048] FS:  00007f95e70f0700(0000) GS:ffff88012fc00000(0000) knlGS:0000000000000000
  Apr 28 11:31:59 insitu kernel: [  860.080048] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Apr 28 11:31:59 insitu kernel: [  860.080048] CR2: 00007faaea457024 CR3: 00000000ab4c9000 CR4: 00000000000007f0
  Apr 28 11:31:59 insitu kernel: [  860.080048] Stack:
  Apr 28 11:31:59 insitu kernel: [  860.080048]  ffffffffa015b1e5 ffff8800a45f5ac8 ffffffffa018febf ffff8800a45f5b00
  Apr 28 11:31:59 insitu kernel: [  860.080048]  ffffffffa0187442 ffff88012839e000 0000000000000000 0000000000000000
  Apr 28 11:31:59 insitu kernel: [  860.080048]  ffff8800a9703000 0000000000000000 ffff8800a45f5b58 ffffffffa0187a85
  Apr 28 11:31:59 insitu kernel: [  860.080048] Call Trace:
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffffa015b1e5>] ? _nouveau_fifo_channel_rd32+0x15/0x20 [nouveau]
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffffa018febf>] nv10_fence_read+0x1f/0x30 [nouveau]
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffffa0187442>] nouveau_fence_update+0x62/0x90 [nouveau]
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffffa0187a85>] nouveau_fence_wait+0xc5/0x1a0 [nouveau]
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffffa0187df8>] ? nouveau_fence_new+0x68/0xb0 [nouveau]
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffffa018601d>] nouveau_channel_idle+0x6d/0x90 [nouveau]
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffffa018ec52>] nouveau_abi16_chan_fini.isra.2+0x32/0x1d0 [nouveau]
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffffa018effe>] nouveau_abi16_fini+0x3e/0x80 [nouveau]
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffffa01850a2>] nouveau_drm_preclose+0x42/0xa0 [nouveau]
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffffa006fad3>] drm_release+0x73/0x630 [drm]
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffff811bfb24>] __fput+0xe4/0x260
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffff811bfcee>] ____fput+0xe/0x10
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffff81088354>] task_work_run+0xc4/0xe0
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffff81069d48>] do_exit+0x2b8/0xa50
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffff8169452c>] ? inet_recvmsg+0x6c/0x80
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffff8160d5fa>] ? sock_recvmsg+0x9a/0xd0
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffff8106a55f>] do_group_exit+0x3f/0xa0
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffff8107a200>] get_signal_to_deliver+0x1d0/0x6f0
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffff81013458>] do_signal+0x48/0xa40
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffff8160d7a7>] ? SYSC_recvfrom+0x127/0x160
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffff810a02c5>] ? set_next_entity+0x95/0xb0
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffff8101260b>] ? __switch_to+0x16b/0x4d0
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffff81013eb9>] do_notify_resume+0x69/0xb0
  Apr 28 11:31:59 insitu kernel: [  860.080048]  [<ffffffff8172a1a2>] retint_signal+0x48/0x86

  Trying the daily build now...

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: xorg 1:7.7+1ubuntu8.1
  ProcVersionSignature: Ubuntu 3.13.0-49.83-generic 3.13.11-ckt17
  Uname: Linux 3.13.0-49-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.10
  Architecture: amd64
  CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
  CompositorRunning: None
  CurrentDesktop: XFCE
  Date: Tue Apr 28 14:09:35 2015
  DistUpgraded: 2014-12-31 22:27:02,135 DEBUG enabling apt cron job
  DistroCodename: trusty
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GpuHangFrequency: Several times a day
  GpuHangReproducibility: Yes, I can easily reproduce it
  GpuHangStarted: Since a couple weeks or more
  GraphicsCard:
   NVIDIA Corporation NV43 [GeForce 6600] [10de:00f2] (rev a2) (prog-if 00 [VGA controller])
     Subsystem: ASUSTeK Computer Inc. Device [1043:81b1]
  InstallationDate: Installed on 2010-11-05 (1635 days ago)
  InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  PlymouthDebug: Error: [Errno 13] Permission denied: '/var/log/plymouth-debug.log'
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-49-generic root=UUID=0ab4bde0-8376-4cbe-9bc0-af6c3a7936bd ro irqpoll=1 drm.debug=0xe plymouth:debug nomdmonddf nomdmonisw
  SourcePackage: xorg
  Symptom: display
  Title: Xorg freeze
  UpgradeStatus: Upgraded to trusty on 2015-01-01 (117 days ago)
  dmi.bios.date: 08/16/2007
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1018.002
  dmi.board.name: A8V Deluxe
  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.:bvr1018.002:bd08/16/2007:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASUSTeKComputerInc.:rnA8VDeluxe:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.
  version.compiz: compiz N/A
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.56-1~ubuntu2
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.3-0ubuntu0.4
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.3-0ubuntu0.4
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2.7
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1.4
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
  xserver.bootTime: Tue Apr 28 13:59:01 2015
  xserver.configfile: default
  xserver.errors:
   Failed to load module "nvidia" (module does not exist, 0)
   Failed to load module "nvidia" (module does not exist, 0)
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.15.1-0ubuntu2.7
  xserver.video_driver: nouveau

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