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[Bug 1535714] [NEW] i915 freeze

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1535714@xxxxxxxxxxxxxxxxxx>
Date: Fri, 05 Feb 2016 08:32:58 -0000
Reply-to: Bug 1535714 <1535714@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
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randomly system will freeze. Freeze in that screen will be blank and
system will not accept keyboard commands to change to a terminal or to
chagne the caps lock light.

Can ssh into the laptop while its  "frozen". The syslog/journal shows a
kenel stacktrace (below)

Seems more common after suspending.

don't recall it happening with 15.04. If it did start with 15.04 it
would of been with the latter kernels.

Seems similar to:
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1454868


### kenel crash log from logs ###

Jan 19 23:23:10 ath lightdm[6665]: pam_unix(lightdm:session): session closed for user bob
Jan 19 23:23:10 ath kernel: ------------[ cut here ]------------
Jan 19 23:23:10 ath kernel: WARNING: CPU: 2 PID: 6493 at /home/kernel/COD/linux/include/linux/kref.h:46 drm_framebuffer_reference+0x64/0x70 [d
Jan 19 23:23:10 ath kernel: Modules linked in: ctr ccm rfcomm xt_recent xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptab
Jan 19 23:23:10 ath kernel:  snd_hda_core memstick serio_raw snd_pcm_dmaengine snd_hwdep snd_pcm snd_seq_midi i2c_designware_platform snd_seq_
Jan 19 23:23:10 ath kernel:  ppdev lp parport autofs4 btrfs drbg ansi_cprng xts gf128mul algif_skcipher af_alg dm_crypt raid10 raid456 async_r
Jan 19 23:23:10 ath kernel: CPU: 2 PID: 6493 Comm: Xorg Not tainted 4.4.0-040400rc7-generic #201512272230
Jan 19 23:23:10 ath kernel: Hardware name: ASUSTeK COMPUTER INC. X200MA/X200MA, BIOS X200MA.302 01/21/2014
Jan 19 23:23:10 ath kernel:  0000000000000000 00000000d23b3796 ffff880019dc3948 ffffffff813c9124
Jan 19 23:23:10 ath kernel:  0000000000000000 ffff880019dc3980 ffffffff8107db92 ffff880035b446c0
Jan 19 23:23:10 ath kernel:  ffff88001834c300 ffff88001834c300 ffff88010b10ac00 ffff880035484000
Jan 19 23:23:10 ath kernel: Call Trace:
Jan 19 23:23:10 ath kernel:  [<ffffffff813c9124>] dump_stack+0x44/0x60
Jan 19 23:23:10 ath kernel:  [<ffffffff8107db92>] warn_slowpath_common+0x82/0xc0
Jan 19 23:23:10 ath kernel:  [<ffffffff8107dcda>] warn_slowpath_null+0x1a/0x20
Jan 19 23:23:10 ath kernel:  [<ffffffffc00d4704>] drm_framebuffer_reference+0x64/0x70 [drm]
Jan 19 23:23:10 ath kernel:  [<ffffffffc00e6a0d>] drm_atomic_set_fb_for_plane+0x2d/0x90 [drm]
Jan 19 23:23:10 ath kernel:  [<ffffffffc016bdde>] __drm_atomic_helper_set_config+0xde/0x3c0 [drm_kms_helper]
Jan 19 23:23:10 ath kernel:  [<ffffffffc016cd01>] restore_fbdev_mode+0x221/0x260 [drm_kms_helper]
Jan 19 23:23:10 ath kernel:  [<ffffffffc016ef13>] drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper]
Jan 19 23:23:10 ath kernel:  [<ffffffffc016ef8d>] drm_fb_helper_set_par+0x2d/0x50 [drm_kms_helper]
Jan 19 23:23:10 ath kernel:  [<ffffffffc024ecca>] intel_fbdev_set_par+0x1a/0x60 [i915]
Jan 19 23:23:10 ath kernel:  [<ffffffff8144bf06>] fb_set_var+0x236/0x460
Jan 19 23:23:10 ath kernel:  [<ffffffff810b4df4>] ? enqueue_task_fair+0xa4/0x8b0
Jan 19 23:23:10 ath kernel:  [<ffffffff8101fd59>] ? sched_clock+0x9/0x10
Jan 19 23:23:10 ath kernel:  [<ffffffff810ad9bf>] ? sched_clock_cpu+0x8f/0xa0
Jan 19 23:23:10 ath kernel:  [<ffffffff8144221f>] fbcon_blank+0x30f/0x350
Jan 19 23:23:10 ath kernel:  [<ffffffffc03b6b18>] ? set_extent_buffer_dirty+0x78/0xd0 [btrfs]
Jan 19 23:23:10 ath kernel:  [<ffffffff814d8e33>] do_unblank_screen+0xd3/0x1a0
Jan 19 23:23:10 ath kernel:  [<ffffffff814ce4fa>] vt_ioctl+0x50a/0x12f0
Jan 19 23:23:10 ath kernel:  [<ffffffff814c1aff>] tty_ioctl+0x35f/0xc30
Jan 19 23:23:10 ath kernel:  [<ffffffff811e5dc5>] ? kfree+0x115/0x130
Jan 19 23:23:10 ath kernel:  [<ffffffff8121ca73>] ? dput+0xb3/0x220
Jan 19 23:23:10 ath kernel:  [<ffffffff81226044>] ? mntput+0x24/0x40
Jan 19 23:23:10 ath kernel:  [<ffffffff812192a8>] do_vfs_ioctl+0x298/0x480
Jan 19 23:23:10 ath kernel:  [<ffffffff81207ade>] ? ____fput+0xe/0x10
Jan 19 23:23:10 ath kernel:  [<ffffffff8109b138>] ? task_work_run+0x78/0x90
Jan 19 23:23:10 ath kernel:  [<ffffffff81219509>] SyS_ioctl+0x79/0x90
Jan 19 23:23:10 ath kernel:  [<ffffffff817fcff6>] entry_SYSCALL_64_fastpath+0x16/0x75
Jan 19 23:23:10 ath kernel: ---[ end trace 65a51a25ba0b2f99 ]---
Jan 19 23:23:10 ath kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000060
Jan 19 23:23:10 ath kernel: IP: [<ffffffffc0245bbc>] intel_fb_obj_invalidate+0x1c/0xf0 [i915]
Jan 19 23:23:10 ath kernel: PGD 0 
Jan 19 23:23:10 ath kernel: Oops: 0000 [#1] SMP 
Jan 19 23:23:10 ath kernel: Modules linked in: ctr ccm rfcomm xt_recent xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptab
Jan 19 23:23:10 ath kernel:  snd_hda_core memstick serio_raw snd_pcm_dmaengine snd_hwdep snd_pcm snd_seq_midi i2c_designware_platform snd_seq_
Jan 19 23:23:10 ath kernel:  ppdev lp parport autofs4 btrfs drbg ansi_cprng xts gf128mul algif_skcipher af_alg dm_crypt raid10 raid456 async_r
Jan 19 23:23:10 ath kernel: CPU: 2 PID: 6493 Comm: Xorg Tainted: G        W       4.4.0-040400rc7-generic #201512272230
Jan 19 23:23:10 ath kernel: Hardware name: ASUSTeK COMPUTER INC. X200MA/X200MA, BIOS X200MA.302 01/21/2014
Jan 19 23:23:10 ath kernel: task: ffff88006797be80 ti: ffff880019dc0000 task.ti: ffff880019dc0000
Jan 19 23:23:10 ath kernel: RIP: 0010:[<ffffffffc0245bbc>]  [<ffffffffc0245bbc>] intel_fb_obj_invalidate+0x1c/0xf0 [i915]
Jan 19 23:23:10 ath kernel: RSP: 0018:ffff880019dc3a80  EFLAGS: 00010246
Jan 19 23:23:10 ath kernel: RAX: ffff88006797be80 RBX: ffff880110267500 RCX: 00000000000f7e8c
Jan 19 23:23:10 ath kernel: RDX: ffff880035b446c0 RSI: 0000000000000000 RDI: ffff880110267500
Jan 19 23:23:10 ath kernel: RBP: ffff880019dc3aa8 R08: 0000000000019d80 R09: ffffffffc00e4d46
Jan 19 23:23:10 ath kernel: R10: ffffea0002489500 R11: ffff8800b2d5b600 R12: 0000000000000000
Jan 19 23:23:10 ath kernel: R13: 0000000000000000 R14: 0000000000200001 R15: 0000000000000080
Jan 19 23:23:10 ath kernel: FS:  00007f17d8149980(0000) GS:ffff88013fd00000(0000) knlGS:0000000000000000
Jan 19 23:23:10 ath kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Jan 19 23:23:10 ath kernel: CR2: 0000000000000060 CR3: 000000011a128000 CR4: 00000000001006e0
Jan 19 23:23:10 ath kernel: Stack:
Jan 19 23:23:10 ath kernel:  ffff880035475e00 ffff88003532b000 0000000000000000 0000000000200001
Jan 19 23:23:10 ath kernel:  0000000000000080 ffff880019dc3ac8 ffffffffc024ecf3 000000000004aa1e
Jan 19 23:23:10 ath kernel:  ffff880019dc3c70 ffff880019dc3c40 ffffffff8144bf06 ffff88003532b060
Jan 19 23:23:10 ath kernel: Call Trace:
Jan 19 23:23:10 ath kernel:  [<ffffffffc024ecf3>] intel_fbdev_set_par+0x43/0x60 [i915]
Jan 19 23:23:10 ath kernel:  [<ffffffff8144bf06>] fb_set_var+0x236/0x460
Jan 19 23:23:10 ath kernel:  [<ffffffff810b4df4>] ? enqueue_task_fair+0xa4/0x8b0
Jan 19 23:23:10 ath kernel:  [<ffffffff8101fd59>] ? sched_clock+0x9/0x10
Jan 19 23:23:10 ath kernel:  [<ffffffff810ad9bf>] ? sched_clock_cpu+0x8f/0xa0
Jan 19 23:23:10 ath kernel:  [<ffffffff8144221f>] fbcon_blank+0x30f/0x350
Jan 19 23:23:10 ath kernel:  [<ffffffffc03b6b18>] ? set_extent_buffer_dirty+0x78/0xd0 [btrfs]
Jan 19 23:23:10 ath kernel:  [<ffffffff814d8e33>] do_unblank_screen+0xd3/0x1a0
Jan 19 23:23:10 ath kernel:  [<ffffffff814ce4fa>] vt_ioctl+0x50a/0x12f0
Jan 19 23:23:10 ath kernel:  [<ffffffff814c1aff>] tty_ioctl+0x35f/0xc30
Jan 19 23:23:10 ath kernel:  [<ffffffff811e5dc5>] ? kfree+0x115/0x130
Jan 19 23:23:10 ath kernel:  [<ffffffff8121ca73>] ? dput+0xb3/0x220
Jan 19 23:23:10 ath kernel:  [<ffffffff81226044>] ? mntput+0x24/0x40
Jan 19 23:23:10 ath kernel:  [<ffffffff812192a8>] do_vfs_ioctl+0x298/0x480
Jan 19 23:23:10 ath kernel:  [<ffffffff81207ade>] ? ____fput+0xe/0x10
Jan 19 23:23:10 ath kernel:  [<ffffffff8109b138>] ? task_work_run+0x78/0x90
Jan 19 23:23:10 ath kernel:  [<ffffffff81219509>] SyS_ioctl+0x79/0x90
Jan 19 23:23:10 ath kernel:  [<ffffffff817fcff6>] entry_SYSCALL_64_fastpath+0x16/0x75
Jan 19 23:23:10 ath kernel: Code: 41 5f 5d c3 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 41 89 f5 53 
Jan 19 23:23:10 ath kernel: RIP  [<ffffffffc0245bbc>] intel_fb_obj_invalidate+0x1c/0xf0 [i915]
Jan 19 23:23:10 ath kernel:  RSP <ffff880019dc3a80>
Jan 19 23:23:10 ath kernel: CR2: 0000000000000060
Jan 19 23:23:10 ath kernel: ---[ end trace 65a51a25ba0b2f9a ]---

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: xorg 1:7.7+7ubuntu4
Uname: Linux 4.4.0-040400rc7-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
Date: Tue Jan 19 23:32:16 2016
DistUpgraded: 2015-10-26 07:28:02,425 DEBUG enabling apt cron job
DistroCodename: wily
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GpuHangFrequency: Several times a week
GpuHangReproducibility: Seems to happen randomly
GpuHangStarted: Immediately after installing this version of Ubuntu
GraphicsCard:
 Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display [8086:0f31] (rev 0c) (prog-if 00 [VGA controller])
   Subsystem: ASUSTeK Computer Inc. Device [1043:15bd]
InstallationDate: Installed on 2014-07-31 (537 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: ASUSTeK COMPUTER INC. X200MA
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-040400rc7-generic root=UUID=5e8a8002-00f4-434f-a107-f6427d316379 ro rootflags=subvol=@ quiet splash zswap.enabled=1 nomdmonddf nomdmonisw nomdmonddf nomdmonisw vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: Upgraded to wily on 2015-10-25 (85 days ago)
dmi.bios.date: 01/21/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X200MA.302
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: X200MA
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX200MA.302:bd01/21/2014:svnASUSTeKCOMPUTERINC.:pnX200MA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX200MA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: X200MA
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
version.compiz: compiz 1:0.9.12.2+15.10.20151015-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.64-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.2-1ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.2-1ubuntu4
version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu9.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0+git20150819-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20150808-0ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
xserver.bootTime: Tue Jan 19 13:52:59 2016
xserver.configfile: default
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id                                4377 
 vendor                                     CMN
xserver.version: 2:1.17.2-1ubuntu9.1

** Affects: linux (Ubuntu)
     Importance: Low
         Status: Incomplete


** Tags: amd64 apport-bug bios-outdated-506 freeze ubuntu wily
-- 
i915 freeze
https://bugs.launchpad.net/bugs/1535714
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