I don't know if this is related, but my syslog is full of messages like this:
Oct 28 12:08:46 gondor kernel: [ 3.426755] ------------[ cut here ]------------ Oct 28 12:08:46 gondor kernel: [ 3.426766] WARNING: CPU: 1 PID: 192 at /build/linux-AxjFAn/linux-4.2.0/drivers/gpu/drm/i915/intel_display.c:12326 check_crtc_state+0x2c5/0x440 [i915]() Oct 28 12:08:46 gondor kernel: [ 3.426767] pipe state doesn't match! Oct 28 12:08:46 gondor kernel: [ 3.426768] Modules linked in: rtsx_usb_sdmmc rtsx_usb hid_generic hid_logitech_hidpp hid_logitech_dj usbhid i915 i2c_algo_bit drm_kms_helper ahci libahci drm r8169 mii sdhci_acpi video sdhci i2c_hid hid Oct 28 12:08:46 gondor kernel: [ 3.426779] CPU: 1 PID: 192 Comm: plymouthd Tainted: G W 4.2.0-16-generic #19-Ubuntu Oct 28 12:08:46 gondor kernel: [ 3.426780] Hardware name: Acer Aspire VN7-571G/Aspire VN7-571G, BIOS V1.14 01/08/2015 Oct 28 12:08:46 gondor kernel: [ 3.426781] 0000000000000000 000000000d6a1f3a ffff8800359eb7c8 ffffffff817e8c09 Oct 28 12:08:46 gondor kernel: [ 3.426783] 0000000000000000 ffff8800359eb820 ffff8800359eb808 ffffffff8107b3c6 Oct 28 12:08:46 gondor kernel: [ 3.426785] ffff8800359eb848 ffff8800359eb8b0 ffff88025049c000 0000000000000001 Oct 28 12:08:46 gondor kernel: [ 3.426787] Call Trace: Oct 28 12:08:46 gondor kernel: [ 3.426790] [<ffffffff817e8c09>] dump_stack+0x45/0x57 Oct 28 12:08:46 gondor kernel: [ 3.426794] [<ffffffff8107b3c6>] warn_slowpath_common+0x86/0xc0 Oct 28 12:08:46 gondor kernel: [ 3.426796] [<ffffffff8107b455>] warn_slowpath_fmt+0x55/0x70 Oct 28 12:08:46 gondor kernel: [ 3.426805] [<ffffffffc01a9bc1>] ? intel_pipe_config_compare+0xb31/0xc60 [i915] Oct 28 12:08:46 gondor kernel: [ 3.426814] [<ffffffffc01a9fb5>] check_crtc_state+0x2c5/0x440 [i915] Oct 28 12:08:46 gondor kernel: [ 3.426827] [<ffffffffc01bdd6d>] intel_modeset_check_state+0x21d/0x6d0 [i915] Oct 28 12:08:46 gondor kernel: [ 3.426837] [<ffffffffc01bef27>] intel_crtc_set_config+0x4c7/0x580 [i915] Oct 28 12:08:46 gondor kernel: [ 3.426848] [<ffffffffc0090ee5>] ? drm_mode_create+0x25/0x60 [drm] Oct 28 12:08:46 gondor kernel: [ 3.426856] [<ffffffffc008a4c6>] drm_mode_set_config_internal+0x66/0x100 [drm] Oct 28 12:08:46 gondor kernel: [ 3.426864] [<ffffffffc008eb29>] drm_mode_setcrtc+0x3e9/0x500 [drm] Oct 28 12:08:46 gondor kernel: [ 3.426869] [<ffffffffc007f495>] drm_ioctl+0x125/0x610 [drm] Oct 28 12:08:46 gondor kernel: [ 3.426877] [<ffffffffc008e740>] ? drm_mode_setplane+0x1b0/0x1b0 [drm] Oct 28 12:08:46 gondor kernel: [ 3.426879] [<ffffffff812108a5>] do_vfs_ioctl+0x295/0x480 Oct 28 12:08:46 gondor kernel: [ 3.426881] [<ffffffff81210b09>] SyS_ioctl+0x79/0x90 Oct 28 12:08:46 gondor kernel: [ 3.426884] [<ffffffff817ef9f2>] entry_SYSCALL_64_fastpath+0x16/0x75 Oct 28 12:08:46 gondor kernel: [ 3.426885] ---[ end trace db3b385558ce7690 ]--- Oct 28 12:08:46 gondor kernel: [ 3.428995] [drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in ips_enabled (expected 1, found 0) Oct 28 12:08:46 gondor kernel: [ 3.428998] ------------[ cut here ]------------ -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1510998 Title: Xorg crashes with segfault on 15.10 Status in xorg package in Ubuntu: New Bug description: I updated my system from 15.04 to 15.10 yesterday. Since then the X server has already crashed 5 times, which renders the system close to unusable for me. The corresponding messages in Xorg.0.log.old are: [ 12125.023] (EE) [ 12125.023] (EE) Backtrace: [ 12125.023] (EE) 0: /usr/bin/X (xorg_backtrace+0x4e) [0x55953d82762e] [ 12125.023] (EE) 1: /usr/bin/X (0x55953d673000+0x1b8999) [0x55953d82b999] [ 12125.023] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (0x7f7c10e7b000+0x352f0) [0x7f7c10eb02f0] [ 12125.023] (EE) 3: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f7c0d252000+0x24edc) [0x7f7c0d276edc] [ 12125.023] (EE) 4: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f7c0d252000+0x26157) [0x7f7c0d278157] [ 12125.023] (EE) 5: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f7c0d252000+0x4a1e8) [0x7f7c0d29c1e8] [ 12125.023] (EE) 6: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f7c0d252000+0x4a7ec) [0x7f7c0d29c7ec] [ 12125.023] (EE) 7: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f7c0d252000+0x59103) [0x7f7c0d2ab103] [ 12125.023] (EE) 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f7c0d252000+0x593aa) [0x7f7c0d2ab3aa] [ 12125.023] (EE) 9: /usr/bin/X (0x55953d673000+0x13fb73) [0x55953d7b2b73] [ 12125.023] (EE) 10: /usr/bin/X (0x55953d673000+0x54ce3) [0x55953d6c7ce3] [ 12125.023] (EE) 11: /usr/bin/X (0x55953d673000+0x5818f) [0x55953d6cb18f] [ 12125.023] (EE) 12: /usr/bin/X (0x55953d673000+0x5c34b) [0x55953d6cf34b] [ 12125.023] (EE) 13: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf0) [0x7f7c10e9ba40] [ 12125.023] (EE) 14: /usr/bin/X (_start+0x29) [0x55953d6b96c9] [ 12125.023] (EE) [ 12125.023] (EE) Segmentation fault at address 0x7f7e141995e0 [ 12125.023] (EE) Fatal server error: [ 12125.023] (EE) Caught signal 11 (Segmentation fault). Server aborting I have attached the syslog file. The relevant messages for the three crashes from today can be found at: Oct 28 15:56:36 Oct 28 12:06:58 Oct 28 09:08:51 Unfortunately I have no clue how to reproduce the segfault. The last crash happened while I was reading some document and I did not push any button, moved the mouse or anything... ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: xserver-xorg 1:7.7+7ubuntu4 ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3 Uname: Linux 4.2.0-16-generic x86_64 ApportVersion: 2.19.1-0ubuntu4 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None CurrentDesktop: KDE Date: Wed Oct 28 16:30:43 2015 DistUpgraded: 2015-10-27 11:46:32,614 DEBUG enabling apt cron job DistroCodename: wily DistroVariant: kubuntu DkmsStatus: bbswitch, 0.7, 3.19.0-31-generic, x86_64: installed bbswitch, 0.7, 4.2.0-16-generic, x86_64: installed nvidia-304, 304.128, 3.19.0-31-generic, x86_64: installed nvidia-304, 304.128, 4.2.0-16-generic, x86_64: installed vboxhost, 4.3.26, 3.19.0-31-generic, x86_64: installed EcryptfsInUse: Yes ExtraDebuggingInterest: No GraphicsCard: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b) (prog-if 00 [VGA controller]) Subsystem: Acer Incorporated [ALI] Device [1025:091c] InstallationDate: Installed on 2015-01-20 (281 days ago) InstallationMedia: Kubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) LightdmGreeterLog: QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: Datei oder Verzeichnis nicht gefunden QFileSystemWatcher: failed to add paths: /var/lib/lightdm/.config/ibus/bus Bus::open: Can not get ibus-daemon's address. IBusInputContext::createInputContext: no connection to ibus-daemon LightdmGreeterLogOld: QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: Datei oder Verzeichnis nicht gefunden QFileSystemWatcher: failed to add paths: /var/lib/lightdm/.config/ibus/bus Bus::open: Can not get ibus-daemon's address. IBusInputContext::createInputContext: no connection to ibus-daemon MachineType: Acer Aspire VN7-571G ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-16-generic root=UUID=5ebd3c26-8bee-44ee-a832-0dbfb0ee72f4 ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: Upgraded to wily on 2015-10-27 (1 days ago) dmi.bios.date: 01/08/2015 dmi.bios.vendor: Insyde Corp. dmi.bios.version: V1.14 dmi.board.asset.tag: No Asset Tag dmi.board.name: Aspire VN7-571G dmi.board.vendor: Acer dmi.board.version: V1.14 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V1.14 dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.14:bd01/08/2015:svnAcer:pnAspireVN7-571G:pvrV1.14:rvnAcer:rnAspireVN7-571G:rvrV1.14:cvnAcer:ct10:cvrV1.14: dmi.product.name: Aspire VN7-571G dmi.product.version: V1.14 dmi.sys.vendor: Acer version.compiz: compiz N/A 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 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: Wed Oct 28 15:56:36 2015 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 1091 vendor LGD xserver.version: 2:1.17.2-1ubuntu9 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1510998/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
