** Tags added: amd64 latest-bios-1.20
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https://bugs.launchpad.net/bugs/1529932
Title:
X session crashes with EQ overflowing
Status in xorg package in Ubuntu:
Incomplete
Bug description:
On my very old laptop, that is equipped with an Ati Mobility Radeon
X700, sometimes (and, sadly, I have to use this word, because I found
no regularity pattern for the occurrence of this bug) randomly the
desktop session locks, that is I can only move the mouse pointer, but
I cannot interact anymore with the desktop session. I am forced to
login trough ssh from another pc and to restart the laptop.
In Xorg.0.log I found these lines that are, in my opinion, related to
the crash:
(EE) [mi] EQ overflowing. Additional events will be discarded until existing
events are processed.
(EE)
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x4e) [0x5608e56a768e]
(EE) 1: /usr/bin/X (mieqEnqueue+0x253) [0x5608e5689373]
(EE) 2: /usr/bin/X (QueuePointerEvents+0x52) [0x5608e5563152]
(EE) 3: /usr/bin/X (xf86PostMotionEvent+0xd6) [0x5608e559a026]
(EE) 4: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f5e497b3000+0x5322)
[0x7f5e497b8322]
(EE) 5: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f5e497b3000+0x73d2)
[0x7f5e497ba3d2]
(EE) 6: /usr/bin/X (0x5608e54f3000+0x96ac8) [0x5608e5589ac8]
(EE) 7: /usr/bin/X (0x5608e54f3000+0xbfc92) [0x5608e55b2c92]
(EE) 8: /lib/x86_64-linux-gnu/libc.so.6 (0x7f5e522c9000+0x352f0)
[0x7f5e522fe2f0]
(EE) 9: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f5e523c60b7]
(EE) 10: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28)
[0x7f5e536ada08]
(EE) 11: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmCommandWrite+0x1b)
[0x7f5e536b06cb]
(EE) 12: /usr/lib/x86_64-linux-gnu/libdrm_radeon.so.1 (0x7f5e4e3ad000+0x19c9)
[0x7f5e4e3ae9c9]
(EE) 13: /usr/lib/x86_64-linux-gnu/libdrm_radeon.so.1 (0x7f5e4e3ad000+0x1c0c)
[0x7f5e4e3aec0c]
(EE) 14: /usr/lib/xorg/modules/drivers/radeon_drv.so (0x7f5e4e5b9000+0x26236)
[0x7f5e4e5df236]
(EE) 15: /usr/lib/xorg/modules/libexa.so (0x7f5e4d973000+0x569b)
[0x7f5e4d97869b]
(EE) 16: /usr/lib/xorg/modules/libexa.so (0x7f5e4d973000+0x7e8f)
[0x7f5e4d97ae8f]
(EE) 17: /usr/lib/xorg/modules/libexa.so (0x7f5e4d973000+0x11953)
[0x7f5e4d984953]
(EE) 18: /usr/lib/xorg/modules/libexa.so (0x7f5e4d973000+0xe770)
[0x7f5e4d981770]
(EE) 19: /usr/bin/X (0x5608e54f3000+0x13ca51) [0x5608e562fa51]
(EE) 20: /usr/lib/xorg/modules/libexa.so (0x7f5e4d973000+0xf74f)
[0x7f5e4d98274f]
(EE) 21: /usr/bin/X (0x5608e54f3000+0x1332a2) [0x5608e56262a2]
(EE) 22: /usr/bin/X (0x5608e54f3000+0x5818f) [0x5608e554b18f]
(EE) 23: /usr/bin/X (0x5608e54f3000+0x5c34b) [0x5608e554f34b]
(EE) 24: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf0)
[0x7f5e522e9a40]
(EE) 25: /usr/bin/X (_start+0x29) [0x5608e55396c9]
(EE)
(EE) [mi] These backtraces from mieqEnqueue may point to a culprit higher up
the stack.
(EE) [mi] mieq is *NOT* the cause. It is a victim.
(EE) [mi] EQ overflow continuing. 100 events have been dropped.
(EE)
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x4e) [0x5608e56a768e]
(EE) 1: /usr/bin/X (QueuePointerEvents+0x52) [0x5608e5563152]
(EE) 2: /usr/bin/X (xf86PostMotionEvent+0xd6) [0x5608e559a026]
(EE) 3: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f5e497b3000+0x5322)
[0x7f5e497b8322]
(EE) 4: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f5e497b3000+0x73d2)
[0x7f5e497ba3d2]
(EE) 5: /usr/bin/X (0x5608e54f3000+0x96ac8) [0x5608e5589ac8]
(EE) 6: /usr/bin/X (0x5608e54f3000+0xbfc92) [0x5608e55b2c92]
(EE) 7: /lib/x86_64-linux-gnu/libc.so.6 (0x7f5e522c9000+0x352f0)
[0x7f5e522fe2f0]
(EE) 8: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f5e523c60b7]
(EE) 9: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7f5e536ada08]
(EE) 10: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmCommandWrite+0x1b)
[0x7f5e536b06cb]
(EE) 11: /usr/lib/x86_64-linux-gnu/libdrm_radeon.so.1 (0x7f5e4e3ad000+0x19c9)
[0x7f5e4e3ae9c9]
(EE) 12: /usr/lib/x86_64-linux-gnu/libdrm_radeon.so.1 (0x7f5e4e3ad000+0x1c0c)
[0x7f5e4e3aec0c]
(EE) 13: /usr/lib/xorg/modules/drivers/radeon_drv.so (0x7f5e4e5b9000+0x26236)
[0x7f5e4e5df236]
(EE) 14: /usr/lib/xorg/modules/libexa.so (0x7f5e4d973000+0x569b)
[0x7f5e4d97869b]
(EE) 15: /usr/lib/xorg/modules/libexa.so (0x7f5e4d973000+0x7e8f)
[0x7f5e4d97ae8f]
(EE) 16: /usr/lib/xorg/modules/libexa.so (0x7f5e4d973000+0x11953)
[0x7f5e4d984953]
(EE) 17: /usr/lib/xorg/modules/libexa.so (0x7f5e4d973000+0xe770)
[0x7f5e4d981770]
(EE) 18: /usr/bin/X (0x5608e54f3000+0x13ca51) [0x5608e562fa51]
(EE) 19: /usr/lib/xorg/modules/libexa.so (0x7f5e4d973000+0xf74f)
[0x7f5e4d98274f]
(EE) 20: /usr/bin/X (0x5608e54f3000+0x1332a2) [0x5608e56262a2]
(EE) 21: /usr/bin/X (0x5608e54f3000+0x5818f) [0x5608e554b18f]
(EE) 22: /usr/bin/X (0x5608e54f3000+0x5c34b) [0x5608e554f34b]
(EE) 23: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf0)
[0x7f5e522e9a40]
(EE) 24: /usr/bin/X (_start+0x29) [0x5608e55396c9]
(EE)
[ 335.003] [mi] Increasing EQ size to 1024 to prevent dropped events.
[ 335.005] [mi] EQ processing has resumed after 151 dropped events.
[ 335.005] [mi] This may be caused my a misbehaving driver monopolizing the
server's resources.
[ 377.274] failed to map pixmap: -1
---
ApportVersion: 2.19.3-0ubuntu2
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: LXDE
DistUpgraded: 2016-01-08 14:07:17,902 DEBUG enabling apt cron job
DistroCodename: xenial
DistroRelease: Ubuntu 16.04
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] RV410/M26 [Mobility Radeon X700]
[1002:5653] (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] Aspire 5024WLMi [1025:0080]
InstallationDate: Installed on 2015-11-26 (45 days ago)
InstallationMedia: Lubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: Acer Aspire 5020
Package: xorg 1:7.7+12ubuntu1
PackageArchitecture: amd64
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-5-generic
root=UUID=4c854a4e-3c70-4b7b-b86d-841d4387937e ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.3.0-5.16-generic 4.3.3
Tags: xenial ubuntu
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
Uname: Linux 4.3.0-5-generic x86_64
UpgradeStatus: Upgraded to xenial on 2016-01-08 (2 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 12/19/2005
dmi.bios.vendor: Phoenix
dmi.bios.version: V1.20
dmi.board.name: Aspire 5020
dmi.board.vendor: Acer
dmi.board.version: Rev.A
dmi.chassis.type: 10
dmi.chassis.vendor: N/A
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnPhoenix:bvrV1.20:bd12/19/2005:svnAcer:pnAspire5020:pvr-1:rvnAcer:rnAspire5020:rvrRev.A:cvnN/A:ct10:cvrN/A:
dmi.product.name: Aspire 5020
dmi.product.version: -1
dmi.sys.vendor: Acer
version.compiz: compiz N/A
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.65-3
version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.7-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.7-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.17.3-2ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.6.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20151217-1~exp1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.11-1ubuntu3
xserver.bootTime: Sun Jan 10 11:41:29 2016
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Video Bus KEYBOARD, id 7
input Sleep Button KEYBOARD, id 8
input AT Translated Set 2 keyboard KEYBOARD, id 9
input SynPS/2 Synaptics TouchPad TOUCHPAD, id 10
xserver.errors: systemd-logind: failed to get session: PID 956 does not
belong to any known session
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.17.3-2ubuntu2
xserver.video_driver: radeon
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