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Message #105411
[Bug 1429390] Re: Xorg freezes irrecoverably with "EQ overflowing"
** Attachment added: "dmesg log captured after a freeze"
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1429390/+attachment/4337824/+files/dmesg.log
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https://bugs.launchpad.net/bugs/1429390
Title:
Xorg freezes irrecoverably with "EQ overflowing"
Status in xorg-server package in Ubuntu:
New
Bug description:
X frequently freezes with "EQ overflowing" message(s) in the logs.
lightdm/X can be stopped and restarted, but never returns to a usable
state until rebooting. Either the screen remains black, or the input
devices remain frozen.
This happens multiple times a day but can not be reliably reproduced.
Frequently, it will happen within minutes after booting up; other
times it seems to happen at times of high load / memory usage.
Sometimes the system remains working for hours, sometimes just for
minutes.
The problem occurs both with the xserver-xorg-video-ati and fglrx
drivers from the standard repositories (+ backports, + updates, +
security).
The system remains fully responsive via SSH, with seemingly no
dangling processes after stopping X.
Kernel 3.16.0-31-generic, amd64.
Release utopic.
Graphics card:
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Juniper XT [Radeon HD 5770] (prog-if 00 [VGA controller])
Subsystem: Gigabyte Technology Co., Ltd Device 21f6
Flags: bus master, fast devsel, latency 0, IRQ 47
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at fbcc0000 (64-bit, non-prefetchable) [size=128K]
I/O ports at de00 [size=256]
[virtual] Expansion ROM at fbc00000 [disabled] [size=128K]
Capabilities: [50] Power Management version 3
Capabilities: [58] Express Legacy Endpoint, MSI 00
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
Capabilities: [150] Advanced Error Reporting
Kernel driver in use: radeon
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: xserver-xorg-core 2:1.16.0-1ubuntu1.3
ProcVersionSignature: Ubuntu 3.16.0-31.41-generic 3.16.7-ckt5
Uname: Linux 3.16.0-31-generic x86_64
ApportVersion: 2.14.7-0ubuntu8.2
Architecture: amd64
Date: Fri Mar 6 10:38:17 2015
ExecutablePath: /usr/bin/Xorg
ProcEnviron:
SourcePackage: xorg-server
UpgradeStatus: No upgrade log present (probably fresh install)
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References