Bug 1119468 - low power profile on radeon 6990 graphics card causes crash when restarting X
Summary: low power profile on radeon 6990 graphics card causes crash when restarting X
Alias: None
Product: Fedora
Classification: Fedora
Component: xorg-x11-drv-ati
Version: 20
Hardware: x86_64
OS: Linux
Target Milestone: ---
Assignee: X/OpenGL Maintenance List
QA Contact: Fedora Extras Quality Assurance
Depends On:
TreeView+ depends on / blocked
Reported: 2014-07-14 20:25 UTC by Ian Kelling
Modified: 2015-06-29 21:35 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2015-06-29 21:35:15 UTC

Attachments (Terms of Use)

Description Ian Kelling 2014-07-14 20:25:11 UTC
Description of problem:

Version-Release number of selected component (if applicable):
Not sure exactly which package is responsible, so here are a few:

Version     : 7.2.0
Release     : 3.20131101git3b38701.fc20

Name        : kernel
Arch        : x86_64
Version     : 3.11.10

Name        : systemd
Version     : 208
Release     : 19.fc20

How reproducible:
About 90% of the time out of about 10-15 times I forgot to reset the power profie.

Steps to Reproduce:
1. Log into X, open a terminal

As root,
echo low > /sys/class/drm/card0/device/power_profile
echo low > /sys/class/drm/card1/device/power_profile

Log out of X

Actual results:
System freezes, showing virtual console. Sysrq does not work. Sshing into the system does not work. After cycling the power, only things in the system log are from before logging out of X. A single xorg log file from that boot cycle exists, Xorg.0.log.old, and it is completely empty.

Expected results:
Go back to display manager

Additional info:
I suspect I might get the same result from simply exiting X without restarting it, but I don't want to test it without knowing how to get some more useful information. I can switch to virtual console's without crashing.

Comment 1 Fedora End Of Life 2015-05-29 12:22:13 UTC
This message is a reminder that Fedora 20 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
and issuing updates for Fedora 20. It is Fedora's policy to close all
bug reports from releases that are no longer maintained. At that time
this bug will be closed as EOL if it remains open with a Fedora  'version'
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Comment 2 Fedora End Of Life 2015-06-29 21:35:15 UTC
Fedora 20 changed to end-of-life (EOL) status on 2015-06-23. Fedora 20 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of
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