http://bugs.freedesktop.org/show_bug.cgi?id=11247
Summary: RV280 PCI hangs at start-up (high Xorg CPU usage) with
DRI
Product: xorg
Version: git
Platform: Other
URL: https://bugs.launchpad.net/bugs/114520
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Driver/Radeon
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
QAContact: [EMAIL PROTECTED]
This was reported in Ubuntu by Mike Agnew. He has done lots of debugging,
including gdb which doesn't seem to bite on Xorg. He has now updated to
xorg-server 1.3 and ati driver 6.6.192 on top of Ubuntu Feisty.
When the server starts, the screen goes black and the keyboard is locked up.
This only happens when DRI is enabled. He can ssh from another machine and sees
that Xorg is eating CPU time. He has tried sysrq-trigger, but we can not see
Xorg in the trace.
If attaching with gdb, it's not possible to stop it with ctrl-C and gdb turns
bad. He also set the debug option on the drm module and logged from /proc/kmsg.
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