http://bugs.freedesktop.org/show_bug.cgi?id=23354
Summary: M52 GPU hang and reset failed
Product: DRI
Version: XOrg CVS
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Radeon
AssignedTo: [email protected]
ReportedBy: [email protected]
Created an attachment (id=28679)
--> (http://bugs.freedesktop.org/attachment.cgi?id=28679)
dmesg captured from terminal using ssh.
I was running modified version of mesa when I got GPU hang. (My changes may
have broken state)
But effects of gpu hang were fatal:
-dmesg has message that radeon was trying to reset GPU
-ring test failed so reset failed
-dmesg is spammed with messages that scheduling IB failed
-whole computer is unresponsive localy
-open ssh connection works for only few commands (luckily dmesg did work)
-It seems like no disk access can happen after hang
-No new ssh connection are possible
-Old ssh connection did freeze soon so not much useful info there
After reboot logs didn't include any info from hang or after it.
I have seen before similar hang with M9+ card but no ssh connected then so no
debug info.
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