Bug 35344 - nouveau: oops in nv50_vm_map_pgt
Summary: nouveau: oops in nv50_vm_map_pgt
Status: RESOLVED FIXED
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/nouveau (show other bugs)
Version: 7.4 (2008.09)
Hardware: x86-64 (AMD64) Linux (All)
: medium blocker
Assignee: Nouveau Project
QA Contact: Xorg Project Team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2011-03-15 17:02 UTC by somethingsome2000
Modified: 2012-06-26 09:54 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:

Attachments
dmesg logfile from boot (72.53 KB, text/plain)
2011-03-15 17:04 UTC, somethingsome2000 		no flags Details
xorg log file (16.76 KB, text/plain)
2011-03-15 17:04 UTC, somethingsome2000 		no flags Details
Dmesg log (62.38 KB, text/plain)
2011-03-16 13:12 UTC, Michał Lipski 		no flags Details
View All

Description somethingsome2000 2011-03-15 17:02:15 UTC 
This did not happen with kernel 2.6.38-rc8 but started with the 2.6.38 release
Comment 1 somethingsome2000 2011-03-15 17:04:06 UTC 
Created attachment 44489 [details]
dmesg logfile from boot
Comment 2 somethingsome2000 2011-03-15 17:04:41 UTC 
Created attachment 44490 [details]
xorg log file
Comment 3 Michał Lipski 2011-03-16 13:11:55 UTC 
I saw it only ones. Just after kernel upgrade from 2.6.38-rc7 to 2.6.38-rc8. I couldn't reproduce it.

kernel: 2.6.38
xorg-server: 1.9.4

Right now I use 2.6.38.
Comment 4 Michał Lipski 2011-03-16 13:12:42 UTC 
Created attachment 44520 [details]
Dmesg log
Comment 5 somethingsome2000 2011-03-25 23:56:05 UTC 
Very odd. I noticed that my kernel was compiled without debugging, so I decided to recompile with debugging enabled to get useful output for you guys. The strange thing is that with debugging enabled, my kernel can now boot properly
Comment 6 Marcin Slusarz 2011-12-06 09:58:07 UTC 
Is it still crashing on newer kernel? I think we fixed it in 2.6.38.5 / 2.6.39-rc5.

(Logs are from 2.6.38 / 2.6.38-rc8 and in both oops triggered on address which had high word set to 0xffffffff. Considering that between 2.6.38-rc7 and 2.6.38.5 we had a memory corruption bug which could overwrite one word with 0xffffffff, it's quite possible it's the same bug...)

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