[Bug 802347] New: Kernel panic after watching youtube
https://bugzilla.novell.com/show_bug.cgi?id=802347 https://bugzilla.novell.com/show_bug.cgi?id=802347#c0 Summary: Kernel panic after watching youtube Classification: openSUSE Product: openSUSE 12.3 Version: RC 1 Platform: Other OS/Version: Other Status: NEW Severity: Critical Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: coolo@suse.com QAContact: qa-bugs@suse.de Found By: --- Blocker: --- Created an attachment (id=523535) --> (http://bugzilla.novell.com/attachment.cgi?id=523535) screenshot I know I shouldn't have watched the video, but I got caught in the act - sudden crash and I'm not even sure the screenshot has any useful informations. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #1 from Stephan Kulow
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Jiri Slaby
it happened again today just from reading emails. I have another screenshot also showing sunrpc as the module to crash.
The first one looks weird, can we see the second one? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Stephan Kulow
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Jiri Slaby
Created an attachment (id=524997) --> (http://bugzilla.novell.com/attachment.cgi?id=524997) [details] another crash
is there some good tool / service that scans screenshots for txt? :)
Eyeball :P. You need mostly only RIP anyway. And sometimes callers and some subset of registers. This one looks much better, the bug is peculiar though. It means that in the `free' list, there is a member with `prev' and `next' being NULL. That means it was memset(0) while still being in the list. A memset happens only in xprt_release and only after the item is removed from the list. Weird. This needs to be consulted with nfs experts. Neil, any ideas? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Jiri Slaby
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Neil Brown
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Jiri Slaby
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--- Comment #7 from Jiri Slaby
* can you reproduce with vbox which I just noticed you have loaded (see tainted O flag)?
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--- Comment #8 from Jiri Slaby
Given that the two crashes seem to be in unrelated places and both involve a NULL appearing where it shouldn't,
And BTW the first one is tainted D which means it is likely an outcome of some earlier bug... -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #9 from Stephan Kulow
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--- Comment #10 from Jiri Slaby
* what warning is in dmesg prior this happens (see tainted W flag)? from /var/log/messages?
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Stephan Kulow
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--- Comment #12 from Jiri Slaby
WARNING: at /home/abuild/rpmbuild/BUILD/kernel-desktop-3.7.6/linux-3.7/drivers/gpu/drm/nouveau/core/core/mm.c:242
Ok, this one reported as: https://lkml.org/lkml/2013/2/18/122 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #13 from Jiri Slaby
(In reply to comment #11)
WARNING: at /home/abuild/rpmbuild/BUILD/kernel-desktop-3.7.6/linux-3.7/drivers/gpu/drm/nouveau/core/core/mm.c:242
Ok, this one reported as: https://lkml.org/lkml/2013/2/18/122
The warning should be fixed now: c6b8d60..e224175 openSUSE-12.3 -> openSUSE-12.3 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #14 from Jiri Slaby
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Frederic Crozat
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--- Comment #16 from Stephan Kulow
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Stephan Kulow
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--- Comment #18 from Frederic Crozat
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--- Comment #19 from Frederic Crozat
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Jiri Slaby
I spoke too soon, got a crash 2mins after writing this message (and no stacktrace, unfortunately)
What kernel do you have exactly? Git-commit in rpm -qi output of the kernel will tell us.
It looks like my system is easier to crash when I'm download ISO image..
Over NFS/HTTP/FTP or? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Frederic Crozat
(In reply to comment #19)
I spoke too soon, got a crash 2mins after writing this message (and no stacktrace, unfortunately)
What kernel do you have exactly? Git-commit in rpm -qi output of the kernel will tell us.
GIT Revision: 59f2b987a77106ef5cc367d231474ad2db4c52af
It looks like my system is easier to crash when I'm download ISO image..
Over NFS/HTTP/FTP or?
wget over ftp. But this is a shot in the dark. Can't say if it is really triggering the bug more often or not.. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #22 from Jiri Slaby
GIT Revision: 59f2b987a77106ef5cc367d231474ad2db4c52af
That one doesn't contain the fix yet... -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #23 from Frederic Crozat
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--- Comment #24 from Frederic Crozat
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Jiri Slaby
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--- Comment #26 from Frederic Crozat
I suppose the corruption is gone. Still waiting for the second patch (kamlloc->vmalloc switch) to appear upstream.
I confirm I didn't had any crash for a long time. Ping us when you want me to test the second patch.. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Jiri Slaby
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--- Comment #28 from Frederic Crozat
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--- Comment #29 from Jiri Slaby
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Jiri Slaby
Hmm, the nouveau upstream maintainership seems to be very crappy. The patch is not merged yet. I will ping them.
And they don't reply. So I will push the patch on my own. Do you still see the issue? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Frederic Crozat
(In reply to comment #29)
Hmm, the nouveau upstream maintainership seems to be very crappy. The patch is not merged yet. I will ping them.
And they don't reply. So I will push the patch on my own. Do you still see the issue?
Yes, almost everyday. I'm running 12.3 maintenance kernel (3.7.10-1.16-desktop) -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #32 from Jiri Slaby
Yes, almost everyday. I'm running 12.3 maintenance kernel (3.7.10-1.16-desktop)
Ok, I sent the patch on my own. Waiting for merging. If nothing happens, I will push that through akpm's tree. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #33 from Frederic Crozat
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Jeff Mahoney
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