Oleg Verych wrote:
>> That sounds like a good theory: you're getting easily-hit oopses in one of
>> the kernel's most-used codepaths which hasn't chanbged much in a long
>> time. So Something Odd Has Happened.
> Maybe this time it's just "Tainted: P"?
That'sthe NVIDIA module, which isn't doing much with X shut down
regardless. It was bad form to forget this, of course, but is unrelated
to the problem.
> And oops have no ext3, like prev. one.
I know. This isn't ext3 related and I'm fairly certain drivers/net/atl1
is trashing... something. Perhaps the page table because:
[ 153.785325] Bad page state in process 'scp'
[ 153.785327] page:ffff81000308d020 flags:0x0040ad41dc050845
mapping:53dfe57d17cc59cf mapcount:16885953 count:292554304
[ 153.785329] Trying to fix it up, but a reboot is needed
This one dismisses a reference counting issue because the page data here
looks like garbage. And a panic in VLC, playing a video across the
network hits a similar problem:
[ 9194.281809] [<ffffffff802849e3>] page_remove_rmap+0x53/0x110
[ 9194.281819] [<ffffffff8027c32c>] unmap_vmas+0x4ec/0x7c0
[ 9194.281852] [<ffffffff802807ac>] unmap_region+0xcc/0x170
[ 9194.281867] [<ffffffff8028160a>] do_munmap+0x22a/0x2f0
[ 9194.281877] [<ffffffff80439ee2>] __down_write_nested+0x12/0xb0
[ 9194.281892] [<ffffffff802ef936>] sys_shmdt+0xb6/0x150
[ 9194.281903] [<ffffffff80209e8e>] system_call+0x7e/0x83
[ 9194.281921]
[ 9194.281924]
[ 9194.281925] Code: 48 2b ba 98 21 00 00 48 c1 ff 03 48 0f af f8 48 03
ba a8 21
[ 9194.281973] RIP [<ffffffff80271f99>] page_to_pfn+0x19/0x40
> Jay, check your oops against "Tainted: P" flag, which is not supported
> here, and not drop persons, who assisted you from the CC list.
My apologies, I had thought the etiquette was to only include
maintainers on the CC list.
I'll try and locate a maintainer for the Attansic driver a bit later,
but I've only seen people loosely related to it. In any case we may as
well let this thread die because it's not related to a filesystem bug
(which the CC list is presumably interested in).
--
Jay L. T. Cornwall, http://www.esuna.co.uk/~jay/
PhD Student
Imperial College London
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