Antti Salmela wrote:
My Dualcore AMD x86-64 desktop has been a little bit unstable as long as I
remember, but at last I had enough willpower to enable netconsole to see
if anything was reported after a lockup. For some reason these
BUG messages made now their way to local log file too.
May 15 06:51:43 enigma kernel: ----------- [cut here ] --------- [please bite here ] ---------
May 15 06:51:43 enigma kernel: Kernel BUG at mm/vmscan.c:428
May 15 06:51:43 enigma kernel: invalid opcode: 0000 [1] PREEMPT SMP
Thanks for reporting.
Either you have an active page on the inactive list, or your hardware has
flipped a bit in page->flags. I was going to say the latter is more likely,
however -- AFAIKS, the first oops should cause that page to be lost from the
LRU list, so the second oops shouldn't happen if the flip a single bad bit,
and should be pretty unlikely if it is a random error.
Still, anything explainable by a single bit flip is worth running memtest86+
overnight for.
Nick
--
SUSE Labs, Novell Inc.
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