On Sat, Apr 18, 2009 at 6:19 AM, Gordon McLellan <gordonthree@xxxxxxxxx> wrote:
<snip>
> I'm experiencing lots of kernel errors when reading or writing to a
> disk that is part of an mdadm softraid-5 array. Since originally
> detecting this problem, I have isolated it to one disk, but I'm not
> sure what the cause of the error is. I have torn down the array and
> have been testing the actual device now.
>
> I tested the drive several times using smartctl and the tests came
> back OK / PASSED each time, and no kernel errors were logged.
<snip>
> Apr 18 01:10:00 xenmaster kernel: BUG: warning at
> drivers/ata/libata-core.c:4923/ata_qc_issue() (Tainted: G )
<snip>
What do those BUG warnings mean? (Tainted: G) Those appear various
times, in the messages you posted. That driver has a problem?
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