Neil Brown <neilb@xxxxxxxx> on Mon, 2015/08/24 07:35:
> Christian Hesse <list@xxxxxxxx> writes:
>
> > Hello everybody,
> >
> > with linux 4.1.x I am hit by this issue with RAID5:
> >
> > BUG: unable to handle kernel NULL pointer dereference at (null)
> > IP: [<ffffffffa05a4b91>] get_free_stripe+0x31/0xf0 [raid456]
>
> Thank for the report.
> Please add upstrem commit:
>
> Commit: 49895bcc7e56 ("md/raid5: don't let shrink_slab shrink too far.")
>
> fix it.
My system is up for eight hours now, doing a lot of I/O without issue.
Thanks a lot!
--
Best regards,
Chris
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