On Wed, Jul 15, 2009 at 05:00:47AM +0200, Michael Ole Olsen wrote:
> Everything was stable on server+client until the server got 2.6.30 kernel,
> the mdadm raid6 only works in 2.6.30 or above - mdadm fails to initialize it
> anything else, so cannot downgrade (custom reshape to raid6 using echo into
> all Q blocks on one disk).
> I have experimented with mount options on the client, and the client has
> been stable with these mount options before, when the server had a kernel
> below 2.6.30
Yes, we had a few reports of this already, but not been able to track it
down. Your instrcution below will be very helpful to reproduce and test
it, I will looks at it on thursday when I get back home to my test
> I saw someone talking about kernel stack size would be the cause for this
> xfs+nfs problem,
> is there anything to this?
Unlikely, it looks like problem in the XFS inode cache code introduced