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SubjectRe: [CRASH] gdth / __block_prepare_write: zeroing uptodate buffer! / NMI Watchdog detected LOCKUP
On Tue, Feb 26, 2002 at 11:04:55AM -0800, Andrew Morton wrote:
> Florian Lohoff wrote:
> >
> > Hi,
> > i have been looking for deadlocks we are experiencing on a couple of
> > SMP machines (Dual Celeron and Dual PIII). After a night stressing a
> > spare machine with dbench/bonnie++/tcpspray the machine locked up 30
> > minutes after i killed the test. The last messages on the console were:
> >
> > __block_prepare_write: zeroing uptodate buffer!
>
> Yup. This happens when the disk fills up. Andrea and I were
> discussing it over the weekend. There's a new patch in the -aa
> kernels which doesn't quite fix it :(

I think it basically does, see the other email for why I think so.

> Bottom line: I don't know why you got a SCSI error, and the lockup
> is possibly a bug in the scsi layer.

agreed (just like said in the other email :).

Andrea
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