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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 :).

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