Re: IDE and possibly ext3 problems

Alan Cox (alan@lxorguk.ukuu.org.uk)
08 Nov 2002 17:34:19 +0000


On Thu, 2002-11-07 at 06:52, Helmut Apfelholz wrote:
> b3 kernel: hdm: timeout waiting for DMA
> b3 kernel: ide_dmaproc: chipset supported
> ide_dma_timeout func only: 14
> b3 kernel: hdm: status timeout: status=0xd0 { Busy }
> b3 kernel: hdm: drive not ready for command

Your disk went offline somehow.

> and the server start to generate increasingly higher
> loads as it waits for the disk. With ac kernel we were
> forced to reset the machine. After it came up, we've
> noticed in the logs:

Looks like not everything got written before the crash Not impossible
in writeback mode especially with the IDE controller caches involved.

> and see no errors. Ah, it looks like hdm disk isn't in
> the dmesg output anymore:

Maybe it died completely at that point ?

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