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SubjectRe: 2.4.20-rc1 - hang with processes stuck in D
Jeff Dike wrote:
>
> 2.4.20-rc1 reliably gets processes stuck in D, eventually wedging the whole
> system. This is by diffing two kernel pools, one of which has 9 138764288
> byte core files.
>
> The diff itself is stuck in __wait_on_buffer:
>
> Trace; c0131608 <__wait_on_buffer+68/90>

Kernel is waiting for IO completion on a read. I would be
suspecting your IO system, or interrupt system.

Reverting your ide/scsi/whatever drivers to the last-known-to-work
version would be interesting.
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