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SubjectRe: D state processes in 2.4.18-pre7-ac3
Hi,

On Thu, Feb 07, 2002 at 09:53:56AM -0500, Andres Salomon wrote:
> No messages at all, actually. I noticed my sysrq-t made it into my logs
> (although it doesn't look all too correct..), so I've included it
> below. The D-state processes themselves seem to be the only indication of
> something gone wrong.

From this:

> Feb 7 02:30:01 incandescent kernel: bash D C0079EB0 0 14718 27389 3494 27391 (NOTLB)
> Feb 7 02:30:01 incandescent kernel: Call Trace: [__wait_on_buffer+106/144] [ipt_MASQUERADE:__insmod_ipt_MASQUERADE_O/lib/modules/2.4.18-pre7-ac3/kerne+-599850/96] [ipt_MASQUERADE:__insmod_ipt_MASQUERADE_O/lib/modules/2.4.18-pre7-ac3/kerne+-608890/96] [do_page_fault+355/1172] [do_page_fault+0/1172]
> Feb 7 02:30:01 incandescent kernel: [vfs_readdir+97/144] [filldir64+0/368] [sys_getdents64+79/259] [filldir64+0/368] [sys_fcntl64+128/144] [system_call+51/56]

it looks as if there are other processes stalled on IO too.
Unfortunately the modules decoding of the call traces looks broken, so
it's hard from this to really work out what might be the source of
that particular stall.

Is this at all reproducible? Had you been running any LVM utils
recently?

--Stephen
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