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SubjectRe: 2.6.17-mm3


On 27/06/2006 8:52 p.m., Andrew Morton wrote:
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17/2.6.17-mm3/
>
>
> - Added the x86 Geode development tree to the -mm lineup, as git-geode.patch
> (Jordan Crouse).
>
> - The locking validator patches are back, in a reworked series.

Still seeing the same breakage as I posted about here in -mm2:

http://www.ussg.iu.edu/hypermail/linux/kernel/0606.3/0195.html

I've since noticed that mail delivery is held up by the deliver process.
'deliver' is a component of the dovecot mail system (http://www.dovecot.org/)
which does delivery of mails to a user's Maildir and in the process recreates an
index.

[root@tornado ~]# nice top
top - 23:05:13 up 47 min, 4 users, load average: 6.48, 4.80, 4.10
Tasks: 170 total, 5 running, 165 sleeping, 0 stopped, 0 zombie
Cpu(s)%: 0.2 us, 98.9 sy, 0.0 ni, 0.6 id, 0.2 wa, 0.2 hi, 0.0 si, 0.0 st
Mem: 1016764k total, 847184k used, 169580k free, 56840k buffers
Swap: 497936k total, 0k used, 497936k free, 267064k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
2231 reuben 25 0 7984 1392 1136 R 55 0.1 23:20.16 deliver
2591 reuben 25 0 7988 1392 1136 R 53 0.1 22:41.52 deliver
2232 reuben 25 0 7988 1392 1136 R 50 0.1 23:23.78 deliver
2586 reuben 25 0 7984 1392 1136 R 49 0.1 22:28.72 deliver


[root@tornado ~]# strace -p 2232
Process 2232 attached - interrupt to quit

I can't kill these processes with a KILL signal, nor can I strace them.

Revert to -mm1 or any previous kernel release, and it all works fine. That
leads me to believe this is probably not a userspace issue.

What patches which could have possibly caused this?

Reuben
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