Re: shutdown umount hangs

[Russell Cattelan <cattelan@thebarn.com>]

Utz Lehmann wrote:

> Hi
>
> With newer cvs kernel (cvs from this week, before i had holidays) i have
> problems with my linux workstation (suse 7.1) at work.
>
> Umounting the filesystems while shutdown hangs.
>
> Following partitions are xfs:
>
> /dev/sda1 on / type xfs (rw)
> /dev/vg00/usr on /usr type xfs (rw,kio,logbufs=4,logbsize=32768)
> /dev/vg00/var on /var type xfs (rw,kio,logbufs=4,logbsize=32768)
> /dev/vg00/opt on /opt type xfs (rw,kio,logbufs=4,logbsize=32768)
> /dev/vg00/tmp on /tmp type xfs (rw,kio,logbufs=4,logbsize=32768)

I assume these are lvm volumes?
Could you sent configuration of these volumes.

Also one more kdb command.
kdb> bta
Back trace all.

We need to find out why the pagebuf  pagebuf_delwri_flush is currently
working on has a pin count.... that shouldn't be happening at this point.


>
> After umounting /tmp and /opt it hangs. Normally /var and /usr followed.
>
> It hangs in the /etc/init.d/halt script:
>
> [...]
> echo "Unmounting file systems"
> umount -avt noproc,nonfs,nosmbfs || {
>     rc_status
>     UMOUNT_FAILED=true
> }
> rc_status -v1 -r
>
> With a cvs kernel from march 2nd i have no problems.
>
> regards.
>
> utz lehmann

--
Russell Cattelan
--
Digital Elves inc. -- Currently on loan to SGI
Linux XFS core developer.