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umount triggers a warning in jfs and takes almost a minute

Hi,

using jfs on a flash drive (which is a bit unusual: 2K sectors) unmounting
triggers a warning and takes 52 second, if I have used the filesystem. (ls -l)
is sufficient. This is 2.6.23-rc4 on x86_64.

mkfs.jfs version 1.1.11, 05-Jun-2006

	Regards
		Oliver

Sep  4 16:18:57 oenone kernel: WARNING: at fs/jfs/jfs_logmgr.c:1643 jfs_flush_journal()
Sep  4 16:18:57 oenone kernel:
Sep  4 16:18:57 oenone kernel: Call Trace:
Sep  4 16:18:57 oenone kernel:  [<ffffffff8856b96e>] :jfs:jfs_flush_journal+0x26a/0x27d
Sep  4 16:18:57 oenone kernel:  [<ffffffff8029f39e>] dispose_list+0xde/0xf7
Sep  4 16:18:57 oenone kernel:  [<ffffffff88559003>] :jfs:jfs_umount+0x30/0xe5
Sep  4 16:18:57 oenone kernel:  [<ffffffff88555a31>] :jfs:jfs_put_super+0xd/0x5e
Sep  4 16:18:57 oenone kernel:  [<ffffffff8028e68b>] generic_shutdown_super+0x60/0xf0
Sep  4 16:18:57 oenone kernel:  [<ffffffff8028e728>] kill_block_super+0xd/0x1e
Sep  4 16:18:57 oenone kernel:  [<ffffffff8028e7f3>] deactivate_super+0x6a/0x82
Sep  4 16:18:57 oenone kernel:  [<ffffffff802a1880>] sys_umount+0x249/0x25a
Sep  4 16:18:57 oenone kernel:  [<ffffffff80260e2f>] audit_syscall_entry+0x141/0x174
Sep  4 16:18:57 oenone kernel:  [<ffffffff8020be8c>] tracesys+0xdc/0xe1

oenone:/home/oliver # mount -t jfs /dev/sdd1 /mnt
oenone:/home/oliver # ls -l /mnt
insgesamt 72
-rw-r--r-- 1 root root 72797  4. Sep 14:51 config
oenone:/home/oliver # time umount /mnt

Re: umount triggers a warning in jfs and takes almost a minute

On Tue, 4 Sep 2007, Oliver Neukum wrote:
> using jfs on a flash drive (which is a bit unusual: 2K sectors) unmounting
> triggers a warning and takes 52 second, if I have used the filesystem. (ls -l)
> is sufficient. This is 2.6.23-rc4 on x86_64.

Hm, the fs/jfs/jfs_logmgr.c changes in -rc5 were only whitespace 
cleanup, so may not be worth a try.
Does this happen with other devices (different sector size?) too?
Say, with an USB stick or something. Did you try with JFS_DEBUG set?

--

-- 
BOFH excuse #357:

I'd love to help you -- it's just that the Boss won't let me near the computer.

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Re: umount triggers a warning in jfs and takes almost a minute

Am Donnerstag 06 September 2007 schrieb Christian Kujau:
> On Tue, 4 Sep 2007, Oliver Neukum wrote:
> > using jfs on a flash drive (which is a bit unusual: 2K sectors) unmounting
> > triggers a warning and takes 52 second, if I have used the filesystem. (ls -l)
> > is sufficient. This is 2.6.23-rc4 on x86_64.
> 
> Hm, the fs/jfs/jfs_logmgr.c changes in -rc5 were only whitespace 
> cleanup, so may not be worth a try.
> Does this happen with other devices (different sector size?) too?
> Say, with an USB stick or something. Did you try with JFS_DEBUG set?

I tried a 26MB usb flash disk with 512byte sectors. It unmounts flawlessly.
I'll recompile with JFS_DEBUG.

	Regards
		Oliver

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Re: umount triggers a warning in jfs and takes almost a minute

Am Donnerstag 06 September 2007 schrieb Christian Kujau:
> On Tue, 4 Sep 2007, Oliver Neukum wrote:
> > using jfs on a flash drive (which is a bit unusual: 2K sectors) unmounting
> > triggers a warning and takes 52 second, if I have used the filesystem. (ls -l)
> > is sufficient. This is 2.6.23-rc4 on x86_64.
> 
> Hm, the fs/jfs/jfs_logmgr.c changes in -rc5 were only whitespace
> cleanup, so may not be worth a try.

2.6.23-rc5 with JFS_DEBUG:

the first try works without error, on the second attempt to mount:

oenone:/var/log # tail -2500 /var/log/messages |grep jfs
Sep  7 11:50:25 oenone kernel: jfs_mount: diMount(ipaimap2) failed, rc = -5
Sep  7 11:50:25 oenone kernel: jfs_mount failed w/return code = -5

	Regards
		Oliver

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Re: umount triggers a warning in jfs and takes almost a minute

On Fri, 2007-09-07 at 11:52 +0200, Oliver Neukum wrote:
> Am Donnerstag 06 September 2007 schrieb Christian Kujau:
> > On Tue, 4 Sep 2007, Oliver Neukum wrote:
> > > using jfs on a flash drive (which is a bit unusual: 2K sectors) unmounting
> > > triggers a warning and takes 52 second, if I have used the filesystem. (ls -l)
> > > is sufficient. This is 2.6.23-rc4 on x86_64.

I'm not really sure there's a good reason to have jfs on flash.  You
would probably be better off with jffs2.  However, I do want to
understand what's going on here and figure out how to fix it.

> > Hm, the fs/jfs/jfs_logmgr.c changes in -rc5 were only whitespace
> > cleanup, so may not be worth a try.
> 
> 2.6.23-rc5 with JFS_DEBUG:
> 
> the first try works without error, on the second attempt to mount:
> 
> oenone:/var/log # tail -2500 /var/log/messages |grep jfs
> Sep  7 11:50:25 oenone kernel: jfs_mount: diMount(ipaimap2) failed, rc = -5
> Sep  7 11:50:25 oenone kernel: jfs_mount failed w/return code = -5

Does fsck find any errors?

Thanks,
Shaggy
--

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IBM Linux Technology Center

Re: [2/4] 2.6.23-rc5: known regressions v2

On Sat, Sep 08, 2007 at 01:11:13PM +0200, Michal Piotrowski wrote:
> USB
> 
> Subject         : 2.6.23-rc1: USB hard disk broken
> References      : http://lkml.org/lkml/2007/7/25/62
> Last known good : ?
> Submitter       : Tino Keitel <tino.keitel <at> gmx.de>
> Caused-By       : ?
> Handled-By      : Oliver Neukum <oliver <at> neukum.org>
> Status          : unknown
> 
> Subject         : USB hard disk broken in 2.6.23-rc3 (autosuspend related)
> References      : http://bugzilla.kernel.org/show_bug.cgi?id=8892
> Last known good : ?
> Submitter       : Roman Jarosz <kedgedev <at> centrum.cz>
> Caused-By       : ?
> Handled-By      : Alan Stern <stern <at> rowland.harvard.edu>
> Workaround      : echo -1 >/sys/bus/usb/devices/1-4/power/autosuspend
> Status          : possible hardware problem

Oliver and Alan, is there any info about these?  Anything that I can
help out with?

thanks,

greg k-h

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Re: [2/4] 2.6.23-rc5: known regressions v2

On Sat, 2007-09-08 at 13:11 +0200, Michal Piotrowski wrote:
> Hi all,
> 
> Here is a list of some known regressions in 2.6.23-rc5.
> 
> Feel free to add new regressions/remove fixed etc.
> http://kernelnewbies.org/known_regressions

> FS
> 
> Subject         : umount triggers a warning in jfs and takes almost a minute
> References      : http://lkml.org/lkml/2007/9/4/73
> Last known good : ?
> Submitter       : Oliver Neukum <oliver <at> neukum.org>
> Caused-By       : ?
> Handled-By      : ?
> Status          : unknown

Is this a regression?

Oliver,
Have you been using jfs on this flash previously?  If so, what was the
most recent kernel that didn't have problems?

Thanks,
Shaggy
--

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David Kleikamp
IBM Linux Technology Center