Re: [Jfs-discussion] =?utf-8?q?umount_triggers_a_warning_in_jfs_and_t?= =?utf-8?q?akes_almost=09a_minute?=

[Oliver N. <ol...@ne...>]

Am Samstag 08 September 2007 schrieb Dave Kleikamp:
> 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

This is a usb storage device. The fs has no idea it is on flash.
A real disk would have the same effect.

> 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

Sep 19 14:13:04 oenone kernel: jfs_flush_journal: synclist not empty
Sep 19 14:13:04 oenone kernel: metapage: ffff810063ae57b8: 0e161000 00000000 000036a0 00002ae6
Sep 19 14:13:04 oenone kernel: metapage: ffff810063ae57c8: 508e7f00 ffff8100 508e7f00 ffff8100
Sep 19 14:13:04 oenone kernel: metapage: ffff810063ae57d8: 00000004 00000000 00000000 00000000
Sep 19 14:13:04 oenone kernel: metapage: ffff810063ae57e8: 63ad9000 ffff8100 00000055 00000000
Sep 19 14:13:04 oenone kernel: metapage: ffff810063ae57f8: 00000001 00002ae6 63ae5800 ffff8100
Sep 19 14:13:04 oenone kernel: metapage: ffff810063ae5808: 63ae5800 ffff8100 9f28df78 ffff8100
Sep 19 14:13:04 oenone kernel: metapage: ffff810063ae5818: 00001000 0000376c 00000000 00002ae6
Sep 19 14:13:04 oenone kernel: metapage: ffff810063ae5828: 508e7e00 ffff8100
Sep 19 14:13:04 oenone kernel: page: ffff81009f28df78: 010000000000087c ffffffff00000001
Sep 19 14:13:04 oenone kernel: page: ffff81009f28df88: ffff810063ae57b8 ffff810063ae3e28
Sep 19 14:13:04 oenone kernel: page: ffff81009f28df98: 0000000000000055 ffff81009f28df68
Sep 19 14:13:04 oenone kernel: page: ffff81009f28dfa8: ffff81009fc79790

Again, this happens on the second umount.
 
> Does fsck find any errors?

fsck 1.40.2 (12-Jul-2007)
fsck.jfs version 1.1.11, 05-Jun-2006
processing started: 9/19/2007 14.17.38
Using default parameter: -p
The current device is:  /dev/sdd1
Block size in bytes:  4096
Filesystem size in blocks:  474269
**Phase 0 - Replay Journal Log
Filesystem is clean.

	Regards
		Oliver