On Wed, 2007-09-19 at 13:44 +0200, Oliver Neukum wrote: > Am Donnerstag 13 September 2007 schrieb Dave Kleikamp: > > On Wed, 2007-09-12 at 18:58 +0200, Michal Piotrowski wrote: > > > > > 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@xxxxxxxxxx> > > > Caused-By : ? > > > Handled-By : ? > > > Status : unknown > > > > I'm still waiting to hear from Oliver whether or not this is actually a > > regression. > > OK, I've done test. On 2.6.22 I was unable to trigger the warning. > On 2.6.23-rc6 I get the following warning in about 3/4 of all unmounts: > > Sep 19 13:08:04 oenone kernel: WARNING: at fs/jfs/jfs_logmgr.c:1643 jfs_flush_journal() > Sep 19 13:08:04 oenone kernel: > Sep 19 13:08:04 oenone kernel: Call Trace: > Sep 19 13:08:04 oenone kernel: [<ffffffff8860f962>] :jfs:jfs_flush_journal+0x26a/0x27d > Sep 19 13:08:04 oenone kernel: [<ffffffff8029fca1>] dispose_list+0xde/0xf7 > Sep 19 13:08:04 oenone kernel: [<ffffffff885fd003>] :jfs:jfs_umount+0x30/0xe5 > Sep 19 13:08:04 oenone kernel: [<ffffffff885f9a31>] :jfs:jfs_put_super+0xd/0x5e > Sep 19 13:08:04 oenone kernel: [<ffffffff8028ef8f>] generic_shutdown_super+0x60/0xf0 > Sep 19 13:08:04 oenone kernel: [<ffffffff8028f02c>] kill_block_super+0xd/0x1e > Sep 19 13:08:04 oenone kernel: [<ffffffff8028f0f7>] deactivate_super+0x6a/0x82 > Sep 19 13:08:04 oenone kernel: [<ffffffff802a2184>] sys_umount+0x249/0x25a > Sep 19 13:08:04 oenone kernel: [<ffffffff802616ff>] audit_syscall_entry+0x141/0x174 > Sep 19 13:08:04 oenone kernel: [<ffffffff8020be8c>] tracesys+0xdc/0xe1 > Sep 19 13:08:04 oenone kernel: > > This is on a partition of a usb mass storage device with 2K sector size. > IMHO it is a regression. I am recompiling with CONFIG_JFS_DEBUG. Looks like a regression then. I'll take a look at the debug output and get back to you. Shaggy -- David Kleikamp IBM Linux Technology Center - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
