From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ted Ts'o Subject: Re: [Bug #19062] Dirtiable inode bdi default != sb bdi btrfs Date: Sat, 2 Oct 2010 22:27:07 -0400 Message-ID: <20101003022707.GN21129@thunk.org> References: <20101002165433.GL21129@thunk.org> <201010022358.35972.rjw@sisk.pl> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <201010022358.35972.rjw-KKrjLPT3xs0@public.gmane.org> Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: "Rafael J. Wysocki" Cc: Andrew Morton , Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , Florian Mickler , Cesar Eduardo Barros , Tejun Heo , Jens Axboe On Sat, Oct 02, 2010 at 11:58:35PM +0200, Rafael J. Wysocki wrote: > On Saturday, October 02, 2010, Ted Ts'o wrote: > > On Sun, Sep 26, 2010 at 10:04:15PM +0200, Rafael J. Wysocki wrote: > > > The following bug entry is on the current list of known regressions > > > from 2.6.35. Please verify if it still should be listed and let the tracking team > > > know (either way). > > > > > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=19062 > > > Subject : Dirtiable inode bdi default != sb bdi btrfs > > > Submitter : Cesar Eduardo Barros > > > Date : 2010-09-23 0:54 (4 days old) > > > Message-ID : <4C9AA546.6050201-PWySMVKUnqmsTnJN9+BGXg@public.gmane.org> > > > References : http://marc.info/?l=linux-kernel&m=128520328929595&w=2 > > > > Note: I'm seeing this warning (Dirtiable inode bdi default != sb bdi) > > when I moved from 2.6.36-rc3 to 2.6.36-rc6, using ext4 as a root > > partition, and running mke2fs and e2fsck on ext2, ext3, and ext4 file > > systems. So I'm seeing this as a known regression from rc3 to rc6. > > Maybe it's different bug with ext4, but in any case, it's highly > > annoying. > > Thanks for the info. I wonder who should see this report. Oops, correction, the correct warning that I'm seeing is: Dirtiable inode bdi block != sb bdi block ^^^^^ ^^^^^ ------------[ cut here ]------------ WARNING: at /usr/projects/linux/ext4/fs/fs-writeback.c:87 inode_to_bdi+0x4e/0x5c() Hardware name: Dirtiable inode bdi block != sb bdi block Modules linked in: Pid: 21649, comm: mkfs.ext4 Tainted: G W 2.6.36-rc6-00016-gcc25699 #735 Call Trace: [] warn_slowpath_common+0x6a/0x7f [] ? inode_to_bdi+0x4e/0x5c [] warn_slowpath_fmt+0x2b/0x2f [] inode_to_bdi+0x4e/0x5c [] __mark_inode_dirty+0xaf/0x162 [] file_update_time+0xcc/0xe9 [] __generic_file_aio_write+0x136/0x28f [] blkdev_aio_write+0x33/0x72 [] do_sync_write+0x8f/0xca [] ? mutex_unlock+0xd/0xf [] ? security_file_permission+0x27/0x2b [] ? rw_verify_area+0x9d/0xc0 [] ? do_sync_write+0x0/0xca [] vfs_write+0x85/0xe3 [] sys_write+0x40/0x62 [] syscall_call+0x7/0xb ---[ end trace 1f39401760ab3a42 ]--- - Ted