From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id q3T0lCBV066360 for ; Sat, 28 Apr 2012 19:47:13 -0500 Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id pBbrWYysiEl1PCXx for ; Sat, 28 Apr 2012 17:47:10 -0700 (PDT) Date: Sun, 29 Apr 2012 10:21:29 +1000 From: Dave Chinner Subject: Re: [PATCH 00/37] xfs: current 3.4 patch queue Message-ID: <20120429002129.GO9541@dastard> References: <1335160747-17254-1-git-send-email-david@fromorbit.com> <20120428021546.GI16881@sgi.com> <20120428212833.GJ16881@sgi.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20120428212833.GJ16881@sgi.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Ben Myers Cc: xfs@oss.sgi.com On Sat, Apr 28, 2012 at 04:28:33PM -0500, Ben Myers wrote: > On Fri, Apr 27, 2012 at 09:15:46PM -0500, Ben Myers wrote: > > I want to pull this in and have been testing toward that end. With Jan's > > patches this seems to be working well. > > Another BUG without Jan's patches: > > [ 1811.832319] BUG: unable to handle kernel NULL pointer dereference at 0000000000000038 > [ 1811.833303] IP: [] _raw_spin_lock+0x9/0x30 > [ 1811.833303] PGD 128d0d067 PUD 128675067 PMD 0 > [ 1811.833303] Oops: 0002 [#1] SMP > [ 1811.833303] CPU 2 > [ 1811.833303] Modules linked in: xfs(O) nfsd exportfs e1000e > [ 1811.833303] > [ 1811.833303] Pid: 12942, comm: kworker/2:15 Tainted: G O 3.4.0-rc2+ #3 SGI.COM AltixXE310/X7DGT-INF > [ 1811.833303] RIP: 0010:[] [] _raw_spin_lock+0x9/0x30 > [ 1811.833303] RSP: 0018:ffff880129235b40 EFLAGS: 00010286 > [ 1811.833303] RAX: 0000000000000100 RBX: ffff880128685480 RCX: 0000000000000000 > [ 1811.833303] RDX: 0000000f00004cb5 RSI: ffff880128685480 RDI: 0000000000000038 > [ 1811.833303] RBP: ffff880129235b40 R08: ffff88012870ab00 R09: 0000000000000000 > [ 1811.833303] R10: 0000000000000400 R11: 0000000000000001 R12: ffff88012870ad80 > [ 1811.833303] R13: ffff880126e5c180 R14: ffff880126e5c1b0 R15: ffff880128f48780 > [ 1811.833303] FS: 0000000000000000(0000) GS:ffff88012fd00000(0000) knlGS:0000000000000000 > [ 1811.833303] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 1811.833303] CR2: 0000000000000038 CR3: 0000000128aa2000 CR4: 00000000000007e0 > [ 1811.833303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 1811.833303] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 1811.833303] Process kworker/2:15 (pid: 12942, threadinfo ffff880129234000, task ffff88012ab83a80) > [ 1811.833303] Stack: > [ 1811.833303] ffff880129235cd0 ffffffffa00b8531 0000000000000000 0000000000001000 > [ 1811.833303] 0000000000000000 0000000f00004cb5 0000000000000000 0000000000000038 > [ 1811.833303] 0000000000000001 0000000000000000 0000000000000000 0000000000000000 > [ 1811.833303] Call Trace: > [ 1811.833303] [] xfs_trans_committed_bulk+0x41/0x300 [xfs] > [ 1811.833303] [] ? try_to_wake_up+0x1fe/0x280 > [ 1811.833303] [] xlog_cil_committed+0x36/0x130 [xfs] > [ 1811.833303] [] xlog_state_do_callback+0x16d/0x390 [xfs] > [ 1811.833303] [] xlog_state_done_syncing+0xe7/0x110 [xfs] > [ 1811.833303] [] xlog_iodone+0x7e/0x100 [xfs] > [ 1811.833303] [] xfs_buf_iodone_work+0x21/0x50 [xfs] > [ 1811.833303] [] process_one_work+0x158/0x440 Look slike the same thing - a NULL ailp, which implies the callback occurred while the log is being torn down.. Cheers, Dave. -- Dave Chinner david@fromorbit.com _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs