From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cantor2.suse.de ([195.135.220.15]:50001 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752472AbbBRKmA (ORCPT ); Wed, 18 Feb 2015 05:42:00 -0500 Date: Wed, 18 Feb 2015 11:41:55 +0100 From: Jan Kara Subject: Re: Test xfs/106 failure Message-ID: <20150218104155.GC4614@quack.suse.cz> References: <20150217163149.GA1824@quack.suse.cz> <20150218102126.GA2631@posteo.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150218102126.GA2631@posteo.de> Sender: fstests-owner@vger.kernel.org To: Dongsu Park Cc: Jan Kara , fstests@vger.kernel.org List-ID: On Wed 18-02-15 11:21:26, Dongsu Park wrote: > Hi Jan, > > On 17.02.2015 17:31, Jan Kara wrote: > > Hello, > > I'm consistently getting failure in xfs/106 test because the files > > created by fsstress are just completely different from what they are > > expected to be. It almost seems as if the random numbers generated for > > fsstress are different. Anyone has seen this as well? > > That reminds me of a bug that has occurred every time when I run xfs/106. > The crash happens only with CONFIG_XFS_DEBUG enabled. > When I first discovered that, I disabled CONFIG_XFS_DEBUG as a workaround. > As far as I remember, it started to occur since 3.19-rc?, and the first > bad commit was 14bf61ffe6ac ("quota: Switch ->get_dqblk() and ->set_dqblk() > to use bytes as space units"). I just tested it again with > linux-block.git/for-3.20/drivers. The bug is still there. Yesterday, I've sent a patch which should fix this (http://www.spinics.net/lists/stable/msg79800.html). Above commit just uncovered a long standing problem in XFS quota implementation... Honza > ==== > XFS (vdc1): Quotacheck: Done. > XFS: Assertion failed: dst->d_spc_timer != 0, file: fs/xfs/xfs_qm_syscalls.c, line: 893 > ------------[ cut here ]------------ > kernel BUG at fs/xfs/xfs_message.c:106! > invalid opcode: 0000 [#1] SMP > CPU: 0 PID: 4031 Comm: xfs_quota Tainted: G W 3.19.0-rc7+ #174 > RIP: 0010:[] [] assfail+0x22/0x30 > Call Trace: > [] xfs_qm_scall_getquota+0x284/0x330 > [] xfs_fs_get_dqblk+0x68/0x90 > [] quota_getxquota+0x6f/0x200 > [] SyS_quotactl+0x4cc/0x740 > [] ? sysret_check+0x1b/0x56 > [] ? trace_hardirqs_on_thunk+0x3a/0x3f > [] system_call_fastpath+0x12/0x17 > RIP [] assfail+0x22/0x30 > RSP > ---[ end trace 308df0cc6a9ba1d0 ]--- > ==== > > > Honza > > > > -- > > Jan Kara > > SUSE Labs, CR > > -- > > To unsubscribe from this list: send the line "unsubscribe fstests" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Jan Kara SUSE Labs, CR