From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chandan Rajendra Subject: Hung task when executing generic/256 test Date: Tue, 08 May 2018 11:56:44 +0530 Message-ID: <2479794.CdILPghxpW@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-1.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1fFyp5-00067q-Lx for linux-f2fs-devel@lists.sourceforge.net; Tue, 08 May 2018 09:22:15 +0000 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) id 1fFyp4-009NUA-1E for linux-f2fs-devel@lists.sourceforge.net; Tue, 08 May 2018 09:22:15 +0000 Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w486Onkn081740 for ; Tue, 8 May 2018 02:25:08 -0400 Received: from e06smtp12.uk.ibm.com (e06smtp12.uk.ibm.com [195.75.94.108]) by mx0a-001b2d01.pphosted.com with ESMTP id 2hu5h6ac9n-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 08 May 2018 02:25:08 -0400 Received: from localhost by e06smtp12.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 8 May 2018 07:25:06 +0100 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w486P2kL5636586 for ; Tue, 8 May 2018 06:25:02 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id DE83A5204B for ; Tue, 8 May 2018 06:15:22 +0100 (BST) Received: from localhost.localdomain (unknown [9.199.53.28]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id A048452049 for ; Tue, 8 May 2018 06:15:22 +0100 (BST) List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: linux-f2fs-devel@lists.sourceforge.net Hi, The following "Hung task" information is seen when executing generic/256 test on next-20180503. [ 1964.025145] F2FS-fs (loop1): Mounted with checkpoint version = 22d8b4fd [ 2212.833962] INFO: task umount:16199 blocked for more than 120 seconds. [ 2212.835736] Tainted: G W 4.17.0-rc3-next-20180503-04271-g6eb58cf86baa #1 [ 2212.837944] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2212.840002] umount D14184 16199 16195 0x00000000 [ 2212.841470] Call Trace: [ 2212.842211] ? __schedule+0x28a/0xad0 [ 2212.843234] schedule+0x2f/0x90 [ 2212.844122] io_schedule+0x12/0x40 [ 2212.845071] wait_on_page_bit_common+0xe2/0x160 [ 2212.846159] ? page_cache_tree_insert+0x130/0x130 [ 2212.846827] __filemap_fdatawait_range+0xe5/0x150 [ 2212.847473] ? sync_inodes_sb+0x1ff/0x450 [ 2212.848050] filemap_fdatawait_keep_errors+0x1a/0x40 [ 2212.848751] sync_inodes_sb+0x262/0x450 [ 2212.849282] sync_filesystem+0x57/0x90 [ 2212.849821] generic_shutdown_super+0x22/0x100 [ 2212.850435] kill_block_super+0x21/0x50 [ 2212.850989] deactivate_locked_super+0x2f/0x70 [ 2212.851596] cleanup_mnt+0x3b/0x70 [ 2212.852092] task_work_run+0xa1/0xd0 [ 2212.852580] exit_to_usermode_loop+0x83/0x90 [ 2212.853185] do_syscall_64+0x157/0x180 [ 2212.853725] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2212.854420] RIP: 0033:0x7fadbca7d357 [ 2212.854935] Code: Bad RIP value. [ 2212.855384] RSP: 002b:00007ffe15b2bbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 2212.856418] RAX: 0000000000000000 RBX: 0000561162acc2d0 RCX: 00007fadbca7d357 [ 2212.857393] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000561162ad1390 [ 2212.858391] RBP: 0000000000000000 R08: 000000000000fef8 R09: 0000feff00000000 [ 2212.859367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561162ad1390 [ 2212.860345] R13: 00007fadbd8231a4 R14: 0000561162acc4b0 R15: 00007ffe15b2be28 The following is the contents of the xfstests' local.config file, # F2FS export TEST_DEV=/dev/loop0 export TEST_DIR=/mnt/xfstest-test export SCRATCH_DEV=/dev/loop1 export SCRATCH_MNT=/mnt/xfstest-scratch MKFS_OPTIONS="-O encrypt" MOUNT_OPTIONS="-o test_dummy_encryption" -- chandan ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot