https://bugzilla.kernel.org/show_bug.cgi?id=88321 Bug ID: 88321 Summary: WARNING: CPU: 1 PID: 6784 at fs/dcache.c:1318 umount_check+0x77/0x7b() Product: File System Version: 2.5 Kernel Version: 3.17.1 Hardware: Intel OS: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: ext4 Assignee: fs_ext4@xxxxxxxxxxxxxxxxxxxx Reporter: dwayne@xxxxxx Regression: No Using a modified 3.17.1 kernel. Please see BUG 86661 (https://bugzilla.kernel.org/show_bug.cgi?id=86661) for the modifications implemented. We recently encountered the following information from the kernel ring buffer: [Fri Oct 31 19:15:13 2014] WARNING: CPU: 1 PID: 6784 at fs/dcache.c:1318 umount_check+0x77/0x7b() [Fri Oct 31 19:15:13 2014] Modules linked in: [Fri Oct 31 19:15:13 2014] CPU: 1 PID: 6784 Comm: umount.nfs4 Not tainted 3.17.1-gentoo20141023m-00002-gbe4fcc3 #2 [Fri Oct 31 19:15:13 2014] Hardware name: System manufacturer System Product Name/P6X58-E PRO, BIOS 0504 07/28/2011 [Fri Oct 31 19:15:13 2014] 0000000000000526 ffff88031c70fcc8 ffffffff81800a85 0000000000000000 [Fri Oct 31 19:15:13 2014] 0000000000000000 ffff88031c70fd08 ffffffff8103c4f3 ffff88031c70fd30 [Fri Oct 31 19:15:13 2014] ffffffff81125a28 ffff880316e7d010 0000000000015c80 ffff880326786901 [Fri Oct 31 19:15:13 2014] Call Trace: [Fri Oct 31 19:15:13 2014] [<ffffffff81800a85>] dump_stack+0x46/0x58 [Fri Oct 31 19:15:13 2014] [<ffffffff8103c4f3>] warn_slowpath_common+0x7c/0x96 [Fri Oct 31 19:15:13 2014] [<ffffffff81125a28>] ? umount_check+0x77/0x7b [Fri Oct 31 19:15:13 2014] [<ffffffff8103c522>] warn_slowpath_null+0x15/0x17 [Fri Oct 31 19:15:13 2014] [<ffffffff81125a28>] umount_check+0x77/0x7b [Fri Oct 31 19:15:13 2014] [<ffffffff811248c6>] d_walk+0x115/0x2d4 [Fri Oct 31 19:15:13 2014] [<ffffffff81126484>] ? do_one_tree+0x22/0x36 [Fri Oct 31 19:15:13 2014] [<ffffffff811259b1>] ? d_instantiate_unique+0x68/0x68 [Fri Oct 31 19:15:13 2014] [<ffffffff81126484>] do_one_tree+0x22/0x36 [Fri Oct 31 19:15:13 2014] [<ffffffff8112697d>] shrink_dcache_for_umount+0x59/0x6b [Fri Oct 31 19:15:13 2014] [<ffffffff8111537e>] generic_shutdown_super+0x1e/0xed [Fri Oct 31 19:15:13 2014] [<ffffffff811154c0>] kill_anon_super+0xe/0x19 [Fri Oct 31 19:15:13 2014] [<ffffffff8121e439>] nfs_kill_super+0x12/0x1e [Fri Oct 31 19:15:13 2014] [<ffffffff81115a02>] deactivate_locked_super+0x36/0x4b [Fri Oct 31 19:15:13 2014] [<ffffffff811160f1>] deactivate_super+0x3a/0x3e [Fri Oct 31 19:15:13 2014] [<ffffffff8112d0d4>] mntput_no_expire+0x1b0/0x1d2 [Fri Oct 31 19:15:13 2014] [<ffffffff8112e4b3>] ? SyS_umount+0x395/0x3aa [Fri Oct 31 19:15:13 2014] [<ffffffff8112e4b3>] SyS_umount+0x395/0x3aa [Fri Oct 31 19:15:13 2014] [<ffffffff81808412>] ? system_call_fastpath+0x16/0x1b [Fri Oct 31 19:15:13 2014] [<ffffffff810f072a>] ? vm_munmap+0x4e/0x5e [Fri Oct 31 19:15:13 2014] [<ffffffff8112cf24>] ? mnt_get_count+0x53/0x53 [Fri Oct 31 19:15:13 2014] [<ffffffff81808412>] system_call_fastpath+0x16/0x1b [Fri Oct 31 19:15:13 2014] ---[ end trace f8d9e04a1786ebb6 ]--- -- You are receiving this mail because: You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
