Bug #189: leaked dentry - Linux kernel client - Ceph

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Bug #189

closed

leaked dentry

Added by Sage Weil almost 14 years ago. Updated over 13 years ago.

Status:

Resolved

Priority:

High

Assignee:

Sage Weil

Category:

Target version:

v2.6.35

% Done:

Source:

Tags:

Backport:

Regression:

Severity:

Reviewed:

Affected Versions:

ceph-qa-suite:

Crash signature (v1):

Crash signature (v2):

Description

Running unstable, commit:e041c5f

I think this is triggered by bonnie.sh. The bonnie.sh below is the dir where the workunit script is run...

Jun  7 19:12:19 ceph4 kernel: [21532.266864] BUG: Dentry ffff88010c056818{i=1000002d64c,n=bonnie.sh} still in use (1) [unmount of ceph ceph]
Jun  7 19:12:19 ceph4 kernel: [21532.276811] ------------[ cut here ]------------
Jun  7 19:12:19 ceph4 kernel: [21532.280796] kernel BUG at fs/dcache.c:673!
Jun  7 19:12:19 ceph4 kernel: [21532.284650] invalid opcode: 0000 [#1] PREEMPT SMP 
Jun  7 19:12:19 ceph4 kernel: [21532.290476] last sysfs file: /sys/devices/LNXSYSTM:00/modalias
Jun  7 19:12:19 ceph4 kernel: [21532.290476] CPU 1 
Jun  7 19:12:19 ceph4 kernel: [21532.290476] Modules linked in: aes_x86_64 aes_generic ceph thermal fan button processor ac battery
Jun  7 19:12:19 ceph4 kernel: [21532.290476] 
Jun  7 19:12:19 ceph4 kernel: [21532.290476] Pid: 2139, comm: umount Not tainted 2.6.35-rc2+ #31 PDSMi+/PDSMi
Jun  7 19:12:19 ceph4 kernel: [21532.290476] RIP: 0010:[<ffffffff810c3e2d>]  [<ffffffff810c3e2d>] shrink_dcache_for_umount_subtree+0x191/0x270
Jun  7 19:12:19 ceph4 kernel: [21532.290476] RSP: 0000:ffff88011d83fdc8  EFLAGS: 00010292
Jun  7 19:12:19 ceph4 kernel: [21532.290476] RAX: 0000000000000075 RBX: ffff88010c056818 RCX: ffff88011d83ffd8
Jun  7 19:12:19 ceph4 kernel: [21532.290476] RDX: ffffffff81d12250 RSI: ffffffff81abd7c4 RDI: ffff88011328c690
Jun  7 19:12:19 ceph4 kernel: [21532.290476] RBP: ffff88011d83fdf8 R08: ffff88011d83fa68 R09: 0000000000000001
Jun  7 19:12:19 ceph4 kernel: [21532.290476] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88011c643d90
Jun  7 19:12:19 ceph4 kernel: [21532.290476] R13: ffff88010c0568b8 R14: 0000000000000001 R15: 0000000000000000
Jun  7 19:12:19 ceph4 kernel: [21532.290476] FS:  00007f84b9f97720(0000) GS:ffff880002800000(0000) knlGS:0000000000000000
Jun  7 19:12:19 ceph4 kernel: [21532.290476] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Jun  7 19:12:19 ceph4 kernel: [21532.290476] CR2: 00007f84b9b7e3c0 CR3: 00000001130be000 CR4: 00000000000006e0
Jun  7 19:12:19 ceph4 kernel: [21532.290476] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jun  7 19:12:19 ceph4 kernel: [21532.290476] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jun  7 19:12:19 ceph4 kernel: [21532.290476] Process umount (pid: 2139, threadinfo ffff88011d83e000, task ffff88011328c690)
Jun  7 19:12:19 ceph4 kernel: [21532.290476] Stack:
Jun  7 19:12:19 ceph4 kernel: [21532.290476]  ffff88011d853a38 ffff88011ca12310 ffff88011d853578 ffff88011ca12000
Jun  7 19:12:19 ceph4 kernel: [21532.290476] <0> ffffffffa006b940 ffff88011cbed268 ffff88011d83fe18 ffffffff810c48ec
Jun  7 19:12:19 ceph4 kernel: [21532.290476] <0> ffff88011ca12310 ffff88011d853578 ffff88011d83fe48 ffffffff810b5864
Jun  7 19:12:19 ceph4 kernel: [21532.290476] Call Trace:
Jun  7 19:12:19 ceph4 kernel: [21532.290476]  [<ffffffff810c48ec>] shrink_dcache_for_umount+0x37/0x47
Jun  7 19:12:19 ceph4 kernel: [21532.290476]  [<ffffffff810b5864>] generic_shutdown_super+0x20/0xd5
Jun  7 19:12:19 ceph4 kernel: [21532.290476]  [<ffffffff810b5964>] kill_anon_super+0x11/0x4f
Jun  7 19:12:19 ceph4 kernel: [21532.290476]  [<ffffffffa0037432>] ceph_kill_sb+0x41/0x7a [ceph]
Jun  7 19:12:19 ceph4 kernel: [21532.290476]  [<ffffffff810b502d>] deactivate_locked_super+0x21/0x41
Jun  7 19:12:19 ceph4 kernel: [21532.290476]  [<ffffffff810b5491>] deactivate_super+0x43/0x48
Jun  7 19:12:19 ceph4 kernel: [21532.290476]  [<ffffffff810c9851>] mntput_no_expire+0x74/0xa7
Jun  7 19:12:19 ceph4 kernel: [21532.290476]  [<ffffffff810c9d8c>] sys_umount+0x2b8/0x2e5
Jun  7 19:12:19 ceph4 kernel: [21532.290476]  [<ffffffff810029eb>] system_call_fastpath+0x16/0x1b
Jun  7 19:12:19 ceph4 kernel: [21532.290476] Code: 04 00 00 48 8b 40 28 48 85 f6 48 8b 00 74 04 48 8b 56 40 48 89 3c 24 49 89 c1 48 89 de 48 c7 c7 02 63 5a 81 31 c0 e8 41 30 f7 ff <0f> 0b eb fe 48 8b 43 68 45 31 e4 48 39 c3 74 06 49 89 c4 f0 ff 
Jun  7 19:12:19 ceph4 kernel: [21532.290476] RIP  [<ffffffff810c3e2d>] shrink_dcache_for_umount_subtree+0x191/0x270
Jun  7 19:12:19 ceph4 kernel: [21532.290476]  RSP <ffff88011d83fdc8>
Jun  7 19:12:19 ceph4 kernel: [21532.530448] ---[ end trace 90779b2ec6ce85f4 ]---