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Red Hat Bugzilla – Attachment 302221 Details for
Bug 442180
jbd/xattr lockdep trace.
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Log excerpt [ INFO: possible circular locking dependency detected ]
circular-lock-trace.txt (text/plain), 6.14 KB, created by
Bill Crawford
on 2008-04-12 14:31:40 UTC
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Description:
Log excerpt [ INFO: possible circular locking dependency detected ]
Filename:
MIME Type:
Creator:
Bill Crawford
Created:
2008-04-12 14:31:40 UTC
Size:
6.14 KB
patch
obsolete
> >======================================================= >[ INFO: possible circular locking dependency detected ] >2.6.25-0.195.rc8.git1.fc9.i686 #1 >------------------------------------------------------- >yum/12720 is trying to acquire lock: > (jbd_handle){--..}, at: [<e085d8ff>] journal_start+0xcf/0xf0 [jbd] > >but task is already holding lock: > (&ei->xattr_sem){----}, at: [<e0899c1f>] ext3_xattr_get+0x2a/0x23b [ext3] > >which lock already depends on the new lock. > > >the existing dependency chain (in reverse order) is: > >-> #1 (&ei->xattr_sem){----}: > [__lock_acquire+2713/3089] __lock_acquire+0xa99/0xc11 > [lock_acquire+106/144] lock_acquire+0x6a/0x90 > [down_read+48/106] down_read+0x30/0x6a > [<e0899c1f>] ext3_xattr_get+0x2a/0x23b [ext3] > [<e089a577>] ext3_get_acl+0xd2/0x2f2 [ext3] > [<e089a9f0>] ext3_init_acl+0x40/0x140 [ext3] > [<e088cbb8>] ext3_new_inode+0x8d2/0x8eb [ext3] > [<e08927b1>] ext3_create+0x85/0xeb [ext3] > [vfs_create+189/300] vfs_create+0xbd/0x12c > [open_namei+351/1455] open_namei+0x15f/0x5af > [do_filp_open+31/53] do_filp_open+0x1f/0x35 > [do_sys_open+64/181] do_sys_open+0x40/0xb5 > [sys_open+22/24] sys_open+0x16/0x18 > [syscall_call+7/11] syscall_call+0x7/0xb > [<ffffffff>] 0xffffffff > >-> #0 (jbd_handle){--..}: > [__lock_acquire+2488/3089] __lock_acquire+0x9b8/0xc11 > [lock_acquire+106/144] lock_acquire+0x6a/0x90 > [<e085d913>] journal_start+0xe3/0xf0 [jbd] > [<e0896774>] ext3_journal_start_sb+0x40/0x42 [ext3] > [<e088e2af>] ext3_ordered_writepage+0x45/0x116 [ext3] > [shrink_page_list+840/1415] shrink_page_list+0x348/0x587 > [shrink_inactive_list+292/779] shrink_inactive_list+0x124/0x30b > [shrink_zone+187/218] shrink_zone+0xbb/0xda > [try_to_free_pages+337/563] try_to_free_pages+0x151/0x233 > [__alloc_pages+494/815] __alloc_pages+0x1ee/0x32f > [__slab_alloc+430/1355] __slab_alloc+0x1ae/0x54b > [kmem_cache_alloc+98/196] kmem_cache_alloc+0x62/0xc4 > [<e082464c>] mb_cache_entry_alloc+0x13/0x3f [mbcache] > [<e0898e07>] ext3_xattr_cache_insert+0x1d/0x55 [ext3] > [<e0899df7>] ext3_xattr_get+0x202/0x23b [ext3] > [<e089abcc>] ext3_xattr_security_get+0x33/0x41 [ext3] > [generic_getxattr+101/104] generic_getxattr+0x65/0x68 > [inode_doinit_with_dentry+344/1277] inode_doinit_with_dentry+0x158/0x4fd > [selinux_d_instantiate+18/20] selinux_d_instantiate+0x12/0x14 > [security_d_instantiate+28/30] security_d_instantiate+0x1c/0x1e > [d_splice_alias+169/203] d_splice_alias+0xa9/0xcb > [<e0892a36>] ext3_lookup+0x7b/0xa2 [ext3] > [do_lookup+167/326] do_lookup+0xa7/0x146 > [__link_path_walk+2250/3378] __link_path_walk+0x8ca/0xd32 > [path_walk+76/155] path_walk+0x4c/0x9b > [do_path_lookup+408/481] do_path_lookup+0x198/0x1e1 > [__user_walk_fd+47/67] __user_walk_fd+0x2f/0x43 > [vfs_stat_fd+25/64] vfs_stat_fd+0x19/0x40 > [vfs_stat+17/19] vfs_stat+0x11/0x13 > [sys_stat64+20/43] sys_stat64+0x14/0x2b > [syscall_call+7/11] syscall_call+0x7/0xb > [<ffffffff>] 0xffffffff > >other info that might help us debug this: > >3 locks held by yum/12720: > #0: (&type->i_mutex_dir_key#4){--..}, at: [do_lookup+114/326] do_lookup+0x72/0x146 > #1: (&isec->lock){--..}, at: [inode_doinit_with_dentry+56/1277] inode_doinit_with_dentry+0x38/0x4fd > #2: (&ei->xattr_sem){----}, at: [<e0899c1f>] ext3_xattr_get+0x2a/0x23b [ext3] > >stack backtrace: >Pid: 12720, comm: yum Not tainted 2.6.25-0.195.rc8.git1.fc9.i686 #1 > [print_circular_bug_tail+91/102] print_circular_bug_tail+0x5b/0x66 > [print_circular_bug_header+166/177] ? print_circular_bug_header+0xa6/0xb1 > [__lock_acquire+2488/3089] __lock_acquire+0x9b8/0xc11 > [<e085d75a>] ? start_this_handle+0x2d1/0x2f0 [jbd] > [lock_acquire+106/144] lock_acquire+0x6a/0x90 > [<e085d8ff>] ? journal_start+0xcf/0xf0 [jbd] > [<e085d913>] journal_start+0xe3/0xf0 [jbd] > [<e085d8ff>] ? journal_start+0xcf/0xf0 [jbd] > [<e0896774>] ext3_journal_start_sb+0x40/0x42 [ext3] > [<e088e2af>] ext3_ordered_writepage+0x45/0x116 [ext3] > [shrink_page_list+840/1415] shrink_page_list+0x348/0x587 > [list_add+10/15] ? list_add+0xa/0xf > [isolate_lru_pages+132/370] ? isolate_lru_pages+0x84/0x172 > [native_sched_clock+181/209] ? native_sched_clock+0xb5/0xd1 > [shrink_inactive_list+292/779] shrink_inactive_list+0x124/0x30b > [shrink_zone+187/218] shrink_zone+0xbb/0xda > [try_to_free_pages+337/563] try_to_free_pages+0x151/0x233 > [get_page_from_freelist+151/1010] ? get_page_from_freelist+0x97/0x3f2 > [isolate_pages_global+0/62] ? isolate_pages_global+0x0/0x3e > [__alloc_pages+494/815] __alloc_pages+0x1ee/0x32f > [__slab_alloc+430/1355] __slab_alloc+0x1ae/0x54b > [kmem_cache_alloc+98/196] kmem_cache_alloc+0x62/0xc4 > [<e082464c>] ? mb_cache_entry_alloc+0x13/0x3f [mbcache] > [<e082464c>] ? mb_cache_entry_alloc+0x13/0x3f [mbcache] > [<e082464c>] mb_cache_entry_alloc+0x13/0x3f [mbcache] > [<e0898e07>] ext3_xattr_cache_insert+0x1d/0x55 [ext3] > [<e0899df7>] ext3_xattr_get+0x202/0x23b [ext3] > [__slab_alloc+1222/1355] ? __slab_alloc+0x4c6/0x54b > [<e089abcc>] ext3_xattr_security_get+0x33/0x41 [ext3] > [generic_getxattr+101/104] generic_getxattr+0x65/0x68 > [inode_doinit_with_dentry+344/1277] inode_doinit_with_dentry+0x158/0x4fd > [d_splice_alias+160/203] ? d_splice_alias+0xa0/0xcb > [selinux_d_instantiate+18/20] selinux_d_instantiate+0x12/0x14 > [security_d_instantiate+28/30] security_d_instantiate+0x1c/0x1e > [d_splice_alias+169/203] d_splice_alias+0xa9/0xcb > [<e0892a36>] ext3_lookup+0x7b/0xa2 [ext3] > [do_lookup+167/326] do_lookup+0xa7/0x146 > [__link_path_walk+2250/3378] __link_path_walk+0x8ca/0xd32 > [native_sched_clock+181/209] ? native_sched_clock+0xb5/0xd1 > [lock_release_holdtime+26/277] ? lock_release_holdtime+0x1a/0x115 > [path_walk+76/155] path_walk+0x4c/0x9b > [do_path_lookup+408/481] do_path_lookup+0x198/0x1e1 > [__user_walk_fd+47/67] __user_walk_fd+0x2f/0x43 > [vfs_stat_fd+25/64] vfs_stat_fd+0x19/0x40 > [vfs_stat+17/19] vfs_stat+0x11/0x13 > [sys_stat64+20/43] sys_stat64+0x14/0x2b > [restore_nocheck+18/21] ? restore_nocheck+0x12/0x15 > [trace_hardirqs_on+233/266] ? trace_hardirqs_on+0xe9/0x10a > [restore_nocheck+18/21] ? restore_nocheck+0x12/0x15 > [syscall_call+7/11] syscall_call+0x7/0xb > =======================
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bug 442180
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