Attachment 299083 Details for Bug 438912 – /var/log/messages exerpt

/var/log/messages exerpt

problem (text/plain), 6.84 KB, created by Peter F. Patel-Schneider on 2008-03-25 23:50:57 UTC

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Creator: Peter F. Patel-Schneider

Created: 2008-03-25 23:50:57 UTC

Size: 6.84 KB

patch

obsolete

>Mar 25 19:00:21 idefix kernel: 
>Mar 25 19:00:21 idefix kernel: =======================================================
>Mar 25 19:00:21 idefix kernel: [ INFO: possible circular locking dependency detected ]
>Mar 25 19:00:21 idefix kernel: 2.6.25-0.121.rc5.git4.fc9 #1
>Mar 25 19:00:21 idefix kernel: -------------------------------------------------------
>Mar 25 19:00:21 idefix kernel: iwl3945/1399 is trying to acquire lock:
>Mar 25 19:00:21 idefix kernel:  (rtnl_mutex){--..}, at: [rtnl_lock+15/17] rtnl_lock+0xf/0x11
>Mar 25 19:00:21 idefix kernel: 
>Mar 25 19:00:21 idefix kernel: but task is already holding lock:
>Mar 25 19:00:21 idefix kernel:  (&ifsta->work){--..}, at: [run_workqueue+145/417] run_workqueue+0x91/0x1a1
>Mar 25 19:00:21 idefix kernel: 
>Mar 25 19:00:21 idefix kernel: which lock already depends on the new lock.
>Mar 25 19:00:21 idefix kernel: 
>Mar 25 19:00:21 idefix kernel: 
>Mar 25 19:00:21 idefix kernel: the existing dependency chain (in reverse order) is:
>Mar 25 19:00:21 idefix kernel: 
>Mar 25 19:00:21 idefix kernel: -> #2 (&ifsta->work){--..}:
>Mar 25 19:00:21 idefix kernel:        [__lock_acquire+2713/3089] __lock_acquire+0xa99/0xc11
>Mar 25 19:00:21 idefix kernel:        [lock_acquire+106/144] lock_acquire+0x6a/0x90
>Mar 25 19:00:21 idefix kernel:        [run_workqueue+205/417] run_workqueue+0xcd/0x1a1
>Mar 25 19:00:21 idefix kernel:        [worker_thread+182/194] worker_thread+0xb6/0xc2
>Mar 25 19:00:21 idefix kernel:        [kthread+59/97] kthread+0x3b/0x61
>Mar 25 19:00:21 idefix kernel:        [kernel_thread_helper+7/16] kernel_thread_helper+0x7/0x10
>Mar 25 19:00:21 idefix kernel:        [<ffffffff>] 0xffffffff
>Mar 25 19:00:21 idefix kernel: 
>Mar 25 19:00:21 idefix kernel: -> #1 ((name)){--..}:
>Mar 25 19:00:21 idefix kernel:        [__lock_acquire+2713/3089] __lock_acquire+0xa99/0xc11
>Mar 25 19:00:21 idefix kernel:        [lock_acquire+106/144] lock_acquire+0x6a/0x90
>Mar 25 19:00:21 idefix kernel:        [flush_workqueue+68/133] flush_workqueue+0x44/0x85
>Mar 25 19:00:21 idefix kernel:        [<f8a02421>] ieee80211_stop+0x28d/0x348 [mac80211]
>Mar 25 19:00:21 idefix kernel:        [dev_close+82/111] dev_close+0x52/0x6f
>Mar 25 19:00:21 idefix kernel:        [dev_change_flags+159/338] dev_change_flags+0x9f/0x152
>Mar 25 19:00:21 idefix kernel:        [do_setlink+586/764] do_setlink+0x24a/0x2fc
>Mar 25 19:00:21 idefix kernel:        [rtnl_setlink+226/230] rtnl_setlink+0xe2/0xe6
>Mar 25 19:00:21 idefix kernel:        [rtnetlink_rcv_msg+418/444] rtnetlink_rcv_msg+0x1a2/0x1bc
>Mar 25 19:00:21 idefix kernel:        [netlink_rcv_skb+48/134] netlink_rcv_skb+0x30/0x86
>Mar 25 19:00:21 idefix kernel:        [rtnetlink_rcv+30/38] rtnetlink_rcv+0x1e/0x26
>Mar 25 19:00:21 idefix kernel:        [netlink_unicast+439/533] netlink_unicast+0x1b7/0x215
>Mar 25 19:00:21 idefix kernel:        [netlink_sendmsg+600/613] netlink_sendmsg+0x258/0x265
>Mar 25 19:00:21 idefix kernel:        [sock_sendmsg+222/249] sock_sendmsg+0xde/0xf9
>Mar 25 19:00:21 idefix kernel:        [sys_sendmsg+319/402] sys_sendmsg+0x13f/0x192
>Mar 25 19:00:21 idefix kernel:        [sys_socketcall+363/392] sys_socketcall+0x16b/0x188
>Mar 25 19:00:21 idefix kernel:        [syscall_call+7/11] syscall_call+0x7/0xb
>Mar 25 19:00:21 idefix kernel:        [<ffffffff>] 0xffffffff
>Mar 25 19:00:21 idefix kernel: 
>Mar 25 19:00:21 idefix kernel: -> #0 (rtnl_mutex){--..}:
>Mar 25 19:00:21 idefix kernel:        [__lock_acquire+2488/3089] __lock_acquire+0x9b8/0xc11
>Mar 25 19:00:21 idefix kernel:        [lock_acquire+106/144] lock_acquire+0x6a/0x90
>Mar 25 19:00:21 idefix kernel:        [mutex_lock_nested+219/625] mutex_lock_nested+0xdb/0x271
>Mar 25 19:00:21 idefix kernel:        [rtnl_lock+15/17] rtnl_lock+0xf/0x11
>Mar 25 19:00:21 idefix kernel:        [<f8a0a628>] ieee80211_associated+0x15c/0x19b [mac80211]
>Mar 25 19:00:21 idefix kernel:        [<f8a0ceaa>] ieee80211_sta_work+0x15ad/0x172a [mac80211]
>Mar 25 19:00:21 idefix kernel:        [run_workqueue+211/417] run_workqueue+0xd3/0x1a1
>Mar 25 19:00:21 idefix kernel:        [worker_thread+182/194] worker_thread+0xb6/0xc2
>Mar 25 19:00:21 idefix kernel:        [kthread+59/97] kthread+0x3b/0x61
>Mar 25 19:00:21 idefix kernel:        [kernel_thread_helper+7/16] kernel_thread_helper+0x7/0x10
>Mar 25 19:00:21 idefix kernel:        [<ffffffff>] 0xffffffff
>Mar 25 19:00:21 idefix kernel: 
>Mar 25 19:00:21 idefix kernel: other info that might help us debug this:
>Mar 25 19:00:21 idefix kernel: 
>Mar 25 19:00:21 idefix kernel: 2 locks held by iwl3945/1399:
>Mar 25 19:00:21 idefix kernel:  #0:  ((name)){--..}, at: [run_workqueue+145/417] run_workqueue+0x91/0x1a1
>Mar 25 19:00:21 idefix kernel:  #1:  (&ifsta->work){--..}, at: [run_workqueue+145/417] run_workqueue+0x91/0x1a1
>Mar 25 19:00:21 idefix kernel: 
>Mar 25 19:00:21 idefix kernel: stack backtrace:
>Mar 25 19:00:21 idefix kernel: Pid: 1399, comm: iwl3945 Not tainted 2.6.25-0.121.rc5.git4.fc9 #1
>Mar 25 19:00:21 idefix kernel:  [print_circular_bug_tail+91/102] print_circular_bug_tail+0x5b/0x66
>Mar 25 19:00:21 idefix kernel:  [print_circular_bug_entry+57/67] ? print_circular_bug_entry+0x39/0x43
>Mar 25 19:00:21 idefix kernel:  [__lock_acquire+2488/3089] __lock_acquire+0x9b8/0xc11
>Mar 25 19:00:21 idefix kernel:  [native_sched_clock+181/209] ? native_sched_clock+0xb5/0xd1
>Mar 25 19:00:21 idefix kernel:  [trace_hardirqs_on+233/266] ? trace_hardirqs_on+0xe9/0x10a
>Mar 25 19:00:21 idefix kernel:  [lock_acquire+106/144] lock_acquire+0x6a/0x90
>Mar 25 19:00:21 idefix kernel:  [rtnl_lock+15/17] ? rtnl_lock+0xf/0x11
>Mar 25 19:00:21 idefix kernel:  [mutex_lock_nested+219/625] mutex_lock_nested+0xdb/0x271
>Mar 25 19:00:21 idefix kernel:  [rtnl_lock+15/17] ? rtnl_lock+0xf/0x11
>Mar 25 19:00:21 idefix kernel:  [rtnl_lock+15/17] ? rtnl_lock+0xf/0x11
>Mar 25 19:00:21 idefix kernel:  [rtnl_lock+15/17] rtnl_lock+0xf/0x11
>Mar 25 19:00:21 idefix kernel:  [<f8a0a628>] ieee80211_associated+0x15c/0x19b [mac80211]
>Mar 25 19:00:21 idefix kernel:  [<f8a0ceaa>] ieee80211_sta_work+0x15ad/0x172a [mac80211]
>Mar 25 19:00:21 idefix kernel:  [native_sched_clock+181/209] ? native_sched_clock+0xb5/0xd1
>Mar 25 19:00:21 idefix kernel:last message repeated 3 times
>Mar 25 19:00:21 idefix kernel:  [sched_clock+8/11] ? sched_clock+0x8/0xb
>Mar 25 19:00:21 idefix kernel:  [run_workqueue+211/417] run_workqueue+0xd3/0x1a1
>Mar 25 19:00:21 idefix kernel:  [run_workqueue+145/417] ? run_workqueue+0x91/0x1a1
>Mar 25 19:00:21 idefix kernel:  [<f8a0b8fd>] ? ieee80211_sta_work+0x0/0x172a [mac80211]
>Mar 25 19:00:21 idefix kernel:  [worker_thread+182/194] worker_thread+0xb6/0xc2
>Mar 25 19:00:21 idefix kernel:  [autoremove_wake_function+0/51] ? autoremove_wake_function+0x0/0x33
>Mar 25 19:00:21 idefix kernel:  [worker_thread+0/194] ? worker_thread+0x0/0xc2
>Mar 25 19:00:21 idefix kernel:  [kthread+59/97] kthread+0x3b/0x61
>Mar 25 19:00:21 idefix kernel:  [kthread+0/97] ? kthread+0x0/0x61
>Mar 25 19:00:21 idefix kernel:  [kernel_thread_helper+7/16] kernel_thread_helper+0x7/0x10
>Mar 25 19:00:21 idefix kernel:  =======================

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Attachments on bug 438912: 299083 | 299218