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Red Hat Bugzilla – Attachment 299083 Details for
Bug 438912
prism54_get_wireless_stats+0x21/0x9c [prism54]
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/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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Description:
/var/log/messages exerpt
Filename:
MIME Type:
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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bug 438912
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