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Red Hat Bugzilla – Attachment 313327 Details for
Bug 457714
lockdep warning in wifi stack with kernel-2.6.27-0.215.rc1.git4
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lockdep spew
lockdep.txt (text/plain), 22.27 KB, created by
David Nielsen
on 2008-08-04 07:16:26 UTC
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Description:
lockdep spew
Filename:
MIME Type:
Creator:
David Nielsen
Created:
2008-08-04 07:16:26 UTC
Size:
22.27 KB
patch
obsolete
>========================================================= >[ INFO: possible irq lock inversion dependency detected ] >2.6.27-0.215.rc1.git4.fc10.x86_64 #1 >--------------------------------------------------------- >swapper/0 just changed the state of lock: > (_xmit_IEEE80211#2){-+..}, at: [<ffffffff8129921d>] __qdisc_run+0xc2/0x215 >but this lock took another, soft-irq-unsafe lock in the past: > (&intf->lock){--..} > >and interrupts could create inverse lock ordering between them. > > >other info that might help us debug this: >3 locks held by swapper/0: > #0: (rcu_read_lock){..--}, at: [<ffffffff8128697b>] dev_queue_xmit+0x14d/0x493 > #1: (_xmit_ETHER#2){-+..}, at: [<ffffffff8129921d>] __qdisc_run+0xc2/0x215 > #2: (rcu_read_lock){..--}, at: [<ffffffff8128697b>] dev_queue_xmit+0x14d/0x493 > >the first lock's dependencies: >-> (_xmit_IEEE80211#2){-+..} ops: 0 { > initial-use at: > [<ffffffff81066356>] __lock_acquire+0x281/0xaa7 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8130cad8>] _spin_lock+0x2b/0x58 > [<ffffffff8129921d>] __qdisc_run+0xc2/0x215 > [<ffffffff81286b77>] dev_queue_xmit+0x349/0x493 > [<ffffffffa01d809e>] ieee80211_sta_tx+0x74/0x79 [mac80211] > [<ffffffffa01d9020>] ieee80211_send_probe_req+0x1ee/0x1fd [mac80211] > [<ffffffffa01d91ab>] ieee80211_sta_scan_work+0x17c/0x1ad [mac80211] > [<ffffffff810545b4>] run_workqueue+0x100/0x207 > [<ffffffff810547b8>] worker_thread+0xfd/0x111 > [<ffffffff8105816c>] kthread+0x4e/0x7b > [<ffffffff810118a9>] child_rip+0xa/0x11 > [<ffffffffffffffff>] 0xffffffffffffffff > in-softirq-W at: > [<ffffffffffffffff>] 0xffffffffffffffff > hardirq-on-W at: > [<ffffffff8106631d>] __lock_acquire+0x248/0xaa7 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8130cad8>] _spin_lock+0x2b/0x58 > [<ffffffff8129921d>] __qdisc_run+0xc2/0x215 > [<ffffffff81286b77>] dev_queue_xmit+0x349/0x493 > [<ffffffffa01d809e>] ieee80211_sta_tx+0x74/0x79 [mac80211] > [<ffffffffa01d9020>] ieee80211_send_probe_req+0x1ee/0x1fd [mac80211] > [<ffffffffa01d91ab>] ieee80211_sta_scan_work+0x17c/0x1ad [mac80211] > [<ffffffff810545b4>] run_workqueue+0x100/0x207 > [<ffffffff810547b8>] worker_thread+0xfd/0x111 > [<ffffffff8105816c>] kthread+0x4e/0x7b > [<ffffffff810118a9>] child_rip+0xa/0x11 > [<ffffffffffffffff>] 0xffffffffffffffff > } > ... key at: [<ffffffff81cd4690>] netdev_xmit_lock_key+0x190/0x1c0 > -> (ftrace_shutdown_lock){++..} ops: 0 { > initial-use at: > [<ffffffff81066356>] __lock_acquire+0x281/0xaa7 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8130cc13>] _spin_lock_irqsave+0x4a/0x7d > [<ffffffff81094e2e>] ftrace_record_ip+0xf5/0x22b > [<ffffffff81010164>] mcount_call+0x5/0x31 > [<ffffffff815298ce>] kernel_init+0x1c5/0x219 > [<ffffffff810118a9>] child_rip+0xa/0x11 > [<ffffffffffffffff>] 0xffffffffffffffff > in-hardirq-W at: > [<ffffffffffffffff>] 0xffffffffffffffff > in-softirq-W at: > [<ffffffffffffffff>] 0xffffffffffffffff > } > ... key at: [<ffffffff8148d588>] ftrace_shutdown_lock+0x18/0x40 > ... acquired at: > [<ffffffff81066a2a>] __lock_acquire+0x955/0xaa7 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8130cc13>] _spin_lock_irqsave+0x4a/0x7d > [<ffffffff81094e2e>] ftrace_record_ip+0xf5/0x22b > [<ffffffff81010164>] mcount_call+0x5/0x31 > [<ffffffff81286695>] dev_hard_start_xmit+0x218/0x29b > [<ffffffff81299259>] __qdisc_run+0xfe/0x215 > [<ffffffff81286b77>] dev_queue_xmit+0x349/0x493 > [<ffffffffa01d809e>] ieee80211_sta_tx+0x74/0x79 [mac80211] > [<ffffffffa01d9020>] ieee80211_send_probe_req+0x1ee/0x1fd [mac80211] > [<ffffffffa01d91ab>] ieee80211_sta_scan_work+0x17c/0x1ad [mac80211] > [<ffffffff810545b4>] run_workqueue+0x100/0x207 > [<ffffffff810547b8>] worker_thread+0xfd/0x111 > [<ffffffff8105816c>] kthread+0x4e/0x7b > [<ffffffff810118a9>] child_rip+0xa/0x11 > [<ffffffffffffffff>] 0xffffffffffffffff > > -> (&queue->lock){+...} ops: 0 { > initial-use at: > [<ffffffff81066356>] __lock_acquire+0x281/0xaa7 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8130cc13>] _spin_lock_irqsave+0x4a/0x7d > [<ffffffffa0225328>] rt2x00queue_reset+0x1b/0x48 [rt2x00lib] > [<ffffffffa0225370>] rt2x00queue_alloc_entries+0x1b/0xca [rt2x00lib] > [<ffffffffa0225dc7>] rt2x00queue_initialize+0x2d/0x152 [rt2x00lib] > [<ffffffffa0224139>] rt2x00lib_start+0x64/0xf0 [rt2x00lib] > [<ffffffffa02248cb>] rt2x00mac_start+0x2e/0x37 [rt2x00lib] > [<ffffffffa01d0ae3>] ieee80211_open+0x255/0x567 [mac80211] > [<ffffffff812877d3>] dev_open+0x8b/0xcc > [<ffffffff81287101>] dev_change_flags+0xb0/0x173 > [<ffffffff8128ed60>] do_setlink+0x291/0x353 > [<ffffffff8128ef32>] rtnl_setlink+0x110/0x112 > [<ffffffff8128fec6>] rtnetlink_rcv_msg+0x1c9/0x1e7 > [<ffffffff812a1212>] netlink_rcv_skb+0x43/0x95 > [<ffffffff8128fcf4>] rtnetlink_rcv+0x2e/0x37 > [<ffffffff812a0d96>] netlink_unicast+0x119/0x182 > [<ffffffff812a1062>] netlink_sendmsg+0x263/0x276 > [<ffffffff812790e9>] __sock_sendmsg+0x5e/0x67 > [<ffffffff81279a92>] sock_sendmsg+0xcc/0xe5 > [<ffffffff81279c82>] sys_sendmsg+0x1d7/0x241 > [<ffffffff8101034a>] system_call_fastpath+0x16/0x1b > [<ffffffffffffffff>] 0xffffffffffffffff > in-hardirq-W at: > [<ffffffffffffffff>] 0xffffffffffffffff > } > ... key at: [<ffffffffa022e020>] __key.31551+0x0/0xffffffffffff9b1c [rt2x00lib] > ... acquired at: > [<ffffffff81066a2a>] __lock_acquire+0x955/0xaa7 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8130cc13>] _spin_lock_irqsave+0x4a/0x7d > [<ffffffffa022562a>] rt2x00queue_get_entry+0x5f/0x87 [rt2x00lib] > [<ffffffffa0225bee>] rt2x00queue_write_tx_frame+0x21/0x124 [rt2x00lib] > [<ffffffffa0224ab7>] rt2x00mac_tx+0x1e3/0x230 [rt2x00lib] > [<ffffffffa01e322f>] __ieee80211_tx+0x58/0x186 [mac80211] > [<ffffffffa01e3f41>] ieee80211_master_start_xmit+0x200/0x36b [mac80211] > [<ffffffff81286695>] dev_hard_start_xmit+0x218/0x29b > [<ffffffff81299259>] __qdisc_run+0xfe/0x215 > [<ffffffff81286b77>] dev_queue_xmit+0x349/0x493 > [<ffffffffa01d809e>] ieee80211_sta_tx+0x74/0x79 [mac80211] > [<ffffffffa01d9020>] ieee80211_send_probe_req+0x1ee/0x1fd [mac80211] > [<ffffffffa01d91ab>] ieee80211_sta_scan_work+0x17c/0x1ad [mac80211] > [<ffffffff810545b4>] run_workqueue+0x100/0x207 > [<ffffffff810547b8>] worker_thread+0xfd/0x111 > [<ffffffff8105816c>] kthread+0x4e/0x7b > [<ffffffff810118a9>] child_rip+0xa/0x11 > [<ffffffffffffffff>] 0xffffffffffffffff > > -> (&intf->lock){--..} ops: 0 { > initial-use at: > [<ffffffff81066356>] __lock_acquire+0x281/0xaa7 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8130cad8>] _spin_lock+0x2b/0x58 > [<ffffffffa0224456>] rt2x00mac_bss_info_changed+0xb3/0xed [rt2x00lib] > [<ffffffffa01cf142>] ieee80211_bss_info_change_notify+0x33/0x35 [mac80211] > [<ffffffffa01d0c4b>] ieee80211_open+0x3bd/0x567 [mac80211] > [<ffffffff812877d3>] dev_open+0x8b/0xcc > [<ffffffff81287101>] dev_change_flags+0xb0/0x173 > [<ffffffff8128ed60>] do_setlink+0x291/0x353 > [<ffffffff8128ef32>] rtnl_setlink+0x110/0x112 > [<ffffffff8128fec6>] rtnetlink_rcv_msg+0x1c9/0x1e7 > [<ffffffff812a1212>] netlink_rcv_skb+0x43/0x95 > [<ffffffff8128fcf4>] rtnetlink_rcv+0x2e/0x37 > [<ffffffff812a0d96>] netlink_unicast+0x119/0x182 > [<ffffffff812a1062>] netlink_sendmsg+0x263/0x276 > [<ffffffff812790e9>] __sock_sendmsg+0x5e/0x67 > [<ffffffff81279a92>] sock_sendmsg+0xcc/0xe5 > [<ffffffff81279c82>] sys_sendmsg+0x1d7/0x241 > [<ffffffff8101034a>] system_call_fastpath+0x16/0x1b > [<ffffffffffffffff>] 0xffffffffffffffff > softirq-on-W at: > [<ffffffff81066340>] __lock_acquire+0x26b/0xaa7 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8130cad8>] _spin_lock+0x2b/0x58 > [<ffffffffa0224456>] rt2x00mac_bss_info_changed+0xb3/0xed [rt2x00lib] > [<ffffffffa01cf142>] ieee80211_bss_info_change_notify+0x33/0x35 [mac80211] > [<ffffffffa01d0c4b>] ieee80211_open+0x3bd/0x567 [mac80211] > [<ffffffff812877d3>] dev_open+0x8b/0xcc > [<ffffffff81287101>] dev_change_flags+0xb0/0x173 > [<ffffffff8128ed60>] do_setlink+0x291/0x353 > [<ffffffff8128ef32>] rtnl_setlink+0x110/0x112 > [<ffffffff8128fec6>] rtnetlink_rcv_msg+0x1c9/0x1e7 > [<ffffffff812a1212>] netlink_rcv_skb+0x43/0x95 > [<ffffffff8128fcf4>] rtnetlink_rcv+0x2e/0x37 > [<ffffffff812a0d96>] netlink_unicast+0x119/0x182 > [<ffffffff812a1062>] netlink_sendmsg+0x263/0x276 > [<ffffffff812790e9>] __sock_sendmsg+0x5e/0x67 > [<ffffffff81279a92>] sock_sendmsg+0xcc/0xe5 > [<ffffffff81279c82>] sys_sendmsg+0x1d7/0x241 > [<ffffffff8101034a>] system_call_fastpath+0x16/0x1b > [<ffffffffffffffff>] 0xffffffffffffffff > hardirq-on-W at: > [<ffffffff8106631d>] __lock_acquire+0x248/0xaa7 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8130cad8>] _spin_lock+0x2b/0x58 > [<ffffffffa0224456>] rt2x00mac_bss_info_changed+0xb3/0xed [rt2x00lib] > [<ffffffffa01cf142>] ieee80211_bss_info_change_notify+0x33/0x35 [mac80211] > [<ffffffffa01d0c4b>] ieee80211_open+0x3bd/0x567 [mac80211] > [<ffffffff812877d3>] dev_open+0x8b/0xcc > [<ffffffff81287101>] dev_change_flags+0xb0/0x173 > [<ffffffff8128ed60>] do_setlink+0x291/0x353 > [<ffffffff8128ef32>] rtnl_setlink+0x110/0x112 > [<ffffffff8128fec6>] rtnetlink_rcv_msg+0x1c9/0x1e7 > [<ffffffff812a1212>] netlink_rcv_skb+0x43/0x95 > [<ffffffff8128fcf4>] rtnetlink_rcv+0x2e/0x37 > [<ffffffff812a0d96>] netlink_unicast+0x119/0x182 > [<ffffffff812a1062>] netlink_sendmsg+0x263/0x276 > [<ffffffff812790e9>] __sock_sendmsg+0x5e/0x67 > [<ffffffff81279a92>] sock_sendmsg+0xcc/0xe5 > [<ffffffff81279c82>] sys_sendmsg+0x1d7/0x241 > [<ffffffff8101034a>] system_call_fastpath+0x16/0x1b > [<ffffffffffffffff>] 0xffffffffffffffff > } > ... key at: [<ffffffffa022e018>] __key.31174+0x0/0xffffffffffff9b24 [rt2x00lib] > ... acquired at: > [<ffffffff81066a2a>] __lock_acquire+0x955/0xaa7 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8130cad8>] _spin_lock+0x2b/0x58 > [<ffffffffa02257f9>] rt2x00queue_create_tx_descriptor+0x1a7/0x2a5 [rt2x00lib] > [<ffffffffa0225c68>] rt2x00queue_write_tx_frame+0x9b/0x124 [rt2x00lib] > [<ffffffffa0224ab7>] rt2x00mac_tx+0x1e3/0x230 [rt2x00lib] > [<ffffffffa01e322f>] __ieee80211_tx+0x58/0x186 [mac80211] > [<ffffffffa01e3f41>] ieee80211_master_start_xmit+0x200/0x36b [mac80211] > [<ffffffff81286695>] dev_hard_start_xmit+0x218/0x29b > [<ffffffff81299259>] __qdisc_run+0xfe/0x215 > [<ffffffff81286b77>] dev_queue_xmit+0x349/0x493 > [<ffffffffa01d809e>] ieee80211_sta_tx+0x74/0x79 [mac80211] > [<ffffffffa01d9020>] ieee80211_send_probe_req+0x1ee/0x1fd [mac80211] > [<ffffffffa01d91ab>] ieee80211_sta_scan_work+0x17c/0x1ad [mac80211] > [<ffffffff810545b4>] run_workqueue+0x100/0x207 > [<ffffffff810547b8>] worker_thread+0xfd/0x111 > [<ffffffff8105816c>] kthread+0x4e/0x7b > [<ffffffff810118a9>] child_rip+0xa/0x11 > [<ffffffffffffffff>] 0xffffffffffffffff > > -> (&sta->flaglock){.+..} ops: 0 { > initial-use at: > [<ffffffff81066356>] __lock_acquire+0x281/0xaa7 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8130cc13>] _spin_lock_irqsave+0x4a/0x7d > [<ffffffffa01d5cf2>] set_sta_flags+0x24/0x3f [mac80211] > [<ffffffffa01daa6c>] ieee80211_rx_mgmt_assoc_resp+0x35d/0x5fc [mac80211] > [<ffffffffa01db21b>] ieee80211_sta_rx_queued_mgmt+0x510/0xe46 [mac80211] > [<ffffffffa01dbbf4>] ieee80211_sta_work+0xa3/0x779 [mac80211] > [<ffffffff810545b4>] run_workqueue+0x100/0x207 > [<ffffffff810547b8>] worker_thread+0xfd/0x111 > [<ffffffff8105816c>] kthread+0x4e/0x7b > [<ffffffff810118a9>] child_rip+0xa/0x11 > [<ffffffffffffffff>] 0xffffffffffffffff > in-softirq-W at: > [<ffffffffffffffff>] 0xffffffffffffffff > } > ... key at: [<ffffffffa0205740>] __key.33839+0x0/0xfffffffffffe9698 [mac80211] > ... acquired at: > [<ffffffff81066a2a>] __lock_acquire+0x955/0xaa7 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8130cc13>] _spin_lock_irqsave+0x4a/0x7d > [<ffffffffa01e1c6e>] __ieee80211_tx_prepare+0x278/0x2f7 [mac80211] > [<ffffffffa01e3ede>] ieee80211_master_start_xmit+0x19d/0x36b [mac80211] > [<ffffffff81286695>] dev_hard_start_xmit+0x218/0x29b > [<ffffffff81299259>] __qdisc_run+0xfe/0x215 > [<ffffffff81286b77>] dev_queue_xmit+0x349/0x493 > [<ffffffffa01d809e>] ieee80211_sta_tx+0x74/0x79 [mac80211] > [<ffffffffa01d9020>] ieee80211_send_probe_req+0x1ee/0x1fd [mac80211] > [<ffffffffa01da647>] ieee80211_associated+0x120/0x1e8 [mac80211] > [<ffffffffa01dacf9>] ieee80211_rx_mgmt_assoc_resp+0x5ea/0x5fc [mac80211] > [<ffffffffa01db21b>] ieee80211_sta_rx_queued_mgmt+0x510/0xe46 [mac80211] > [<ffffffffa01dbbf4>] ieee80211_sta_work+0xa3/0x779 [mac80211] > [<ffffffff810545b4>] run_workqueue+0x100/0x207 > [<ffffffff810547b8>] worker_thread+0xfd/0x111 > [<ffffffff8105816c>] kthread+0x4e/0x7b > [<ffffffff810118a9>] child_rip+0xa/0x11 > [<ffffffffffffffff>] 0xffffffffffffffff > > >the second lock's dependencies: >-> (&intf->lock){--..} ops: 0 { > initial-use at: > [<ffffffff81066356>] __lock_acquire+0x281/0xaa7 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8130cad8>] _spin_lock+0x2b/0x58 > [<ffffffffa0224456>] rt2x00mac_bss_info_changed+0xb3/0xed [rt2x00lib] > [<ffffffffa01cf142>] ieee80211_bss_info_change_notify+0x33/0x35 [mac80211] > [<ffffffffa01d0c4b>] ieee80211_open+0x3bd/0x567 [mac80211] > [<ffffffff812877d3>] dev_open+0x8b/0xcc > [<ffffffff81287101>] dev_change_flags+0xb0/0x173 > [<ffffffff8128ed60>] do_setlink+0x291/0x353 > [<ffffffff8128ef32>] rtnl_setlink+0x110/0x112 > [<ffffffff8128fec6>] rtnetlink_rcv_msg+0x1c9/0x1e7 > [<ffffffff812a1212>] netlink_rcv_skb+0x43/0x95 > [<ffffffff8128fcf4>] rtnetlink_rcv+0x2e/0x37 > [<ffffffff812a0d96>] netlink_unicast+0x119/0x182 > [<ffffffff812a1062>] netlink_sendmsg+0x263/0x276 > [<ffffffff812790e9>] __sock_sendmsg+0x5e/0x67 > [<ffffffff81279a92>] sock_sendmsg+0xcc/0xe5 > [<ffffffff81279c82>] sys_sendmsg+0x1d7/0x241 > [<ffffffff8101034a>] system_call_fastpath+0x16/0x1b > [<ffffffffffffffff>] 0xffffffffffffffff > softirq-on-W at: > [<ffffffff81066340>] __lock_acquire+0x26b/0xaa7 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8130cad8>] _spin_lock+0x2b/0x58 > [<ffffffffa0224456>] rt2x00mac_bss_info_changed+0xb3/0xed [rt2x00lib] > [<ffffffffa01cf142>] ieee80211_bss_info_change_notify+0x33/0x35 [mac80211] > [<ffffffffa01d0c4b>] ieee80211_open+0x3bd/0x567 [mac80211] > [<ffffffff812877d3>] dev_open+0x8b/0xcc > [<ffffffff81287101>] dev_change_flags+0xb0/0x173 > [<ffffffff8128ed60>] do_setlink+0x291/0x353 > [<ffffffff8128ef32>] rtnl_setlink+0x110/0x112 > [<ffffffff8128fec6>] rtnetlink_rcv_msg+0x1c9/0x1e7 > [<ffffffff812a1212>] netlink_rcv_skb+0x43/0x95 > [<ffffffff8128fcf4>] rtnetlink_rcv+0x2e/0x37 > [<ffffffff812a0d96>] netlink_unicast+0x119/0x182 > [<ffffffff812a1062>] netlink_sendmsg+0x263/0x276 > [<ffffffff812790e9>] __sock_sendmsg+0x5e/0x67 > [<ffffffff81279a92>] sock_sendmsg+0xcc/0xe5 > [<ffffffff81279c82>] sys_sendmsg+0x1d7/0x241 > [<ffffffff8101034a>] system_call_fastpath+0x16/0x1b > [<ffffffffffffffff>] 0xffffffffffffffff > hardirq-on-W at: > [<ffffffff8106631d>] __lock_acquire+0x248/0xaa7 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8130cad8>] _spin_lock+0x2b/0x58 > [<ffffffffa0224456>] rt2x00mac_bss_info_changed+0xb3/0xed [rt2x00lib] > [<ffffffffa01cf142>] ieee80211_bss_info_change_notify+0x33/0x35 [mac80211] > [<ffffffffa01d0c4b>] ieee80211_open+0x3bd/0x567 [mac80211] > [<ffffffff812877d3>] dev_open+0x8b/0xcc > [<ffffffff81287101>] dev_change_flags+0xb0/0x173 > [<ffffffff8128ed60>] do_setlink+0x291/0x353 > [<ffffffff8128ef32>] rtnl_setlink+0x110/0x112 > [<ffffffff8128fec6>] rtnetlink_rcv_msg+0x1c9/0x1e7 > [<ffffffff812a1212>] netlink_rcv_skb+0x43/0x95 > [<ffffffff8128fcf4>] rtnetlink_rcv+0x2e/0x37 > [<ffffffff812a0d96>] netlink_unicast+0x119/0x182 > [<ffffffff812a1062>] netlink_sendmsg+0x263/0x276 > [<ffffffff812790e9>] __sock_sendmsg+0x5e/0x67 > [<ffffffff81279a92>] sock_sendmsg+0xcc/0xe5 > [<ffffffff81279c82>] sys_sendmsg+0x1d7/0x241 > [<ffffffff8101034a>] system_call_fastpath+0x16/0x1b > [<ffffffffffffffff>] 0xffffffffffffffff > } > ... key at: [<ffffffffa022e018>] __key.31174+0x0/0xffffffffffff9b24 [rt2x00lib] > >stack backtrace: >Pid: 0, comm: swapper Not tainted 2.6.27-0.215.rc1.git4.fc10.x86_64 #1 > >Call Trace: > <IRQ> [<ffffffff81065406>] print_irq_inversion_bug+0x12e/0x13f > [<ffffffff8106545d>] check_usage_forwards+0x46/0x4e > [<ffffffff81065649>] mark_lock+0x198/0x3a3 > [<ffffffff81064b13>] ? trace_hardirqs_off+0xd/0xf > [<ffffffff810662be>] __lock_acquire+0x1e9/0xaa7 > [<ffffffff81064b13>] ? trace_hardirqs_off+0xd/0xf > [<ffffffff81016e0d>] ? native_sched_clock+0x8e/0xa8 > [<ffffffff8129921d>] ? __qdisc_run+0xc2/0x215 > [<ffffffff81066c12>] lock_acquire+0x96/0xc3 > [<ffffffff8129921d>] ? __qdisc_run+0xc2/0x215 > [<ffffffff8130cad8>] _spin_lock+0x2b/0x58 > [<ffffffff8129921d>] __qdisc_run+0xc2/0x215 > [<ffffffff81286b77>] dev_queue_xmit+0x349/0x493 > [<ffffffffa01e3d21>] ieee80211_subif_start_xmit+0x6c2/0x6e2 [mac80211] > [<ffffffff81063900>] ? graph_unlock+0x5e/0x6a > [<ffffffff8106583d>] ? mark_lock+0x38c/0x3a3 > [<ffffffff81066ac3>] ? __lock_acquire+0x9ee/0xaa7 > [<ffffffff8129921d>] ? __qdisc_run+0xc2/0x215 > [<ffffffff81286695>] dev_hard_start_xmit+0x218/0x29b > [<ffffffff81299259>] __qdisc_run+0xfe/0x215 > [<ffffffff81286b77>] dev_queue_xmit+0x349/0x493 > [<ffffffff8128c393>] neigh_resolve_output+0x24a/0x29f > [<ffffffffa02a0c74>] ip6_output_finish+0x87/0xe1 [ipv6] > [<ffffffffa02a3127>] ip6_output2+0x25d/0x265 [ipv6] > [<ffffffffa02a3d9c>] ip6_output+0xc6d/0xc85 [ipv6] > [<ffffffffa02b914c>] ? dst_output+0x0/0x12 [ipv6] > [<ffffffff812a2c42>] ? nf_hook_slow+0xef/0x100 > [<ffffffffa02b914c>] ? dst_output+0x0/0x12 [ipv6] > [<ffffffffa02ba76c>] mld_sendpack+0x1de/0x31a [ipv6] > [<ffffffffa02bb480>] mld_ifc_timer_expire+0x241/0x276 [ipv6] > [<ffffffff81065a57>] ? trace_hardirqs_on_caller+0xf8/0x133 > [<ffffffffa02bb23f>] ? mld_ifc_timer_expire+0x0/0x276 [ipv6] > [<ffffffff8104d3be>] run_timer_softirq+0x17f/0x1f7 > [<ffffffff81048ffd>] __do_softirq+0x83/0x10e > [<ffffffff81011d8c>] call_softirq+0x1c/0x28 > [<ffffffff81013051>] do_softirq+0x52/0xb5 > [<ffffffff81048ba5>] irq_exit+0x53/0xa2 > [<ffffffff8102118c>] smp_apic_timer_interrupt+0x94/0xad > [<ffffffff81011598>] apic_timer_interrupt+0x88/0x90 > <EOI> [<ffffffff8102689a>] ? native_safe_halt+0x6/0x8 > [<ffffffff81065a9f>] ? trace_hardirqs_on+0xd/0xf > [<ffffffff810175ef>] ? default_idle+0x2f/0x51 > [<ffffffff8100f2db>] ? cpu_idle+0x97/0xf0 > [<ffffffff813065b4>] ? start_secondary+0x169/0x16e >
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bug 457714
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