linux-kernel - BUG: scheduling while atomic: events/1/10/0x00000002 on linux-next

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Date:	Sun, 11 May 2008 18:42:19 +0200
From:	Mirco Tischler <mirco.tischler@...sik.uni-wuppertal.de>
To:	lkml <linux-kernel@...r.kernel.org>,
	Reinette Chatre <reinette.chatre@...el.com>,
	Zhu Yi <yi.zhu@...el.com>
Subject: BUG: scheduling while atomic: events/1/10/0x00000002 on linux-next

Hi

I've got this in my dmesg while testing linux-next:

> [4299633.075168] wlan0: deauthenticate(reason=3)
> [4299633.097015] BUG: scheduling while atomic: events/1/10/0x00000002
> [4299633.097030] Pid: 10, comm: events/1 Not tainted 2.6.26-rc1-next-20080509 #80
> [4299633.097036] 
> [4299633.097038] Call Trace:
> [4299633.097070]  [<ffffffff8023346c>] __schedule_bug+0x70/0x75
> [4299633.097082]  [<ffffffff8052aa68>] schedule+0xd7/0x8aa
> [4299633.097094]  [<ffffffff8052cac6>] ? _spin_lock_irqsave+0x1d/0x39
> [4299633.097107]  [<ffffffff8052cce1>] ? _spin_unlock_irqrestore+0x17/0x30
> [4299633.097116]  [<ffffffff80240f69>] ? __mod_timer+0xd5/0xe7
> [4299633.097129]  [<ffffffff8052b544>] schedule_timeout+0x92/0xb9
> [4299633.097138]  [<ffffffff80240894>] ? process_timeout+0x0/0x10
> [4299633.097146]  [<ffffffff8052b53f>] ? schedule_timeout+0x8d/0xb9
> [4299633.097171]  [<ffffffffa00b6a47>] :iwlcore:iwl_send_cmd_sync+0x154/0x24b
> [4299633.097183]  [<ffffffff8024ae64>] ? autoremove_wake_function+0x0/0x3d
> [4299633.097205]  [<ffffffffa00b6b99>] :iwlcore:iwl_send_cmd+0x1b/0x1e
> [4299633.097229]  [<ffffffffa00c454f>] :iwl4965:iwl4965_send_add_station+0x51/0xb5
> [4299633.097259]  [<ffffffffa00ce327>] :iwl4965:iwl_remove_dynamic_key+0xf3/0x111
> [4299633.097285]  [<ffffffffa00c1ab2>] :iwl4965:iwl4965_mac_set_key+0x123/0x139
> [4299633.097294]  [<ffffffff8052c8f3>] ? _spin_lock+0x1b/0x33
> [4299633.097303]  [<ffffffff802a9d8f>] ? __slab_free+0x100/0x38e
> [4299633.097318]  [<ffffffff80513d29>] ieee80211_key_disable_hw_accel+0xd6/0x146
> [4299633.097332]  [<ffffffff80513f39>] __ieee80211_key_todo+0x1a0/0x212
> [4299633.097341]  [<ffffffff8045a361>] ? netdev_run_todo+0x23b/0x24a
> [4299633.097353]  [<ffffffff80514065>] ? key_todo+0x0/0x10
> [4299633.097362]  [<ffffffff80514057>] ieee80211_key_todo+0x1a/0x28
> [4299633.097370]  [<ffffffff80514073>] key_todo+0xe/0x10
> [4299633.097379]  [<ffffffff80247354>] run_workqueue+0x99/0x12b
> [4299633.097391]  [<ffffffff802474c8>] worker_thread+0xe2/0xf3
> [4299633.097400]  [<ffffffff8024ae64>] ? autoremove_wake_function+0x0/0x3d
> [4299633.097410]  [<ffffffff802473e6>] ? worker_thread+0x0/0xf3
> [4299633.097418]  [<ffffffff8024aaff>] kthread+0x4e/0x7b
> [4299633.097428]  [<ffffffff8020cff8>] child_rip+0xa/0x12
> [4299633.097444]  [<ffffffff8024aab1>] ? kthread+0x0/0x7b
> [4299633.097452]  [<ffffffff8020cfee>] ? child_rip+0x0/0x12
> [4299633.097459] 
> [4299634.116094] wlan0: RX deauthentication from 00:0f:b5:cf:6e:68 (reason=7)
> [4299634.116094] wlan0: deauthenticated

I didn't see this on 2.6.26-rc1.
This happens everytime I reconnect my wlan, i.e. when I click on the
essid in the gnome-applet. I attach my config and the hole dmesg output.
My hardware is a Intel Santa Rosa Notebook with 4965agn chip. 

Thanks
Mirco

View attachment "dmesg-sched_atom" of type "text/plain" (70229 bytes)

View attachment "config-sched_atom" of type "text/plain" (55651 bytes)

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