linux-kernel - [BUG] linux-2.6.29-rc7-rt1: sleeping function called from invalid context

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Message-ID: <20090319085105.GD4087@traven>
Date:	Thu, 19 Mar 2009 09:51:05 +0100
From:	Matthias Kaehlcke <matthias@...hlcke.net>
To:	linux-kernel@...r.kernel.org
Subject: [BUG] linux-2.6.29-rc7-rt1: sleeping function called from invalid
	context

after booting my box with linux 2.6.29-rc7-rt1 dmesg contains the
following bug report:

[   33.616819] BUG: sleeping function called from invalid context at kernel/rtmutex.c:683
[   33.616827] in_atomic(): 1, irqs_disabled(): 0, pid: 5015, name: modprobe
[   33.616834] Pid: 5015, comm: modprobe Not tainted 2.6.29-rc7-rt1 #1
SMP PREEMPT RT Wed Mar 18 17:59:59 CET 2009
[   33.616838] Call Trace:
[   33.616853]  [<c012941f>] __might_sleep+0xff/0x130
[   33.616860]  [<c033c25a>] rt_spin_lock+0x2a/0x70
[   33.616867]  [<c01b7441>] kfree+0x31/0x90
[   33.616873]  [<c010a413>] exit_thread+0x43/0xb0
[   33.616879]  [<c0136720>] do_exit+0x150/0x890
[   33.616885]  [<c033f325>] ? sub_preempt_count+0x95/0xd0
[   33.616891]  [<c0159683>] ? rt_up_read+0x33/0x50
[   33.616898]  [<c0136e95>] do_group_exit+0x35/0x90
[   33.616903]  [<c0136f04>] sys_exit_group+0x14/0x20
[   33.616908]  [<c010301b>] sysenter_do_call+0x12/0x2c
[   34.724300] BUG: sleeping function called from invalid context at kernel/rtmutex.c:683
[   34.724308] in_atomic(): 1, irqs_disabled(): 0, pid: 5114, name: xkbcomp
[   34.724314] Pid: 5114, comm: xkbcomp Not tainted 2.6.29-rc7-rt1 #1
SMP PREEMPT RT Wed Mar 18 17:59:59 CET 2009
[   34.724318] Call Trace:
[   34.724334]  [<c012941f>] __might_sleep+0xff/0x130
[   34.724342]  [<c033c25a>] rt_spin_lock+0x2a/0x70
[   34.724348]  [<c01b7441>] kfree+0x31/0x90
[   34.724354]  [<c010a413>] exit_thread+0x43/0xb0
[   34.724359]  [<c0136720>] do_exit+0x150/0x890
[   34.724366]  [<c033f325>] ? sub_preempt_count+0x95/0xd0
[   34.724371]  [<c0159683>] ? rt_up_read+0x33/0x50
[   34.724378]  [<c0136e95>] do_group_exit+0x35/0x90
[   34.724383]  [<c0136f04>] sys_exit_group+0x14/0x20
[   34.724388]  [<c010301b>] sysenter_do_call+0x12/0x2c

-- 
Matthias Kaehlcke
Embedded Linux Engineer
Barcelona

          We can't solve problems by using the same kind
             of thinking we used when we created them
                         (Albert Einstein)
                                                                 .''`.
    using free software / Debian GNU/Linux | http://debian.org  : :'  :
                                                                `. `'`
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