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Date: Fri, 10 Aug 2007 22:15:28 +0000
From: "Daniel K." <daniel@cluded.net>
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Subject: BUG: when using 'brctl stp'
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I get this on the latest GIT, it was also present shortly after -rc1.
I have not tested with earlier kernels.

# brctl stp br0 on
[  169.672008] BUG: sleeping function called from invalid context at kernel/mutex.c:86
[  169.672532] in_atomic():1, irqs_disabled():0
[  169.672832] 
[  169.672832] Call Trace:
[  169.673406]  [<ffffffff8125db3a>] mutex_lock+0x19/0x2f
[  169.673696]  [<ffffffff81067135>] __alloc_pages+0x71/0x2d3
[  169.673996]  [<ffffffff881e0abc>] :bridge:set_stp_state+0x12/0x37
[  169.674293]  [<ffffffff881e0a0a>] :bridge:store_bridge_parm+0x5f/0x79
[  169.674587]  [<ffffffff810ceb24>] sysfs_write_file+0xf2/0x134
[  169.674879]  [<ffffffff8108b3ad>] vfs_write+0xce/0x177
[  169.675170]  [<ffffffff8108b970>] sys_write+0x45/0x6e
[  169.675463]  [<ffffffff8100bc8e>] system_call+0x7e/0x83
[  169.675769] 
[  169.676139] br0: starting userspace STP failed, staring kernel STP

# brctl stp br0 off
[  171.774500] BUG: sleeping function called from invalid context at kernel/mutex.c:86
[  171.775040] in_atomic():1, irqs_disabled():0
[  171.775327] 
[  171.775328] Call Trace:
[  171.775906]  [<ffffffff8125db3a>] mutex_lock+0x19/0x2f
[  171.776195]  [<ffffffff81067135>] __alloc_pages+0x71/0x2d3
[  171.776496]  [<ffffffff881e0abc>] :bridge:set_stp_state+0x12/0x37
[  171.776792]  [<ffffffff881e0a0a>] :bridge:store_bridge_parm+0x5f/0x79
[  171.777086]  [<ffffffff810ceb24>] sysfs_write_file+0xf2/0x134
[  171.777378]  [<ffffffff8108b3ad>] vfs_write+0xce/0x177
[  171.777669]  [<ffffffff8108b970>] sys_write+0x45/0x6e
[  171.777958]  [<ffffffff8100bc8e>] system_call+0x7e/0x83
[  171.778250] 


Daniel K.
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