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Andrew Morton napsal(a):
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17-rc5/2.6.17-rc5-mm1/
====================================
[ BUG: possible deadlock detected! ]
- ------------------------------------
idle/1 is trying to acquire lock:
(&ops->reg_mutex){--..}, at: [<c03ca763>] mutex_lock+0x8/0xa
but task is already holding lock:
(&ops->reg_mutex){--..}, at: [<c03ca763>] mutex_lock+0x8/0xa
which could potentially lead to deadlocks!
other info that might help us debug this:
1 locks held by idle/1:
#0: (&ops->reg_mutex){--..}, at: [<c03ca763>] mutex_lock+0x8/0xa
stack backtrace:
[<c01042ac>] show_trace+0x1b/0x1d
[<c01049f2>] dump_stack+0x26/0x28
[<c01422fa>] __lockdep_acquire+0xa58/0xd8e
[<c0142b97>] lockdep_acquire+0x73/0x88
[<c03ca378>] __mutex_lock_slowpath+0xb3/0x496
[<c03ca763>] mutex_lock+0x8/0xa
[<c0333aa0>] snd_seq_device_new+0x96/0x111
[<c0358260>] snd_emux_init_seq_oss+0x35/0x9c
[<c0353f50>] snd_emux_register+0x10d/0x13f
[<c0352c39>] snd_emu10k1_synth_new_device+0xe7/0x14e
[<c0333537>] init_device+0x2c/0x94
[<c0333d04>] snd_seq_device_register_driver+0x8f/0xeb
[<c05911e0>] alsa_emu10k1_synth_init+0x22/0x24
[<c01003cb>] init+0x12b/0x2f5
[<c0101005>] kernel_thread_helper+0x5/0xb
If more info needed, feel free to ask.
regards,
- --
Jiri Slaby www.fi.muni.cz/~xslaby
\_.-^-._ [email protected] _.-^-._/
B67499670407CE62ACC8 22A032CC55C339D47A7E
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