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Date: Sun, 9 Oct 2005 06:33:41 +0200
From: Ingo Molnar <mingo@elte.hu>
To: Fernando Lopez-Lezcano <nando@ccrma.Stanford.EDU>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.14-rc3-rt10 build problem (now rt12)
Message-ID: <20051009043341.GA30878@elte.hu>
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* Fernando Lopez-Lezcano <nando@ccrma.Stanford.EDU> wrote:

> This appears to be triggered from Freqtweak (a Jack application):
> Oct  8 18:48:00 cmn3 kernel: freqtweak:4705 userspace BUG: scheduling in
> user-atomic context!
> Oct  8 18:48:00 cmn3 kernel:  [<c037c05b>] schedule+0xeb/0x100 (8)
> Oct  8 18:48:00 cmn3 kernel:  [<c037d745>] rwsem_down_read_failed
> +0xa5/0x1c0 (28)
> Oct  8 18:48:00 cmn3 kernel:  [<c01467ee>] .text.lock.futex+0xa9/0x2db
> (52)
> Oct  8 18:48:00 cmn3 kernel:  [<c0130c46>] try_to_del_timer_sync
> +0x46/0x50 (32)
> Oct  8 18:48:00 cmn3 kernel:  [<c0130c71>] del_timer_sync+0x21/0x30 (16)
> Oct  8 18:48:00 cmn3 kernel:  [<c0121330>] default_wake_function
> +0x0/0x20 (32)
> Oct  8 18:48:00 cmn3 kernel:  [<c0151b5c>] audit_syscall_exit+0x4c/0x400
> (12)
> Oct  8 18:48:00 cmn3 kernel:  [<c0146589>] do_futex+0x69/0xf0 (24)
> Oct  8 18:48:00 cmn3 kernel:  [<c0146674>] sys_futex+0x64/0x120 (24)
> Oct  8 18:48:00 cmn3 kernel:  [<c0103471>] syscall_call+0x7/0xb (60)

could you enable CONFIG_DEBUG_PREEMPT and send me the same assert (which 
will hopefully include a critical section list too).

	Ingo
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