Messages in this thread | | | Date | Sat, 30 Oct 2004 13:33:11 +0200 | From | Ingo Molnar <> | Subject | Re: [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.4] |
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* Ingo Molnar <mingo@elte.hu> wrote:
> > jackd:1507 userspace BUG: scheduling in user-atomic context! > > [<c01069fc>] dump_stack+0x1c/0x20 (20) > > [<c02834d0>] schedule+0x70/0x100 (24) > > [<c010639b>] work_resched+0x6/0x17 (-8124)
> > jackd:1507 userspace BUG: scheduling in user-atomic context! > > [<c01069fc>] dump_stack+0x1c/0x20 (20) > > [<c02834d0>] schedule+0x70/0x100 (24) > > [<c028465d>] down_write_mutex+0xbd/0x180 (36) > > [<c012cbf6>] __mutex_lock+0x36/0x40 (16) > > [<c012cc75>] _mutex_lock_irqsave+0x15/0x20 (16) > > [<c01f1237>] tty_ldisc_try+0x17/0x50 (20) > > [<c01f1287>] tty_ldisc_ref_wait+0x17/0xc0 (88)
> this too i'd consider a false positive, because this particular > printout happened due to a mutex, and a mutex blockage we can consider > involuntary blockage. [...]
i've uploaded -V0.5.15 with these two false positives fixed, could you retry your Jackd workload and see whether any other type of scheduling gets detected? Please also chrt the watchdog thread to a lower priority than the main thread's priority.
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