panic: mutex tty owned at ../../../kern/kern_event.c:1487

John-Mark Gurney gurney_j at resnet.uoregon.edu
Wed Apr 27 23:40:14 PDT 2005


Dan Nelson wrote this message on Sat, Apr 23, 2005 at 22:52 -0500:
> In the last episode (Apr 23), John-Mark Gurney said:
> > Dan Nelson wrote this message on Sat, Apr 23, 2005 at 12:28 -0500:
> > > Got the following on a 2004-04-21 -stable kernel:
> > > 
> > > panic messages:
> > > ---
> > > panic: mutex tty owned at ../../../kern/kern_event.c:1487
> > > cpuid = 0
> > 
> > I can whip up a patch if you want to try it (and can easily reproduce)...
> 
> I tried repeating the panic (hitting ^C in an app partway through its
> startup routine), but it's not cooperating, unfortunately.

it's a very tight race.. basicly a second character has to come in
between the time the first one happens, and before the test for the
PENDIN flag happens...  most likely to occure over an ssh pty that
has a program using kqueue..

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."


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