Re: Mozilla Firefox and firebird problems after sat022604upgradeofFreeBSD-current

>> Go to the _CONSOLE_ and execute the programs that
>> are "causing" the "lock-up" and you will stand a
>> chance at actually finding and fixing whatever is
>> going wrong.
>>
>> Ctrl-Alt-F1
>> <login>
>> DISPLAY=:0.0 firefox

> Were you able to get a backtrace now?

wonder of wonders, miracle of miracles :)

panic: Assertion td->td_flags & TDF_SINTR failed at
/usr/src/sys/kern/subr_sleepqueue.c:761 at line 761 in file
/usr/src/sys/kern/subr_sleepqueue.c cpuid = 0;
Debugger("panic")

Is that related to this kernel patch (pasted at bottom) I've seen cross
the list today?  If so, has this patch been committed to the cvs sources,
or will i need to apply it manually?  if not, what might my next step be?

aaron

Danny J. Zerkel wrote:
> Looks like John's sys/kern/kern_thread.c 1.171 broke Mozilla (and
> threading in general).  He appears to have left out a test that
> the sleeping thread is interruptable in one spot:
>
> --- kern_thread.c.orig  Mon Mar  1 15:08:01 2004
> +++ kern_thread.c       Mon Mar  1 14:26:30 2004
> _at__at_ -646,7 +646,8 _at__at_
>                 } else if (TD_ON_SLEEPQ(td2) &&
>                            ((td2->td_wchan == &kg->kg_completed) ||
>                             (td2->td_wchan == &p->p_siglist &&
> -                            (ku->ku_mflags & KMF_WAITSIGEVENT)))) {
> +                            (ku->ku_mflags & KMF_WAITSIGEVENT))) &&
> +                             (td2->td_flags & TDF_SINTR)) {
>                         sleepq_abort(td2);
>                 } else {
>                         ku->ku_flags |= KUF_DOUPCALL;
>
> This change fixes my Mozilla hangs and other panics on current.
>