Date: Mon, 1 Mar 2004 17:42:00 -0500 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-current@FreeBSD.org Cc: current@freebsd.org Subject: Re: sleepqueue assertion panic and hang Message-ID: <200403011742.00982.jhb@FreeBSD.org> In-Reply-To: <404354A3.6060803@columbus.rr.com> References: <404354A3.6060803@columbus.rr.com>
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On Monday 01 March 2004 10:20 am, Danny J. Zerkel wrote:
> I haven't seen any reports of this yet, so here goes. I'm getting
> an assert panic at odd intervals. Sometimes I get it with the initial
> login prompt. I have also gotten it in the middle of the night during
> a rebuild of mozilla. And my system as been freezing when I start
> mozilla or thunderbird and even once starting xdm.
>
> 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 = 1;
> Debugger("panic")
>
> And then it freezes. Reset is the only way out. I have also seen cpuid
> = 0. (It is a dual processor P3). I have rebuilt the kernel and world
> from current. I have no back trace because it freezes instead of
> dropping into the kernel debugger.
>
> I could send more information if my email client (thunderbird) was
> working...
Very odd. Everywhere that calls sleepq_abort() already checks TDF_SINTR. The
only place that didn't was in a kse function and both sleeps that it
explicitly checks both use PCATCH meaning that TDF_SINTR should be set.
--
John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve" = http://www.FreeBSD.org
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