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Date:      Sat, 03 Feb 2001 22:54:33 -0800 (PST)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Steve Kargl <sgk@troutmask.apl.washington.edu>
Cc:        FreeBSD Current <freebsd-current@FreeBSD.org>
Subject:   RE: kernel trap 26 panic
Message-ID:  <XFMail.010203225433.jhb@FreeBSD.org>
In-Reply-To: <200102040308.f14381q07982@troutmask.apl.washington.edu>

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On 04-Feb-01 Steve Kargl wrote:
> lpt gives an instant panic with sources from this
> afternoon (3 Feb 01 pst).  So far, I can boot the
> system if I disable lpd in /etc/rc.conf.  If I start
> lpd from the command, I get
> 
> %lpd
> stray irq 7
> stray irq 7
> stray irq 7
> stray irq 7
> kernel trap 26 with interrupts disabled
> panic: mutex sched lock recursed at /usr/src/sys/kern/kern_synch.c:918
> 
> kargl[202] uname -a
> FreeBSD C456086-A.bllvu1.wa.home.com 5.0-CURRENT FreeBSD 5.0-CURRENT\
>#3: Sat Feb 3 13:59:49 GMT 2001     kargl@C456086-A.bllvu1.wa.home.com\
>:/usr/obj/usr/src/sys/C456086-A  i386
> 
> I have a crash dump.

The ppbus does painful things with its interrupt handlers.  This is a known
problem and on the todo list, just not fixed yet.

> -- 
> Steve
> 
> 
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-- 

John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/


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