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Date:      Wed, 16 Sep 1998 23:08:21 +0100
From:      Ben Smithurst <ben@scientia.demon.co.uk>
To:        FreeBSD Current <freebsd-current@FreeBSD.ORG>
Subject:   Re: system hangs with soft updates
Message-ID:  <19980916230821.A282@scientia.demon.co.uk>
In-Reply-To: <19980916002629.A10346@keltia.freenix.fr>
References:  <19980915195829.A271@scientia.demon.co.uk> <19980916002629.A10346@keltia.freenix.fr>

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Ollivier Robert wrote:

> Please use '-g' here.
[...]
> cp -p kernel kernel.debug
> strip -d kernel
> 
> With DDB, as long as you stay in the virtual console (not X), you should
> get a panic prompt inside it (except when the kernel stack overflow I think).

Hmm... when it hung as it did before, pressing ctrl-alt-esc and typing
trace gave:

_scgetc(flags=2) at _scgetc+0x7 [../../i386/isa/syscons.c:3299]
_scintr(unit=0) at _scintr+0x17 [../../i386/isa/syscons.c:847]
Xresume1() at Xresume1+0x2b
--- interrupt, eip=0xf01bfef7, esp=0xf3a22e4c, ebp=0xf3a2de88 ---
_wdstart(ctrlr=1) at _wdstart+0x4af [../../i386/isa/wd.c:332]
_wdintr(unit=1) at _wdintr+0x5de [../../i386/isa/wd.c:1284]
Xresume15() at Xresume15+0x2b
--- interrupt, eip=0xf01913ce, esp=0xf3a2defc, ebp=0xf3a2df68 ---
vec15(f3a2df88) at vec15+0x2
_sched_sync() at _sched_sync+0xa4 [../../kern/vfs_subr.c:499]
_kproc_start(udata=f01d8888) at _kproc_start+0x32 [../../kern/init_main.c:248]
_fork_trampoline(e5641589,c766f01f,1fe56605,800008f0,1fe56825) at _fork_trampoline+0x30

I hope I copied it all correctly. If any of that makes no sense at all,
or if anyone needs more info, I'll do anything else that's needed
(within reason <g>).

When I typed `panic', it wouldn't reboot: kept complaining about
interrupt timeout on wd2, I think, and then assumed I was running a
laptop because of too many timeouts. It never got as far as saving the
core image, so I can't get that, unless someone's got some other bright
idea...

Cheers,
-- 
Ben Smithurst : ben@scientia.demon.co.uk : http://www.scientia.demon.co.uk/

PGP: 0x99392F7D - 3D 89 87 42 CE CA 93 4C  68 32 0E D5 36 05 3D 16
     http://www.scientia.demon.co.uk/ben/pgp-key.html (or use keyservers)

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