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Date: Mon, 15 Nov 2004 10:16:59 +0200
From: Ruslan Ermilov <ru@FreeBSD.org>
To: alpha@FreeBSD.org
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Subject: Removing VGA card panics the box on boot
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Hi there,

I needed the unused PCI VGA card for testing another machine,
so I pulled it out from my AlphaPC 164SX, and that gave me an
instant panic on boot:

: Timecounter "i8254" frequency 1193182 Hz quality 0
: Timecounter "alpha" frequency 533183689 Hz quality 800
: Timecounters tick every 0.976 msec
: panic: mtx_lock() of spin mutex (null) @ /usr/src/sys/netinet/igmp.c:431
: cpuid =3D 0
: KDB: enter: panic
: [thread 100004]
: Stopped at      kdb_enter+0x48: or      zero,zero,zero  <zero=3D0x0>
: db>=20

Putting it back in results in normal behavior (no panic).
Any hints?

: FreeBSD 6.0-CURRENT #0: Mon Oct  4 22:12:33 EEST 2004


Cheers,
--=20
Ruslan Ermilov
ru@FreeBSD.org
FreeBSD committer

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