Date: Wed, 24 Nov 1999 00:25:05 +0000 From: Stuart Henderson <stuart@hyperion.eclipse.net.uk> To: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: trap 12 in fxp_add_rfabuf Message-ID: <19991124002505.A29974@proteus.eclipse.net.uk>
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Greetings,
I have a squid cache running on 3.3-release. Hardware is a 256mb HP
Netserver LPr with an HP network card (it's an Intel chipset, fxp driver).
SCSI is 895 using ncr0 on this box. I have been running a number of
similar boxes in various functions for some time with little trouble.
Today I was greeted with a trap 12. Unfortunately no single swap device
has enough space to hold a crash dump as they are interleaved.
The kernel is recompiled with maxusers 256 and unnecessary drivers
disabled, so the instruction pointer is of limited interest. It is given
below. In case the offset relative to the start of add_rfabuf helps:
23:49> ~:maia# nm /kernel|grep ^c01b6[7-b]|sort
c01b67a4 t fxp_mediachange
c01b67d4 t fxp_mediastatus
c01b6910 t fxp_add_rfabuf
c01b6b30 t fxp_mdi_read
c01b6b9c t fxp_mdi_write
Apologies for the truncated additional information, the box had to
be reinstated quickly, so my notes were rather hurried:
ip 08:c01b69e0 base 0x0 lint ffff type 1b
sp 10:c0257988 dpl 0 pres 1 def32 1 gran 1
fp 10:c0257998 int ena, res, iopl=0
ints net/tty/bio/cam
The Ethernet driver reports the device as being the following:
fxp0: <Intel EtherExpress Pro 10/100B Ethernet> rev 0x05 int a irq 11 on pci1.3.0
Bearing in mind my experience in debugging is rather limited, please
let me know if I can supply any additional information or do anything
should this recur that would help to trace the source of the panic.
Stuart
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