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From: haplo@haplo.theramp.net (Jordan Klein)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Major system problems...
Date: 24 Dec 1996 04:43:07 GMT
Organization: InfoRamp, Inc.
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I am having major failures on my system, with FreeBSD and need some
assistance interpreting the errors. Let me describe my hardware
before going further:
486/120 system board, AMD processor, 256 K cache
48mb non-parity ram, 3 16mb simms
Genoa Phantom 64V-2001 video with 2mb vram (S3 Trio64+)
Adaptec AHA-2940 PCI SCSI controller
Generic NE2000 ethernet card (isa)
Sound Blaster 16 (isa)
Fujitsu M1606S-512 1 gig drive (internal, id 0)
Fujitsu M2694ES-512 1 gig drive (internal, id 1)
NEC 8Xi CDROM (internal, id 2)
Quantum FIREBALL1080S 1 gig drive (external, id 3)
Archive Python 28388-XXX 4mm DAT (external, id 4)
My SCSI bus is terminated properly (last internal drive, and last
external drive). This system was working fine when I first
started with FreeBSD, and for about a year with Linux, Windows 95,
and Windows NT (3.51 and 4.0).
Here's the problem. When I'm using it, things seem fine at first.
It boots just fine, I have no problem getting my PPP networking
going, X, etc. But after a while, things deteriorate. Worse,
it seems things deteriorate faster if I do something that does
a lot of disk access. I've had data corruption, random reboots,
kernel panics, and so forth. I know that I'm having hardware
problems, but I can't identify the source. I've already swapped
the system board, that did fix anything. I've run memory tests
on my simms, and that showed them working fine. If someone can
identify the following error messages and give me an idea what's
failing, I would be VERY grateful. Most of the hardware is
still under warranty, so it's just a matter of getting it
replaced.
Two most recent errors:
ahc0: Issued Channel A Bus Reset. 2 SCBs aborted
sd1(ahc0:1:0) timed out in dataout phase, SCSISIGI==0x0
SEQADDR==0x0
spec_getpages: I/O read error
vm_fault: pager input (probably hardware) error, PID 236 failure
Fatal trap 12: page fault while in kernel mode
This was when I tried to play an audio cd with cdcontrol.
And next, while rebooting because netscape 3.01 was segfaulting
(signal 11) on me:
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x83015a61
fault code = supervisor read, page not present
instruction pointer = 0x8:0xf0178590
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resue, IOPL=0
current process = 9029 (reboot)
interrupt mask =
panic: page fault
I get these kinds of errors at random times, and all I can think
is that it's probably either my memory, or something on my
SCSI bus is failing. Any help in pinpointing the offending
hardware would be greatly appreciated. Thank you.
--
Jordan Klein | Technical Analyst
jklein@theramp.net | Paranet
http://www.theramp.net/jklein | jmklein@paranet.com
Views presented here are my own | http://www.paranet.com