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SubjectRe: Dual Athlon 2000 XP MP nightmare
Steve Cole wrote:
> I'm not sure that what I'm experiencing is a kernel problem, but I thought
> I would stick my foot in the door nonetheless, since I have no real
> indication of what is going on.
> I have a dual Athlon 2000+ XP MP system. It's crashing very frequently and
> looks to be getting worse. It seems to crash less with 2.4.19pre10-ac2
> which supports the 760 bus and 744x IDE controller, but with something that
> is as intermittent as this, who can tell?
> Machine specs:
> ASUS A7M266-D motherboard, 1006 BIOS rev.
> 2GB ECC registered memory
> 4 x 15K RPM Seagate UltraSCSI drives
> 2 x 2960 (AIC7892 rev 2) controllers
> 2 x 3C59x 3Com ethernet controllers
> !USB card to free up IRQs (removed later)
> 400W power supply
> 240W power supply driving two of the hard drives + CD ROM
> Budget vid card
> 2 drives partitioned 30%/70%, 30% mirrored together for boot, 70% mirrored
> in RAID 0+1 with other drives
> I get EIP errors and Null pointer exception errors during full kernel
> panics. I've had a lot of file system corruption in ReiserFS originally and
> now in EXT2, both fixable though Reiser seemed worse. Uptime is measured in
> hours - usually 12 or more, sometimes two or three.
> I can't come up with any reasons for this that point at the kernel, but on
> the other hand, nothing is ever logged regarding SCSI I/O problems (verbose
> logging turned on in kernel with extra queue checks). I've replaced the
> > memory to no avail, and updated the BIOS' of both motherboard and Adaptec
> cards. No memory errors are logged and one pass of memtest86 found no
> memory errors.
> Yet, the machine crashes semi-randomly (load seems to play some part in
> this) and often crashes during the shutdown/reboot phase if it's run
> reliably for a few hours.
> If it's hardware for sure, please just indicate that and I'll move on. I'm
> getting semi-desperate. :(

First make sure you have MP cpus NOT XP's. The XP's are not certified by amd to run
SMP. Second, try append="mem=nopentium" in your lilo.conf file. I have a dual 1900+ MP
box and without that I have random lockups also.

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