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SubjectRe: RH7.2 running 2.4.9-21-SMP (dual Xeon's) yields "Illegal instructions"
On Thu, 21 Feb 2002, Alan Cox wrote:

> Almost every other report I have ever seen that looked like that one has
> always turned out to be hardware related. The randomness in paticular
> tends to be a pointer to thinks like cache faults.

Is there any way to test this?

> You do have ECC main memory which is good.
> What other hardware is in the machine ?

1. SCSI harddisk plugged into the motherboard
2. Floppy drive plugged into the motherboard
3. CD-ROM and a never used Zip disk drive plugged into IDE2 on the
4. Sound Blaster live sound code plugged into a PCI slot.
5. nVidia Corp NV15 GL (Quadro2) plugged into the AGP slot.

No USB ports are in use. The video output, mouse and keyboard are plugged
into a KVM switch. There is also a CAT-5 cable attached to the network
jack. Otherwise, there are no other external connections outside of the
power cable.

By running without the X11 server, I hoped to remove the nVidia board as a
source of trouble.

$ /sbin/lspci
00:00.0 Host bridge: Intel Corporation 82850 860 (Wombat) Chipset Host Bridge (MCH) (rev 04)
00:01.0 PCI bridge: Intel Corporation 82850 850 (Tehama) Chipset AGP Bridge (rev 04)
00:02.0 PCI bridge: Intel Corporation 82860 860 (Wombat) Chipset AGP Bridge (rev 04)
00:1e.0 PCI bridge: Intel Corporation 82801BAM PCI (rev 04)
00:1f.0 ISA bridge: Intel Corporation 82801BA ISA Bridge (ICH2) (rev 04)
00:1f.1 IDE interface: Intel Corporation 82801BA IDE U100 (rev 04)
00:1f.2 USB Controller: Intel Corporation 82801BA(M) USB (Hub A) (rev 04)
00:1f.3 SMBus: Intel Corporation 82801BA(M) SMBus (rev 04)
00:1f.4 USB Controller: Intel Corporation 82801BA(M) USB (Hub B) (rev 04)
00:1f.5 Multimedia audio controller: Intel Corporation 82801BA(M) AC'97 Audio (rev 04)
01:00.0 VGA compatible controller: nVidia Corporation NV15 GL (Quadro2) (rev a4)
02:1f.0 PCI bridge: Intel Corporation 82806AA PCI64 Hub PCI Bridge (rev 03)
03:00.0 PIC: Intel Corporation 82806AA PCI64 Hub Advanced Programmable Interrupt Controller (rev 01)
03:0e.0 SCSI storage controller: Adaptec 7892P (rev 02)
04:0b.0 Ethernet controller: 3Com Corporation 3c905C-TX [Fast Etherlink] (rev 78)
04:0c.0 FireWire (IEEE 1394): Texas Instruments: Unknown device 8020
04:0d.0 Multimedia audio controller: Creative Labs SB Live! EMU10000 (rev 08)
04:0d.1 Input device controller: Creative Labs SB Live! (rev 08)


Tom Epperly
Center for Applied Scientific Computing Phone: 925-424-3159
Lawrence Livermore National Laboratory Fax: 925-424-2477
L-661, P.O. Box 808, Livermore, CA 94551 Email:

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