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SubjectKernel Panic - Linux 2.2.16, Adaptec 19160 & IBM disks

I have a server, with an Adaptec 19160 scsi card, a 3C905C NIC (possibly
not important) and an IBM 10k rpm U160, 18.1 gb scsi disk (lun 0). All was
working fine. I just upgraded the system with a 2nd IBM 10k rpm U160,
18.1 gb scsi disk (lun 3). It boots, I was able to partition the disk, and
do an install to the 2nd disk, so it seemed ok. Now (a few hrs later) I am
seeing a kernel panic.

The kernel is stock 2.2.16 kernel that I got from The minor
modification is to install the patch for 3c90x driver that I got from 3COM.

The first line of the kernel panic is :

(scsi0:-1:-1:-1) Referenced SCB 0 not valid during SELTO.
SCSISEQ = 0x5a SEQADDR = 0x9 SSTAT0 = 0x10 SSTAT1 = 0x08a

Then it attempted the operation again, and the Error message was :

Unable to handle kernel NULL pointer dereference at virtual address
00000040 current->tss.cr3 = 00101000, %cr3 = 00101000

*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<801b55f1>]
EFLAGS: 00010046
Aiee, killing interrupt handler
Kernel panic: Attempted to kill the idle task!
In swapper task - not syncing

Both disks are on a proper LVD internal scsi cable, properly terminated.

Any thoughts as to what might be wrong ?

Any thoughts as to things to try to troubleshoot this ?

thx, and rgds,

-Greg Hosler

E-Mail: Gregory Hosler <>
Date: 29-Aug-00
Time: 09:26:53

If Bill Gates had a dime for every time a Windows box crashed...
...Oh, wait a minute, he already does.

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