Re: bad pmd filemap.c, oops; 2.4.30 and 2.4.32

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CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_SLAB=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_FRAME_POINTER=y

kernel, sysrq, and frame_pointer were already enabled. I'll enable debug_slab, as well.

Excellent.

booting with "nosmp acpi=off" did not help.  The box hung as before, at

Could you boot with pci=noacpi and report again? The difference is that ACPI will still be used but not for IRQ routing. I have a few boxes out with 2.4.x kernels and Adaptec HBAs that need this to work reliably.

Are you interested in results from "pci=noacpi" by itself or in conjunction with nosmp?

With SMP, please.

What's the SCSI BIOS version?

The SCSI controller is an onboard AIC 7899 (in a Dell PowerEdge 2650), and reports itself as "25309".

What I meant was the SCSI Bios revision you get to see when you cold reset the system.

If you find time, send me your BIOS settings and your .config in private email. I didn't track this thread from the beginning, so I don't know if you've already done this.

<http://hashbrown.cts.ucla.edu/pub/oops-200512/> has the .config, lspci -v, and /proc/interrupts for 2.6.14.4 and 2.4.32.

Thanks, I'll skim over these and get back to you if I can correlate anything with the issues we were having using this controller.

Regards,
Roberto Nibali, ratz
--
echo '[q]sa[ln0=aln256%Pln256/snlbx]sb3135071790101768542287578439snlbxq' | dc
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