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

[Roberto Nibali <ratz@drugphish.ch>]

>> 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
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