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

[Chris Stromsoe <cbs@cts.ucla.edu>]

On Sat, 7 Jan 2006, Roberto Nibali wrote:

> > > After a little more than one day up with 2.4.32 SMP+ACP+aic7xxx, I got 
> > > another bad pmd and an oops this morning at 4:23am.  I'm going to boot 
> > > vanilla 2.4.32 with nosmp and acpi=off.
>
> Your oops does not make much sense, could you enable following, please:
>
> 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.

> > 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?

> 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's the diff between /proc/interrupt and lspci -v on those kernels, 
> when they've finished the booting sequence?

> 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.


-Chris
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