Re: 2.6.9rc2-mm4 oops

[Bjorn Helgaas <bjorn.helgaas-VXdhtT5mjnY@public.gmane.org>]

On Thursday 30 September 2004 7:36 pm, Fernando Pablo Lopez-Lezcano wrote:
> On Thu, 2004-09-30 at 16:04, Bjorn Helgaas wrote:
> > Like Pierre, I was able to reproduce this with DEBUG_PAGEALLOC.
> > I found a struct acpi_driver in hpet.c that was erroneously marked
> > __init, and the attached patch fixed the oops for me.  Can you give
> > this a whirl?
> 
> Sorry, I did, and still get the oops. This is it this time (looks the
> same to me):
> 
> inserting floppy driver for 2.6.8.1-1.520.1nov.rhfc2.ccrma
> Unable to handle kernel paging request at virtual address f8881920

Can you post your .config?  If you don't have CONFIG_HPET turned
on, my patch wouldn't help.  Also, can you look up the bad address
(e.g., f8881920) in /proc/kallsyms?  When I reproduced it, the
faulting address was hpet_acpi_driver.  Maybe you've found a
similar bug in a different driver.



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