On Monday 28 August 2006 14:27, Jon Escombe wrote:
> Rafael J. Wysocki wrote:
> > On Thursday 24 August 2006 00:08, Jon Escombe wrote:
> >> Jon Escombe wrote:
> >>> Have dug a little deeper in to my resume problem, and found out that
> >>> it's failing in snapshot.c / copy_data_pages(). BUG_ON(!pbe) is
> >>> invoked on the 2nd iteration, when zone_pfn == 1.
> >> Sorry, may have jumped the gun a little there. After a few more attempts
> >> it's not so clear cut...
> >>
> >> printk's scattered through the resume code are always getting to the
> >> "for (zone_pfn = 0; zone_pfn < zone->spanned_pages; ++zone_pfn)" loop in
> >> copy_data_pages() before the reboot. However, it's not always the same
> >> iteration, and I don't think the BUG_ON in this loop can be the cause -
> >> as at least once it's rebooted after this line.. Back to the drawing
> >> board....
> >
> > Could you please try the appended patch and see if it changes anything?
> >
> > Rafael
> >
>
> Thanks,
>
> I'm afraid that patch gives me a BUG at snapshot.c:184 during suspend.
Ouch, sorry (not that I know why).
> However, with more testing, I've found that my resume problem only
> occurs with CONFIG_HIGHMEM64G (the default in a Fedora installation).
So I think the patch won't help.
> I've got images of the screen dumps for both (from one of a few times
> that it didn't reboot during resume), and can post them if they'd be any
> use? The resume error is "unable to handle kernel paging request", EIP
> is at copy_loop+0xe/0x15.
Yes, please post one.
Greetings,
Rafael
--
You never change things by fighting the existing reality.
R. Buckminster Fuller
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