Re: kernel BUG at kernel/power/snapshot.c:464!

[Rafael J. Wysocki]

On Friday, 8 of February 2008, Pavel Machek wrote:
> Hi!
> 
> > Our old friend kernel BUG at kernel/power/snapshot.c:464! is back, this
> > time from mainline. I can't reproduce with 2.6.24-final, but I can with
> > a git snapshot from a few days ago. I'm doing a git bisect run now, but
> > it's rather time consuming, so I thought I'd pass this on in the interim.
> > 
> > I can reproduce this just by doing "cat /dev/snapshot".
> > 
> > Working output looks like:
> > swsusp: Marking nosave pages: 000000000009f000 - 0000000000100000
> > swsusp: Marking nosave pages: 00000000f7ff0000 - 0000000100000000
> > swsusp: Basic memory bitmaps created
> > swsusp: Basic memory bitmaps freed
> 
> root@amd:~# cat /dev/snapshot
> cat: /dev/snapshot: No data available
> root@amd:~# 
> 
> ...on less than two days old 2.6.25-rc0-git. Rafael, do you have any
> ideas what may break?

No idea and I can't reproduce it.

Plus the trace looks bogus, as there are no "swsusp: ..." messages in the
mainline any more.

Thanks,
Rafael
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