Messages in this thread | | | Date | Thu, 17 Apr 2008 11:32:35 +0200 | From | Pavel Machek <> | Subject | Re: RFC: Self-snapshotting in Linux |
| |
On Wed 2008-04-16 14:50:46, Alan Jenkins wrote: > Pavel Machek wrote: >>> I guess there is the hardware / drivers issue. I would like to claim >>> I've found hibernation to be reliable but unfortunately that's not >>> 100% true. >>> >> So debug it, it is open source after all. Or at least file a bugs. >> > I definitely want to debug it; I love hibernating. It's a regression and > it'll affect my distro kernel once I upgrade to Ubuntu Hardy. > > <http://bugzilla.kernel.org/show_bug.cgi?id=10196> "Backtraces during > hibernate / resume". > > I posted the backtraces but nobody could tell me what they were - they > don't actually say whether they're OOPs or BUGs etc. They might be > softlockups - some times I got softlockup warnings, though thats not in the > log I posted.
Not sure what that is, I never seen that before.
Can you try vanilla 2.6.25-rc9 or something?
> I'm confused about some details (exactly which versions / configs produced > which symptoms). I don't have the machine right now, but I'll get back to > it some time soon. I think I managed to get a pair of broken and > non-broken kernels to work on, and it seems to be a regression going from > 2.6.22 to 2.6.23.
If you can do a git bisect between those two, we could probably fix it very quickly.
> Any help in clearing up my confusion would be appreciated. Is it worth > trying to narrow down exactly where the hang happens between writing the > hibernation image and shutting down? If so how? I suspect that's going to > be easier than bisecting it.
Adding printks? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
| |