On Tue, 30 Oct 2012, Rafael J. Wysocki wrote: > > Nothing particularly stands out here. Lots of small fixes, exemplified > > by the series of memory leak fixes in usb serial drivers. Just a lot > > of random stuff.. > > > > Most of it is drivers (all over: drm, wireless, staging, usb, sound), > > but there's a few filesystem updates (nfs, btrfs, ext4), arch updates > > (arm, x86 and m68k) and just random stuff. Shortlog appended. > > Unfortunately, s2disk is broken with this one and previous -rc. In the > majority of cases it just hangs the machine during hibernation, although > sometimes it returns to user space reporting freezing problems, suspicions > RCU usage and similar stuff, pretty much without any useful debug information. > > I'm quite confident that v3.6 was OK (and -stable based on that too), so > it most likely is a recent regression. The in-kernel hibernation > (ie. "echo disk > /sys/power/state") works no problem. So does suspend to > RAM on my test boxes. > > So far I have been able to reproduce this 100% of the time on two machines > with Intel CPUs and graphics driven by i915. I _suspect_ that this may be > related to VT switching, because s2disk does some ugly things in that area > which are not done by the in-kernel code. Dunno. > > Anyway, it looks like nothing short of bisection is going to help debug this, > but I'm afraid I won't have the time to bisect within the next two weeks, so > if > anyone can reproduce this issue and will be able to bisect it, please help > (openSUSE/Tumbleweed users anyone?).
Just a data point here -- this is probably not generally true. I am using s2disk very often on my x200s, and I haven't hit this problem so far (currently running 2ab3f29, i.e. slightly before rc3). -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/