On Fri, Jan 30, 2015 at 11:12:48PM +0100, Edward Tomasz Napierała wrote: > On 0123T1040, Konstantin Belousov wrote: > > On Thu, Jan 22, 2015 at 12:02:01PM +0100, Edward Tomasz Napiera??a wrote: > > > I'm trying to fix resume on my T61, broken by some change several > > > months ago; according to pciconf it's 'Mobile GM965/GL960 Integrated > > > Graphics Controller (primary)'. It's running current CURRENT and > > > up to date packages. > > > > > > Suspend and resume makes Xorg do something weird - there is screen > > > corruption, or rather window corruption. The GNOME 3 desktop looks > > > pretty normal, except that gnome-terminal (launched before suspend) > > > window looks as if the buffer layout changed underneath it; for example, > > > instead of one flashing cursor there are several, horizontally, across > > > the window. New windows are simply black. No segv. > > > > > > Setting kern.vt.suspendswitch=0 makes the behaviour disappear, replaced > > > by segmentation faults of gnome-shell. With stock gdb it looks like this: > > > > At least one big known issue with suspend is that userspace activity > > is not stopped, which makes the driver suspend code operating on the > > non-steady state of devices. > > > > I committed the facility to stop userspace before suspend, and avg promised > > to integrate this into suspend path, but he did not. You might try to > > search mailing lists for reference to his earlier patch. > > Unfortunately stuff was committed before I could test it. Fortunately, > it's all fixed now, and works perfectly, on 11-CURRENT. Thanks! :-)
I can add that suspend/resume now works reliable again on my X230.
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