On Tue Sep 13, 2022 at 2:52 AM UTC, James Cook wrote:
> On Sun Sep 11, 2022 at 3:50 AM UTC, Jonathan Gray wrote:
> > On Sun, Sep 11, 2022 at 03:18:47AM +0000, James Cook wrote:
> > > >Synopsis:        X11 keeps showing images from a few seconds ago
> > > >Category:        kernel
> > > >Environment:
> > >   System      : OpenBSD 7.2
> > >   Details     : OpenBSD 7.2-beta (GENERIC.MP) #718: Fri Sep  9 14:46:40 
> > > MDT 2022
> > >                    
> > > [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> > > 
> > >   Architecture: OpenBSD.amd64
> > >   Machine     : amd64
> > > >Description:
> > >   After the latest sysupgrade -s, every few seconds, the contents of my
> > >   display briefly goes back to what it was a few seconds ago.
> >
> > What were you running before this?
>
> OpenBSD 7.2-beta (GENERIC.MP) #714: Fri Sep  2 15:20:16 MDT 2022 
>
> > some defaults for power saving features recently changed
> >
> > does this diff change what you see?
>
> It seems to fix the problem, but I'm not certain, because the behaviour
> started to become much less obvious after I sent this bug report (but
> before I tried your diff). I would see the occasional short flicker
> rather than reversions lasting nearly a second. With your diff I haven't
> seen any flickers.
>
> Going back to the Sep 9 snapshot kernel (which I was using when I filied
> this bug) I tried to find things that would trigger the problem the reliably,
> so I could try the same things with your diff, but I couldn't find a way
> to trigger it. (Mostly I just tried vigorously scrolling in Firefox
> assuming taxing the graphics card would trigger it, but that didn't
> work.)
>
> -- 
> James

At this point I'm 95% sure the diff fixed the problem. I have been
running the new kernel for a few days with no flickering, and whenever I
go back to /obsd to compare, I eventually see a flicker or two.

-- 
James

Reply via email to