On Wed, Jan 11, 2006 at 06:38:22PM +0300, Alexey Dobriyan wrote:
> On Wed, Jan 11, 2006 at 07:50:44PM +0800, Antonino A. Daplas wrote:
> > Alexey Dobriyan wrote:
> > > Approximate sequence of event:
> > >
> > > 1. script which builds allmodconfig on 11 targets is left on otherwise
> > > idle machine. Logged in on VT1. Logged of X.
> > > 2. After 5 hours I return, ensure script behaves OK, switch to X and see
> > > black screen.
> > > 3. Now, trying to switch between VTs and X gives nothing but black
> > > screen.
> > > 4. Alt+SysRq+K. After several seconds black screen switches to black
> > > screen with text cursor in the upper-left corner.
> > > 5. Futher attempts to switch and SysRq+Ki'ing gave nothing.
> > > 6. In a minute or so X login prompt reappeared. Mouse os OK. Keyboard is
> > > not. In particular, typing username doesn't work.
> > > 7. By some miracle, typing became OK (probably after I hit Ctrl, not
> > > sure). I login to X successfully and fire up mutt to mail bugreport.
> > > 8. Devil turned me to switch to VT again...
> > > 9. goto #5.
> > > 10. Cold reboot.
> >
> > Can you reproduce this with another X driver, for example, vesa or
> > fbdev, and/or with another console driver? Maybe you can also try with
> > DRI enabled and disabled?
>
> OK, I'll try.
>
> > > The overall feeling is that X left without human interaction starts to
> > > reacts slooowly (probably after blanking kicks in?).
> >
> > That's also what I'm thinking, console blanking, X blanking, or power
> > management. You might want to shorten the console blanking interval with:
> >
> > setterm -blank 1.
>
> Strange freezing continues, probably blanking should be left alone:
>
> 1. while reading random patches with gitk with nothing more running. gitk
> already read all patch headers from the whole Linux git archive.
>
> gitk stops reacting on mouse clicks
> "Ctrl+Alt+1" (switching to virtual desktop #1 in evilwm) -- OK
> "Ctrl+Alt+2" (back) -- gitk shows its window but without actual
> content as if something can't get a timeslice for redraw.
>
> 2. Two allmodconfig builds in parallel. mutt downloading email, /me
> lazily browsing with Firefox.
I disabled DRI in xorg.conf but it happened again.
Now it's vim saving 5k proggie while X tarball was unpacking on reiserfs.
:wq and vim freezes. Switching to another virtual "desktops" works and
everything in general works except vim. But switching to VT and back
sends system to hell.
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