Fwd: Complete System Freeze when log out of X session

[Robert Noland]

On Wed, 2008-08-27 at 18:39 +0200, Rene Ladan wrote:
> Better sent it to the list too.
> 
> Rene
> 
> ---------- Forwarded message ----------
> From: Rene Ladan
> Date: 2008/8/27
> Subject: Re: Complete System Freeze when log out of X session
> To: Robert Noland
> 
> 
> 2008/8/9 Robert Noland :
> > On Tue, 2008-08-05 at 20:12 +0200, Rene Ladan wrote:
> >> vangogh schreef:
> >> > My laptop has xorg 7.3 on Freebsd 7.
> >> > My xorg.conf file has:
> >> > Section "Device"
> >> >    Identifier "card0"
> >> >    Driver "vesa"
> >> >    VendorName "S3 Inc"
> >> >    BoardName "VT8375 [ProSavage8 KM266/KL266]"
> >> >    BusID   "PCI:1:0:0"
> >> > EndSection
> >> >
> >> > Problem is when I log out of gnome my system freezes completely and
> >> > control+alt+backspace does not work. The keyboard becomes totally
> >> > unresponsive and i must unplug the system to turn it off. I have
> >> > searched this problem and seen that posts appear in the archives back in
> >> > 2006 about this issue. However, I cannot find any solution. Can someone
> >> > please point me in the right direction for a solution to this please?
> >> >
> >> This sounds slightly familiar.  I sometimes have these freezes too,
> >> but when I'm still in xfce4.  Pressing the power knob still works for me,
> >> as well as logging in remotely via ssh.  This means that only the screen
> >> (which turns black, no backlight on) and keyboard/mouse are frozen.
> >>
> >> This is with an Asus A6JE, Ati Radeon X1450 running xorg 7.3 with
> >> xf86-video-radeonhd 1.2.1.
> >
> > This sounds more like a gpu crash, or a deadlock in the xserver.  So, I
> > don't think that these two cases are the same.  Since you can ssh in,
> > have a look at top while it's hung and see what state the xorg process
> > is in.  If it is in drmlk2, it's locked.  If that looks ok, then it's
> > probably a gpu crash, if you set sysctl hw.dri.0.debug=1 you will
> > probably see a lot of radeon_cp_idle and timeout calls.
> >
> My laptop (panel/keyboard) froze again last night when I was quitting xfce4.
> I'm currently logged in over ssh. top/ps show no X processes except for two
> instances of mplayer (as plugin) in S (sleep < 20s) state.
> 
> The dmesg buffer filtered through uniq:
> WARNING pid 1153 (Xorg): ioctl sign-extension ioctl ffffffffc010644d
> WARNING pid 1153 (Xorg): ioctl sign-extension ioctl ffffffff80086442
> info: [drm] Num pipes: 1
> WARNING pid 1153 (Xorg): ioctl sign-extension ioctl ffffffff80106459
> WARNING pid 1153 (Xorg): ioctl sign-extension ioctl ffffffff80086414
> WARNING pid 1153 (Xorg): ioctl sign-extension ioctl ffffffff80786440
> WARNING pid 1153 (Xorg): ioctl sign-extension ioctl ffffffff80106439
> WARNING pid 1153 (Xorg): ioctl sign-extension ioctl ffffffffc0086421
> WARNING pid 1153 (Xorg): ioctl sign-extension ioctl ffffffffc0106426
> WARNING pid 1153 (Xorg): ioctl sign-extension ioctl ffffffff8008642b

Are you running a not entirely recent libdrm from git?

robert.

> /var/log/messages also shows
> > kernel: linux_sys_futex: unknown op 129
> after the freeze.  Xorg still ran about 30 minutes after the freeze, I
> think I closed the lid at that time (which normally means that the
> backlight goes off).
> 
> Setting hw.dri.0.debug to 1 right now doesn't show anything.
> --
> http://www.rene-ladan.nl/
> 
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-- 
Robert Noland <rnoland at 2hip.net>
2Hip Networks
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