Bug 457377

This sounds like an X11 or driver (are you using the proprietary driver?) bug, 
not a KDE bug.

(Reassigning to kdebase-workspace for now because that's where the bug would be 
if it is really a KDE bug, not kdebase4.)

"KDE4 crashes immediately" really? Or X server dies?  Please describe precisely
what happens, as well as providing details about which X driver you are using.

fwiw, this may well end up being a case similar to:
1.  (patient) Doctor, it hurts when I move my arm like *this*.
2.  (doctor) Then don't do that!

I've tried both the NVIDIA proprietary as well the xorg driver, both behaved
similarly. It shows the splash screen of KDE and the moment it displays the kde
desktop, kde dies. It has to be a KDE error since if I use another window
manager like gnome, xcfe etc, it works perfectly
In the .xsession-errors I've get the following messages apart from the normal
ones that I get without the "backingstore":

kaccess: Fatal IO error: client killed
kdeinit4: Fatal IO error: client killed
kdeinit4: sending SIGHUP to children.
kdeinit4: sending SIGTERM to children.
kdeinit4: Exit.
kwin: Fatal IO error: client killed
klauncher: Exiting on signal 15
klauncher: Exiting on signal 1
X connection to :0.0 broken (explicit kill or server shutdown).

kded4: Fatal IO error: client killed
XIO:  fatal IO error 11 (Resource temporarily unavailable) on X server ":0.0"

      after 153 requests (150 known processed) with 0 events remaining.

The log messages clearly show it's the X server crashing, KDE is just what 
triggers it => reassigning to xorg-x11-server.

Thanks for the bug report.  We have reviewed the information you have provided
above, and there is some additional information we require that will be helpful
in our diagnosis of this issue.

Please attach your X server config file (/etc/X11/xorg.conf; of course, using
only open-source drivers -- either nv or nouveau) and X server log file
(/var/log/Xorg.*.log) to the bug report as individual uncompressed file
attachments using the bugzilla file attachment link below.

Could you please also try to run without any /etc/X11/xorg.conf whatsoever and
let X11 autodetect your display and video card? Attach to this bug
/var/log/Xorg.0.log from this attempt as well, please.

We will review this issue again once you've had a chance to attach this information.

Thanks in advance.

Created attachment 313108 [details]
My /etc/X11/xorg.conf file

Created attachment 313109 [details]
Xorg.0.log when starting with the xorg.conf

Created attachment 313110 [details]
Xorg.0.log when starting without any xorg.conf file

Of course in this case it works since the "backingstore" is not enabled by
default

*** Bug 448846 has been marked as a duplicate of this bug. ***

In response to Comment #6:

Confirmed for:
> xorg-x11-drv-openchrome/mesa-dri-drivers:unichrome_dri.so (http://
forums.fedoraforum.org/forum/showthread.php?t=195131
> xorg-x11-drv-nv
> xorg-x11-drv-nouveau (with or without "BackingStore")
> xorg-x11-drv-mach64/mesa-dri-drivers:mach64_dri.so

Confirm that Enlightenment/E17 DE does not crash under same conditions.

Note that option "BackingStore" "on" is a potentially very useful option....

Thanks and Regards,
VJS

I see that you had nvidia installed on your computer. Could you please follow the intstructions on https://fedoraproject.org/wiki/Xorg/3rd_Party_Video_Drivers to make sure that your system is not contaminated anymore?

Thank you very much

(In reply to comment #12)
> I see that you had nvidia installed on your computer. Could you please follow
> the instructions on
> https://fedoraproject.org/wiki/Xorg/3rd_Party_Video_Drivers to make sure that
> your system is not contaminated anymore?
> 
> Thank you very much

I'm not sure to whom this was directed, but I'll respond.

I am well aware of the referenced admonition regarding the NVidia binary "blob", and concur 1000%: the "blob" should not be used, and I did not use it. I used Livna and/or ATRPMs re-packaged RPM drivers.

Regards,
VJS

OK, thanks for assurance that you know what you are doing. :)

I've recently changed laptop with an intel graphics 4500MHD card, where I get a similar behaviour with the intel_drv.so driver

I too have expierienced a crashing X with the ati open source driver as well as with the fglrx driver and with Option "BackingStore" enabled in xorg.conf.

If I enable it and open for instance the gnome system monitor and click on one of the menu buttons (i.e. Monitor) it crashes.

I have this same problem in ubuntu:

https://bugs.edge.launchpad.net/ubuntu/+source/xorg-server/+bug/274988

It is xserver related, so it eventually got moved upstream:

https://bugs.freedesktop.org/show_bug.cgi?id=18895

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