[Konsole-devel] [Bug 310666] New: Complete X crash on Konsole window resize

[xanclic at googlemail.com]

https://bugs.kde.org/show_bug.cgi?id=310666

            Bug ID: 310666
          Severity: critical
           Version: 2.9.3
          Priority: NOR
          Assignee: konsole-devel at kde.org
           Summary: Complete X crash on Konsole window resize
    Classification: Unclassified
                OS: Linux
          Reporter: xanclic at googlemail.com
          Hardware: Archlinux Packages
            Status: UNCONFIRMED
         Component: general
           Product: konsole

A year ago this never happened, for some months it's happened nearly half the
time, as of today it happens everytime (I tried it seven times in a row):

When I resize the Konsole window, the whole X server crashes.

I found one bug here (https://bugs.kde.org/show_bug.cgi?id=199161) which was
about a Konsole crash and there are several more out there which refer to
graphical distortions or system freezes, but these don't apply to me, since
it's the X server that crashes. I'm reporting the bug here since every other
application can be resized just fine.

Maximizing and un-maximizing just work fine, but whenever I grab a window
border and resize it, X crashes. This is independent of the number of tabs, the
time Konsole has been running, whether desktop effects are enabled or not or
even whether I have a background image enabled in Konsole.

Reproducible: Always

Steps to Reproduce:
1. Open Konsole.
2. Resize the Konsole window.
Actual Results:  
The X server crashes.

Expected Results:  
The Konsole window is resized.

I'm running Arch Linux, kernel is 3.6.7. Since this is somehow related to
graphical output, my graphics hardware is an AMD HD7850 controlled by Catalyst
12.11. I'm using Xorg 1.13.0.

The X log tells the following story:
[  8001.286] (EE) Backtrace:
[  8001.286] (EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x58a326]
[  8001.286] (EE) 1: /usr/bin/X (0x400000+0x18e179) [0x58e179]
[  8001.286] (EE) 2: /usr/lib/libpthread.so.0 (0x7ff97f0ec000+0xf1a0)
[0x7ff97f0fb1a0]
[  8001.286] (EE) 3: /usr/lib/libpixman-1.so.0 (0x7ff97ec48000+0x82a70)
[0x7ff97eccaa70]
[  8001.286] (EE) 4: /usr/lib/libpixman-1.so.0 (0x7ff97ec48000+0x50c7b)
[0x7ff97ec98c7b]
[  8001.286] (EE) 5: /usr/lib/libpixman-1.so.0 (pixman_blt+0x52)
[0x7ff97ec534b2]
[  8001.286] (EE) 6: /usr/lib/xorg/modules/libfb.so (fbCopyNtoN+0x343)
[0x7ff97b7e7873]
[  8001.286] (EE) 7: /usr/lib/xorg/modules/glesx.so (0x7ff9798a1000+0x8ce31)
[0x7ff97992de31]
[  8001.286] (EE) 8: /usr/lib/xorg/modules/glesx.so (0x7ff9798a1000+0x8eef5)
[0x7ff97992fef5]
[  8001.286] (EE) 9: /usr/bin/X (0x400000+0x114149) [0x514149]
[  8001.286] (EE) 10: /usr/bin/X (0x400000+0xc7305) [0x4c7305]
[  8001.286] (EE) 11: /usr/bin/X (0x400000+0xc862f) [0x4c862f]
[  8001.286] (EE) 12: /usr/bin/X (0x400000+0xc601c) [0x4c601c]
[  8001.286] (EE) 13: /usr/bin/X (ConfigureWindow+0x489) [0x462dd9]
[  8001.286] (EE) 14: /usr/bin/X (0x400000+0x32824) [0x432824]
[  8001.286] (EE) 15: /usr/bin/X (0x400000+0x37e61) [0x437e61]
[  8001.286] (EE) 16: /usr/bin/X (0x400000+0x2696a) [0x42696a]
[  8001.286] (EE) 17: /usr/lib/libc.so.6 (__libc_start_main+0xf5)
[0x7ff97dd7a725]
[  8001.286] (EE) 18: /usr/bin/X (0x400000+0x26cad) [0x426cad]
[  8001.286] (EE) 
[  8001.286] (EE) Segmentation fault at address 0x7ff96ad9ff60
[  8001.286] 
Fatal server error:
[  8001.286] Caught signal 11 (Segmentation fault). Server aborting


Again: I'm reporting this bug here because Konsole is apparently the only
application which crashes X on resize.

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