[Bug 1492778] Re: kde crashes when turning powering on display port monitor

[Nikolay Mihaylov]

I'm having the same problem on an up to date 15.10. Only I cannot log
back in because there's no display manager present. I can switch to a
virtual console and there it works. But when I get back to Console #7
the display goes into power saving mode. The only trace from the crash
is in dmesg:

kactivitymanage[1629]: segfault at 18 ip 00007f4cf6438e90 sp 00007ffead511e28 error 4 in libqxcb.so[7f4cf640a000+b5000]
krunner[2159]: segfault at 18 ip 00007f3523ebede8 sp 00007ffeb62663c0 error 4 in libqxcb.so[7f3523e75000+b5000]
kwin_x11[2164]: segfault at 18 ip 00007f6e63b14de8 sp 00007fff87859850 error 4 in libqxcb.so[7f6e63acb000+b5000]
plasmashell[2167]: segfault at 18 ip 00007f192ad04de8 sp 00007ffc222dd470 error 4 in libqxcb.so[7f192acbb000+b5000]
klauncher[2176]: segfault at 18 ip 00007fb52e3abde8 sp 00007ffda395b150 error 4 in libqxcb.so[7fb52e362000+b5000]

Over DVI it works fine - I can switch my display off and on again
without problems. I have a Z87 MB with Pentium G3258 using the
integrated graphics of the CPU.

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Title:
  kde crashes when turning powering on display port monitor

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