[Bug 107058] [Wayland] plasmashell gets SIGSEGV after clicking on Application Menu for second time
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Tue Nov 6 01:24:42 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=107058
--- Comment #19 from magiblot <magiblot at hotmail.com> ---
Created attachment 142379
--> https://bugs.freedesktop.org/attachment.cgi?id=142379&action=edit
debug log having applied the patch above
(In reply to Danylo from comment #18)
It was very kind of you to provide a specific PKGBUILD for this purpose. It
indeed compiled much faster than I expected.
I was able to test the crash again, but got different results. I have been
unable to catch plasmashell getting SIGSEGV. It is just Xwayland who gets
SIGABRT twice and then exits.
I have already seen this before (not back when I opened this report) but
plasmashell would at times still get SIGSEGV. This doesn't seem to be the case
anymore.
Some time ago I found the crash this report is about can be worked around with
'QT_QPA_PLATFORM=wayland-egl', which will force all Qt applications into native
Wayland rendering (and I guess plasmashell is one of them). So Xwayland can be
considered suspect of this issue.
If there is a bug in Qt, Xwayland or another library, then I imagine the
SIGSEGV was caused by either of these messing up before mesa finished rendering
their items (and thus causing the miptree not to be created properly). I guess
your patches just make mesa less vulnerable against this.
I'm enclosing the log for one of the crashes, with INTEL_DEBUG=fbo,mip. I have
no actual knowledge about rendering, so maybe you find more meaning in it.
Thank you very much.
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