Mailinglist Archive: opensuse-kde3 (21 mails)

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[opensuse-kde3] kde3 potential gcc47 compiler code interpretation problem resulting in kwrite/kate crash
Ilya, Dominique, All,

I have been troubleshooting a runtime issue in kde3 when built on gcc47 that
does not get caught by the compiler, but produces a crash in kwrite at runtime
when lines that wrap are encountered. This problem was not discovered until
4/25. It is being worked as

There are multiple backtraces and strace outputs included with the bug report.
The crash occurs when line length in a text file causes the line to wrap within
the editor window. This can be reproduced by opening kwrite and:

(1) pasting 1-2 words using the select buffer until the line wraps; or

(2) by opening a text file with long lines and arrowing down until the long line
is encountered.

This is 100% reproducible on Archlinux and effects kwrite/kate/quanta+ and
text preview within konqueror file manager (anything involving katepart)

On Slackware, this is limited to kwrite. Darrell Anderson reports being able
to use kate without issue, but experiences the crash in kwrite and in konqueror
file preview.

This may not effect openSuSE, but be aware of it and test for it in your
builds based on gcc 4.7. We are currently troubleshooting, this issue and if you
can either confirm it in openSuSE or rule it out, that would provide another
data point.

Currently we have worked backwards building code from 4/25, 4/10, 4/03 and 4/1
sources. The problem remains in all builds. We have binaries from the 3/29 build
that work, but no confirmation of the gcc version used in the 3/29 build. I am
presently building the 3/29 sources with gcc 4.7 and if the crash occurs, that
will rule out a stray patch to the code causing the issue and will implicate
something going on with the compiler. I'll let you know when I confirm the 3/29

This is a cross-post to both factory and opensuse-kde3. So check the reply
address you intend to reply to. Thanks, and I hope this doesn't affect you. If
it does, the more smart people looking at it, the sooner it gets identified and

David C. Rankin, J.D.,P.E.
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