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Date: | Thu, 30 Aug 2012 18:24:08 -0400 |
From: | Charles Wilson <cygwin AT cwilson DOT fastmail DOT fm> |
Reply-To: | Charles Wilson <cygwin AT cwilson DOT fastmail DOT fm> |
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Subject: | Re: coredumps with fc-cache, fc-list |
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On 8/29/2012 4:03 AM, Charles Wilson wrote: > I'm back to debugging, on the Vista machine where gdb actually works > [1], the original problem with rxvt-unicode which I encountered on W7 -- > that is, whenever I do anything "interesting" (like, say, simply > starting vi), my rxvt-unicode terminal crashes with a SIGABRT: > > Program received signal SIGABRT, Aborted. > 0x00000000 in ?? () > (gdb) bt > #0 0x00000000 in ?? () > #1 0x77015490 in ntdll!ZwWaitForSingleObject () > from /c/Windows/system32/ntdll.dll > #2 0x757b9aa4 in WaitForSingleObjectEx () > from /c/Windows/system32/kernel32.dll > #3 0x00000564 in ?? () > #4 0x00000000 in ?? () > > > No idea why. Turns out this was an unhandled exception issue (which was quite obvious from the stacktrace once I was able to put a breakpoint in cygwin's abort() implementation). rxvt-unicode was trying to be clever, and linking only against libsupc++ (that is, using gcc to link, and adding -lsupc++) rather than linking with g++. The configure test was apparently simple enough that it passed on cygwin -- but rxvt-unicode itself was more complex, and died horribly. I changed it to link using g++ and everything worked fine: both the new 9.15-1 and a simple respin of the old 9.07 release. I still can't use gdb on my W7 box, tho... > [1] "Space key + gdb": http://cygwin.com/ml/cygwin/2012-08/msg00571.html -- Chuck -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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