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Date: | Mon, 14 Sep 2009 10:01:12 +0100 |
From: | Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com> |
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To: | Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com> |
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Subject: | Re: Core dump on hello world. |
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Dave Korn wrote: > Jerry DeLisle wrote: > >> gdb says: >> (gdb) r >> Starting program: /home/jerry/prs/test/a.exe >> [New thread 162.0xa9] >> [New thread 162.0x8e] >> >> Program received signal SIGILL, Illegal instruction. >> set_fpu () at ./fpu-target.h:80 >> 80 ./fpu-target.h: No such file or directory. >> in ./fpu-target.h >> (gdb) bt >> #0 set_fpu () at ./fpu-target.h:80 > > Need an actual $eip value here, and the contents of your /proc/cpuinfo please. Nah, hang on, I'll give the psychic debugging a go. <places hand to forehead, covering eyes, waves other hand out in front of me in a mystical-looking way> I'm getting something.... the spirits are talking... or maybe it's just the beer... and they tell me: The problem is that the CPUID instruction in your virtual machine is returning some kind of bogus output that's leading set_fpu() to believe the CPU supports SSE, but the emulation in fact does not, and it blows up here: > 0x697826c4 <set_fpu+164>: stmxcsr -0x14(%ebp) cheers, DaveK -- 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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