Re: A segmentation fault when running sleep()

[Samuel Thibault]

Da Zheng, le Tue 15 Dec 2009 23:16:11 +0800, a écrit :
> > That could be a glitch of some other mechanism.  You can use disassemble
> > 0x01060089 to check what's really there and l * 0x01060089 to check
> > which precise file that comes from.
> disassemble is really useful:-) I really need to learn more about gdb.
> I do see that evc_wait is called by mach_msg, but I cannot see evc_wait is 
> called either by any functions in glibc or by any in the build tree.
> but 'l * 0x01060089' shows me no source file for the address. I think it's 
> because mach_msg is in the c library which doesn't have any debugging 
> information.

Use symbol-file /usr/lib/debug/lib/libc-2.10.2.so to load the debugging
symbols.

Samuel