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From: Elena Zannoni <ezannoni@redhat.com>
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Date: Tue, 14 Oct 2003 15:53:00 -0000
To: Joel Brobecker <brobecker@gnat.com>
Cc: Andrew Cagney <ac131313@redhat.com>, Daniel Jacobowitz <drow@mvista.com>,
   gdb-patches@sources.redhat.com
Subject: Re: problem unwinding past pthread_cond_wait() on x86 RedHat 9.0
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References: <20031014054225.GB919@gnat.com>
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X-SW-Source: 2003-10/txt/msg00457.txt.bz2

Joel Brobecker writes:
 > > Joel, what happens if you type:
 > > 
 > > (gdb) x/i 0xffffe002
 > 
 > Something like "Cannot read memory at 0xffffe002" (already tried it :-).
 > What is this address, BTW. I always wondered... Kernel code? Special
 > address?
 > 

Yeah, that's the vsyscall stuff. GDB cannot access it. It will be
really solved only with the 6.? kernel.
(See the thread that talks about the vsyscall DSO)

elena

 > -- 
 > Joel