Re: [Qemu-devel] QEMU no longer debugable with recent gdb

[Stefan Hajnoczi]

On Sun, Feb 24, 2013 at 02:03:51PM +0100, Jan Kiszka wrote:
> Hi,
> 
> running qemu-system-xxx under recent gdb gives me this instead of
> starting QEMU:
> 
> GNU gdb (GDB) 7.5.1
> Copyright (C) 2012 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "x86_64-unknown-linux-gnu".
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>...
> Reading symbols from qemu-system-arm...done.
> (gdb) r
> Starting program: qemu-system-arm 
> Warning:
> Cannot insert breakpoint -1.
> Error accessing memory address 0x34e770: Input/output error.
> 
> 
> Commenting out the JIT debug information or using a much older gdb
> is currently the only option to debug QEMU here. It's affecting non-TCG
> operation, too. Any ideas?

Works for me with GNU gdb (GDB) Fedora (7.5.1-32.fc18).

http://sourceware.org/bugzilla/show_bug.cgi?id=14585

Stefan