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

[Jan Kiszka]

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?

Jan

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