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From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: kvm@vger.kernel.org, jan.kiszka@siemens.com
Subject: kvm guest debug using gdb on x86
Date: Wed, 20 May 2009 00:23:12 +0530	[thread overview]
Message-ID: <20090519185312.GA32697@skywalker> (raw)

Hi,

With the latest qemu-kvm and 2.6.30-rc6 kernel i am not able to get
the guest debugging with gdb. I get the following error.

$gdb ./vmlinux
GNU gdb 6.8-debian
Copyright (C) 2008 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 "i486-linux-gnu"...
(gdb) b do_fork
Breakpoint 1 at 0xc106cfc8: file kernel/fork.c, line 1347.
(gdb) target remote localhost:1234
Remote debugging using localhost:1234
[New Thread 1]
Remote 'g' packet reply is too long:
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
 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
(gdb)

any patches that i can try ?

-aneesh

             reply	other threads:[~2009-05-19 18:53 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-19 18:53 Aneesh Kumar K.V [this message]
2009-05-19 19:10 ` kvm guest debug using gdb on x86 Aneesh Kumar K.V
2009-05-20  8:10   ` Jan Kiszka
2009-05-20  8:40     ` Aneesh Kumar K.V
2009-05-20  8:57       ` Jan Kiszka
2009-05-20  9:04         ` Aneesh Kumar K.V
2009-05-20  9:41           ` Jan Kiszka
2009-05-20  9:46             ` Jan Kiszka
2009-05-20 10:49               ` Avi Kivity
2009-05-21  7:54                 ` Jan Kiszka

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