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Date: Sun, 22 Jan 2012 20:21:43 +0100
From: Jan Kiszka <jan.kiszka@web.de>
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Subject: Re: [Qemu-devel] Failed to use gdb with qemu 15.1 (with and without
 kvm support)
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To: Max Filippov <jcmvbkbc@gmail.com>
Cc: qemu-devel@nongnu.org, Francis Moreau <francis.moro@gmail.com>

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On 2012-01-22 20:16, Max Filippov wrote:
>> When stopping the guest with -S before it booted, gdb will interrupt i=
t
>> while it is still in 16-bit real mode. Later on, when Linux runs, the
>> guest is in 64-bit protected mode. gdb is not prepared for such a
>> switch. All you can do:
>=20
> Try
>=20
> set arch i386:x86-64
>=20
> in the GDB prompt.
>=20

Won't help if gdb already connected in 16/32-bit before.

Jan


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