From: Avi Kivity <avi@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: qemu-devel@nongnu.org, Glauber Costa <glommer@redhat.com>,
Kevin O'Connor <kevin@koconnor.net>,
gpxe@etherboot.org, Naphtali Sprei <nsprei@redhat.com>
Subject: Re: [Qemu-devel] Stack corruption problem with SeaBIOS/gPXE under QEMU
Date: Wed, 18 Nov 2009 15:50:20 +0200 [thread overview]
Message-ID: <4B03FB9C.8040407@redhat.com> (raw)
In-Reply-To: <20091118093949.GA18543@redhat.com>
On 11/18/2009 11:39 AM, Gleb Natapov wrote:
>
>> Hi Avi,
>>
>> Can you send the full qemu command line that you used? I can't seem
>> to reproduce this on my setup.
>>
>> I do see an issue if SeaBIOS's reboot vector is called (eg, by using
>> "sendkey ctrl-alt-delete" while still in the bios) because seabios
>> allows gpxe to modify itself, and on a seabios only reboot the gpxe
>> rom isn't recopied and gpxe therefore gets confused. However, on a
>> linux invoked reboot, it looks like a full machine reset occurs and
>> qemu recopies the gpxe rom, so that doesn't seem to be an issue.
>>
>>
> Do we have the same problem with tpr patching rom (vapic,bin)? It modifies
> itself too.
>
But a reset will reload it.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
next prev parent reply other threads:[~2009-11-18 13:50 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-12 11:20 [Qemu-devel] Stack corruption problem with SeaBIOS/gPXE under QEMU Naphtali Sprei
2009-11-14 19:47 ` Kevin O'Connor
2009-11-15 9:43 ` Naphtali Sprei
2009-11-16 13:36 ` Avi Kivity
2009-11-16 14:02 ` Avi Kivity
2009-11-17 2:26 ` Kevin O'Connor
2009-11-17 13:23 ` Avi Kivity
2009-11-21 0:47 ` Kevin O'Connor
2009-11-29 10:58 ` Avi Kivity
2009-11-18 9:39 ` Gleb Natapov
2009-11-18 9:49 ` Alexander Graf
2009-11-18 9:53 ` Gleb Natapov
2009-11-18 12:58 ` Kevin O'Connor
2009-11-18 13:06 ` Kevin O'Connor
2009-11-18 14:22 ` Gleb Natapov
2009-11-18 15:38 ` [gPXE] " Joshua Oreman
2009-11-19 1:07 ` Kevin O'Connor
2009-11-18 13:50 ` Avi Kivity [this message]
2009-11-18 14:19 ` Gleb Natapov
2009-11-18 14:21 ` Avi Kivity
2009-11-20 22:39 ` Kevin O'Connor
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