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Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE
From: |
Alexander Graf |
Subject: |
Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE |
Date: |
Mon, 02 Nov 2009 14:15:33 +0100 |
User-agent: |
Thunderbird 2.0.0.23 (X11/20090817) |
Avi Kivity wrote:
> On 11/02/2009 02:51 PM, Alexander Graf wrote:
>> Anthony Liguori wrote:
>>
>>> Hi,
>>>
>>> I just wanted to let everyone know that I've switched the PC machine
>>> type to SeaBIOS and gPXE. SeaBIOS is a port of the Bochs BIOS to GCC,
>>> by Kevin O'Conner, along with quite a lot of clean up and new feature
>>> work.
>>>
>>> gPXE is the new development tree of etherboot which is now
>>> deprecated. We've done a lot of testing of and while there are a few
>>> outstanding issues, almost everything seems to be working okay.
>>>
>>> Some known issues:
>>> o e1000 pxe booting doesn't seem to work
>>> o gPXE does not like the slirp tftp server
>>> o SeaBIOS doesn't support CPU hotplug (not an issue for upstream qemu)
>>>
>>> I've renamed the old pcbios to pcbios.bin. If you suspect a bug in
>>> SeaBIOS, you can use "-bios pcbios.bin" to try with the old BIOS in an
>>> effort to debug.
>>>
>>> I want to thank everyone who helped make this all happen. It was a
>>> big effort and I think it's going to be a really nice feature for the
>>> 0.12.0 release!
>>>
>>>
>> -kernel (w/ Linux) breaks.
>>
>
> What do the dumps mean? when are they taken?
>
They are taken with -d in_asm,cpu,int after doing:
$ ./x86_64-softmmu/qemu-system-x86_64 -kernel ../kvm/arch/x86/boot/bzImage
with a fresh checkout from your kvm kernel tree (make defconfig) and a
fresh git checkout of qemu (./configure --target-list=x86_64-softmmu)
They basically mean that with SeaBIOS the Linux loading code is trying
to jump off to zeros while at the same place there is useful data using
pcbios.bin.
Alex
- Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE, Alexander Graf, 2009/11/02
- Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE, Avi Kivity, 2009/11/02
- Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE,
Alexander Graf <=
- Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE, Avi Kivity, 2009/11/02
- Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE, Kevin O'Connor, 2009/11/02
- Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE, Avi Kivity, 2009/11/02
- Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE, Alexander Graf, 2009/11/02
- Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE, Avi Kivity, 2009/11/02
- Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE, Glauber Costa, 2009/11/09
- Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE, Avi Kivity, 2009/11/10
- Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE, Alexander Graf, 2009/11/10
- Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE, Avi Kivity, 2009/11/10
- Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE, Alexander Graf, 2009/11/10