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Re: [Qemu-devel] Fwd: Problem booting 32 bit guest on 64 bit host using


From: Mark Blakeney
Subject: Re: [Qemu-devel] Fwd: Problem booting 32 bit guest on 64 bit host using kvm
Date: Tue, 1 Jan 2013 21:17:52 +1000

Linux pc 3.7.0-7-generic #15-Ubuntu SMP Sat Dec 15 16:34:25 UTC 2012
x86_64 x86_64 x86_64 GNU/Linux (Ubuntu version 3.7.0.7.11)

I am using xorg edgers on Ubuntu 12.10 because I have a brand new box
and have been seeing graphics issues so trying latest drivers.
However, I am fairly sure I tried booting that qemu image on the stock
Ubuntu kernel (3.5.0.21.27) with the same result.

--
Mark Blakeney.


On Tue, Jan 1, 2013 at 8:08 PM, Gleb Natapov <address@hidden> wrote:
> On Tue, Jan 01, 2013 at 11:17:52AM +1000, Mark Blakeney wrote:
>> Hi, I am inexperienced using QEMU and hoping somebody here can help me.
>>
>> Some time ago I cloned a disk image of an old Solaris legacy system and was
>> able to successfully boot and use it within QEMU. Recently I upgraded my
>> host from i386 Ubuntu 12.04 to a new box running x86_64 Ubuntu 12.10. Now I
>> find that the same qemu command line results in that guest failing to boot
>> with a "no active boot partition" error message.
>>
>> The command I have been using is:
>>
>> qemu-system-i386 \
>>   -machine pc,accel=kvm \
>>   -m 256M \
>>   -vga std \
>>   -net nic,vlan=1,model=pcnet \
>>   -net user,vlan=1,hostfwd=::8050-$GUEST:22 \
>>   -hda "$DISK"
>>
>> I find that if I change to "accel=tcg" in above command (or add -no-kvm)
>> then the guest will boot ok but I find my host works much harder & slower
>> than when I use kvm. Is there a qemu option so I can use kvm but get around
>> this guest boot issue?
>>
> What is your kernel version?
>
> --
>                         Gleb.



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