Re: FreeBSD image hangs during boot

Avi Kivity
2007-10-10T13:22:52Z

Aurelien Jarno wrote:
> Avi Kivity a écrit :
>
>> Aurelien Jarno wrote:
>>
>>>>> I also confirm that using -no-acpi fixes the problem. However, I have
>>>>> seen strange data corruption, even on Intel.
>>>>>
>>>>> Basically, booting a recently installed FreeBSD leads to the following
>>>>> message from the bootloader: "No kernel found". And the next time, I get
>>>>> from the *BIOS*: "Boot from Hard Disk failed: not a bootable disk".
>>>>>
>>>>> Looking at the disk image, the partition table (and maybe more?) has
>>>>> disappeared. This is with a raw image disk.
>>>>>
>>>>> If I pass either -no-kvm or -no-kvm-irqchip, the problem disappear.
>>>>>
>>>>>
>>>> I have just got the problem with -no-kvm-irqchip, though it seems to
>>>> happen less often.
>>>>
>>>>
>>> The data corruption seems to come from the userspace part, as I am not
>>> able to reproduce it with the kvm-45 module, and the kvm-44 userspace.
>>>
>>>
>>>
>> Does it occur with -no-kvm?
>>
>>
>
> After a few more tests, I have been able to reproduce it with the
> current CVS version of QEMU. I conclude this is a QEMU or a BIOS
> problem, and not a KVM one.
>
> Sorry for the noise.
>

Well, it still needs to be fixed. I think there's a git import of qemu
available somewhere, that can be used for bisecting.

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