Re: [Qemu-devel] [BUG] QEMU crashes when 64bit BAR is present

[Alexey Korolev]

Hi Gerd,
>   Hi,
>
>> And qemu error output is:
>> qemu: /home/akorolev/qemu-kvm/exec.c:2255: register_subpage: Assertion 
>> `existing->mr->subpage || existing->mr == &io_mem_unassigned' failed.
>>
>> Guest OS is Centos 5.5 and log is pretty boring, as qemu crashes before 
>> Linux can report an issue.
> Where does it crash? seabios? linux kernel?
> Still reproducable with 1.3.0?
It is a qemu core assertion.
Haven't tried 1.3.0 yet, can try it today.
The bug is quite easy to reproduce, if use ivshmem with 64bit tweaks and 
specify size 128M.