Re: Update Seabios on xen-unstable

[Fabio Fantoni <fantonifabio@tiscali.it>]

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Il 23/01/2013 16:23, Fabio Fantoni ha scritto:
> Il 11/01/2013 15:32, Ian Campbell ha scritto:
>> On Fri, 2013-01-11 at 14:26 +0000, Fabio Fantoni wrote:
>>> I know that isn't optimal use firmware passtrought for vgabioses but 
>>> I'm
>>> not sure that seabios actually loads (automatically) the vgabioses.
>> SeaBIOS *does* load the VGA BIOS. You can see it if you use SDL (or are
>> quick enough with the VNC).
>>
>> Ian.
>>
>>
>>
>> -----
>> Nessun virus nel messaggio.
>> Controllato da AVG -www.avg.com
>> Versione: 2013.0.2890 / Database dei virus: 2637/6024 -  Data di 
>> rilascio: 10/01/2013
>>
>>
> I done other test with all spice seabios and qemu updated.
> Based on qxl patch v7 ( 
> http://lists.xen.org/archives/html/xen-devel/2013-01/msg01405.html ) 
> by default xen should assign 128 mb total of videoram and also set 
> with -global to qemu the 2 qxl ram region correctly to 64 mb each.
>
> I actived also qxl debug and on log show this:
> /var/log/xen/qemu-dm-W7.log
> qxl-0: ram/pri: 32 MB [region 0]
> qxl-0: vram/32: 0 MB [region 1]
> qxl-0: vram/64: 0 MB [unmapped]
> ...
>
>
> Seem can use only 32 mb and only on one region instead of 64 mb on 
> region 0 and 64 mb on region 1
> Added as attachment also with log of xl -vvv create
>
> Does anyone know what can cause this problem?
> Can be somethink in hvmloader that fixed videoram to one region 32 mb 
> always?
>
> Thanks for any reply and sorry for my bad english.
>
Tried Wheezy hvm domU with xen, qemu crash and give this out of memory 
error on qemu log:
id 0, group 0, virt start 0, virt end ffffffffffffffff, generation 0, 
delta 0
id 1, group 1, virt start 7f3034a29000, virt end 7f3035a27000, 
generation 0, delta 7f3034a29000
id 2, group 1, virt start 7f30337ff000, virt end 7f3033803000, 
generation 0, delta 7f30337ff000
(/usr/sbin/xl:19287): Spice-CRITICAL **: 
red_memslots.c:94:validate_virt: virtual address out of range
     virt=0x7f3035a29398+0xbf slot_id=1 group_id=1
     slot=0x7f3034a29000-0x7f3035a27000 delta=0x7f3034a29000

Same domU launching qemu only:
/usr/lib/xen/bin/qemu-system-i386 -name WHEEZY -k it -spice 
port=6002,tls-port=0,addr=0.0.0.0,disable-ticketing,agent-mouse=on 
-device qxl-vga -global qxl-vga.vram_size=16384 -global 
qxl-vga.ram_size=16384 -boot order=dc -smp 2,maxcpus=2 --global 
qxl-vga.debug=1 -global qxl-vga.guestdebug=20 -m 2016 -drive 
file=/mnt/vm/disks/WHEEZY.disk1.xm,if=ide,index=0,media=disk,format=raw,cache=writeback

No qemu crash and no memory error, this is probably the confirm some xen 
memory bug with hvm.


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