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Re: [Qemu-devel] [PATCH v4 3/5] acpi: pc: add fw_cfg device node to ssdt


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH v4 3/5] acpi: pc: add fw_cfg device node to ssdt
Date: Wed, 30 Sep 2015 16:27:04 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0


On 30/09/2015 16:16, Gabriel L. Somlo wrote:
>>> > > Yes, we're OK. Throughout it all I *meant* to write 0x0B (bee), but my
>>> > > brain sometimes mistakenly makes me write 0x08 (eight) instead. Sorry 
>>> > > for
>>> > > the confusion... :)
>> > 
>> > IIRC from the pvpanic trainwreck, Windows XP and 2003 always complain
>> > even for 0x0B about a missing driver.
> Don't have 2003, but dug up and started my old xp_sp3 image, and
> Device Manager only complains when _STA defaults to 0x0f (i.e. when
> I omit generating it in aml completely).
> 
> With _STA set to 0x0b (like in the latest version of the patch), the
> fw_cfg device does not show up with a missing device complaint on xp.

Great, thanks for testing.

Paolo



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