[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] IO port 0x61 is multiple used
|
From: |
Gerd Hoffmann |
|
Subject: |
Re: [Qemu-devel] IO port 0x61 is multiple used |
|
Date: |
Thu, 19 Mar 2015 12:41:45 +0100 |
On Di, 2015-03-17 at 15:11 +0800, Gonglei wrote:
> On 2015/3/15 20:49, Weidong Huang wrote:
> > Hi ALL:
> >
> > IO port 0x61 is used by pc speaker and NMI reason port.
> >
> > This is ambiguous. How to distinguish in QEMU?
> >
> > I see that NMI reason port is not realized in QEMU.
> >
> > But linux guest will access this port to determine what the NMI reason code
> > means.
> >
> > It will access pc speaker's io port. Is this a bug?
> >
> Gerd, any thoughts?
Not my area of expertise, but can qemu send NMIs to the guest in the
first place?
cheers,
Gerd