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Re: [Qemu-devel] IO port 0x61 is multiple used

From: Gonglei
Subject: Re: [Qemu-devel] IO port 0x61 is multiple used
Date: Tue, 17 Mar 2015 15:11:30 +0800
User-agent: Mozilla/5.0 (Windows NT 6.1; rv:31.0) Gecko/20100101 Thunderbird/31.4.0

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?


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