From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@redhat.com>
Subject: Re: windows PIO question
Date: Mon, 06 Feb 2012 11:50:07 +0200
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References: <20120202211630.GA4719@nik-comp.lan> <4F2E9BFF.1050700@redhat.com> <20120205210126.GA2321@nik-comp.lan>
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To: Nikola Ciprich <nikola.ciprich@linuxbox.cz>
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On 02/05/2012 11:01 PM, Nikola Ciprich wrote:
> > Not all PIO operations are DMA.  Provide a trace and we can look.
>
> Hi,
> here's snippet:
>
>         qemu-kvm-16441 [000] 12887154.698329: kvm_pio:              pio_read at 0xc002 size 1 count 1
>         qemu-kvm-16441 [000] 12887154.698331: kvm_userspace_exit:   reason KVM_EXIT_IO (2)
>         qemu-kvm-16441 [000] 12887154.698331: kvm_fpu:              unload
>         qemu-kvm-16441 [000] 12887154.698337: kvm_entry:            vcpu 1
>         qemu-kvm-16441 [000] 12887154.698338: kvm_exit:             [FAILED TO PARSE] exit_reason=30 guest_rip=0xfffff88000dabca3 isa=1 info1=3221356552 info2=0
>         qemu-kvm-16441 [000] 12887154.698339: kvm_emulate_insn:     [FAILED TO PARSE] rip=18446735827386678435 csbase=0 len=1 insn=<EC><C3><CC><CC><CC><CC><CC><CC><CC>^O<B7><D1>f<ED><C3>       flags=9 failed=0
>         qemu-kvm-16441 [000] 12887154.698340: kvm_pio:              pio_read at 0xc002 size 1 count 1
>

That's virtio, not IDE.

-- 
error compiling committee.c: too many arguments to function