All of lore.kernel.org
 help / color / mirror / Atom feed
From: Nikola Ciprich <nikola.ciprich@linuxbox.cz>
To: Avi Kivity <avi@redhat.com>
Cc: kvm <kvm@vger.kernel.org>, Nikola Ciprich <nikola.ciprich@linuxbox.cz>
Subject: Re: windows PIO question
Date: Sun, 5 Feb 2012 22:01:26 +0100	[thread overview]
Message-ID: <20120205210126.GA2321@nik-comp.lan> (raw)
In-Reply-To: <4F2E9BFF.1050700@redhat.com>

[-- Attachment #1: Type: text/plain, Size: 3782 bytes --]

> 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
        qemu-kvm-16441 [000] 12887154.698340: kvm_userspace_exit:   reason KVM_EXIT_IO (2)
        qemu-kvm-16441 [000] 12887154.698343: kvm_entry:            vcpu 1
        qemu-kvm-16441 [000] 12887154.698344: kvm_exit:             [FAILED TO PARSE] exit_reason=30 guest_rip=0xfffff88000dabdbd isa=1 info1=3221225472 info2=0
        qemu-kvm-16441 [000] 12887154.698345: kvm_pio:              pio_write at 0xc000 size 1 count 1
        qemu-kvm-16441 [000] 12887154.698346: kvm_userspace_exit:   reason KVM_EXIT_IO (2)
        qemu-kvm-16441 [000] 12887154.698348: kvm_entry:            vcpu 1
        qemu-kvm-16441 [000] 12887154.698349: kvm_exit:             [FAILED TO PARSE] exit_reason=30 guest_rip=0xfffff88000dabdbd isa=1 info1=3221356544 info2=0
        qemu-kvm-16441 [000] 12887154.698349: kvm_pio:              pio_write at 0xc002 size 1 count 1
        qemu-kvm-16441 [000] 12887154.698350: kvm_userspace_exit:   reason KVM_EXIT_IO (2)
        qemu-kvm-16441 [000] 12887154.698352: kvm_entry:            vcpu 1
        qemu-kvm-16441 [000] 12887154.698353: kvm_exit:             [FAILED TO PARSE] exit_reason=30 guest_rip=0xfffff88000dabca3 isa=1 info1=32964616 info2=0
        qemu-kvm-16441 [000] 12887154.698354: 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] 12887154.698354: kvm_pio:              pio_read at 0x1f7 size 1 count 1
        qemu-kvm-16441 [000] 12887154.698355: kvm_userspace_exit:   reason KVM_EXIT_IO (2)
        qemu-kvm-16441 [000] 12887154.698357: kvm_set_irq:          gsi 14 level 0 source 0
        qemu-kvm-16441 [000] 12887154.698358: kvm_pic_set_irq:      chip 1 pin 6 (edge|masked)
        qemu-kvm-16441 [000] 12887154.698358: kvm_ioapic_set_irq:   pin 14 dst 3 vec=97 (LowPrio|logical|edge)
        qemu-kvm-16441 [000] 12887154.698360: kvm_entry:            vcpu 1
        qemu-kvm-16441 [000] 12887154.698362: kvm_exit:             [FAILED TO PARSE] exit_reason=30 guest_rip=0xfffff88000dabca3 isa=1 info1=32964616 info2=0
        qemu-kvm-16441 [000] 12887154.698363: 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] 12887154.698363: kvm_pio:              pio_read at 0x1f7 size 1 count 1

n.


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

-- 
-------------------------------------
Ing. Nikola CIPRICH
LinuxBox.cz, s.r.o.
28. rijna 168, 709 01 Ostrava

tel.:   +420 596 603 142
fax:    +420 596 621 273
mobil:  +420 777 093 799

www.linuxbox.cz

mobil servis: +420 737 238 656
email servis: servis@linuxbox.cz
-------------------------------------

[-- Attachment #2: Type: application/pgp-signature, Size: 198 bytes --]

  reply	other threads:[~2012-02-05 21:01 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-02 21:16 windows PIO question Nikola Ciprich
2012-02-05 15:10 ` Avi Kivity
2012-02-05 21:01   ` Nikola Ciprich [this message]
2012-02-06  9:50     ` Avi Kivity
2012-02-07  8:25       ` Nikola Ciprich

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20120205210126.GA2321@nik-comp.lan \
    --to=nikola.ciprich@linuxbox.cz \
    --cc=avi@redhat.com \
    --cc=kvm@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.