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[Qemu-devel] Re: Breakage with local APIC routing
From: |
Johannes Schindelin |
Subject: |
[Qemu-devel] Re: Breakage with local APIC routing |
Date: |
Tue, 25 Aug 2009 13:48:57 +0200 (CEST) |
User-agent: |
Alpine 1.00 (DEB 882 2007-12-20) |
Hi,
On Tue, 25 Aug 2009, Jan Kiszka wrote:
> Johannes Schindelin wrote:
>
> > On Sun, 17 Aug 2008, Jan Kiszka wrote:
> >
> >> Johannes Schindelin wrote:
> >>
> >>> On Wed, 13 Aug 2008, Jan Kiszka wrote:
> >>>
> >>>> Johannes Schindelin wrote:
> >>>>> due to the change in revision 3371 (well, at that time, CVS was
> >>>>> used, which was no better than Subversion) installation of win64
> >>>>> is broken in QEmu. The commit message reads like this:
> >>>>>
> >>>>> Don't route PIC interrupts through the local APIC if the local
> >>>>> APIC config says so. By Ari Kivity.
> >>>> I recalled some earlier post on this which claimed to fix the issue
> >>>> and found it in the archive:
> >>>>
> >>>> http://permalink.gmane.org/gmane.comp.emulators.qemu/25415
> >>> I tried this, and it changes the symptoms, indeed. Instead of an
> >>> endless loop, it results in a bluescreen.
> >>>
> >>> As the OP said that it worked for him, I guess it is either in
> >>> commits that came after his post, or in my add-on patches.
> >> So we are likely on the wrong path. Maybe we have to understand what
> >> happens here first...
> >>
> >>> Hopefully I will find some time to work more on this bug.
> >> Would be interesting to know
> >> - if pic_irq_request is continuously called or if it stops when windows
> >> hangs
> >> - what IRQ vectors are delivered
> >> - in what state the apic is, namely the s->lvt[APIC_LVT_LINT0]
> >
> > Sorry for the long delay. I just don't have time to take care of the
> > issue, but I quickly verified that it still does not work, with aa0cba4
> > (Aug 13 2009).
> >
> > If you are still interested in this issue, could you give me a hint
> > _where_ I should output _which_ values? I'll gladly take time for that
> > now.
>
> If some OS does not properly install due to a possible emulation bug, I
> am interested, for sure. Let's restart this by specifying the test case
> more precisely: What version of Windows are you trying to install?
As far as I remember, it is a plain version of 64-bit XP Pro. (Maybe it
is a custom .iso for my day-job, but I think this is not the case).
> What is your qemu command line?
test -h pc-bios/keymaps || ln -s ../keymaps pc-bios/
./x86_64-softmmu/qemu-system-x86_64 \
-L pc-bios/ \
-m 1024 \
-monitor stdio \
-k en-us \
-hda w64.img \
-cdrom en_win_xp_pro_x64bit.iso \
-fda fat:fat \
-boot d \
-net none \
-localtime
> Where does the installation fail?
"Setup is starting Windows". (Just after "Setup is loading files (...)"
phase.)
> Are there specific steps required during the installation to reproduce
> the problem?
You need a 64-bit XP Pro, then call the command line as I did. It hangs
at
(qemu) info cpus
* CPU #0: pc=0xfffff800010cabeb
This is 100% reproducible.
> And one more question: Did you check that you were using the
> corresponding BIOS to aa0cba4?
Yes, I always use -L pc-bios/ in the same Git working directory, and I
just verified that indeed, the source is clean.
A tiny, gentle reminder: the revision which is now available as 0e21e12b
introduced this particular breakage.
Ciao,
Dscho
- Re: [Qemu-devel] Re: Breakage with local APIC routing, (continued)
- Re: [Qemu-devel] Re: Breakage with local APIC routing, Mohammed Gamal, 2009/08/25
- Re: [Qemu-devel] Re: Breakage with local APIC routing, Jan Kiszka, 2009/08/25
- Re: [Qemu-devel] Re: Breakage with local APIC routing, Mohammed Gamal, 2009/08/25
- Re: [Qemu-devel] Re: Breakage with local APIC routing, Mohammed Gamal, 2009/08/25
- Re: [Qemu-devel] Re: Breakage with local APIC routing, Jan Kiszka, 2009/08/25
- Re: [Qemu-devel] Re: Breakage with local APIC routing, Juergen Lock, 2009/08/26
- Re: [Qemu-devel] Re: Breakage with local APIC routing, Jan Kiszka, 2009/08/27
- Re: [Qemu-devel] Re: Breakage with local APIC routing, Juergen Lock, 2009/08/29
- Re: [Qemu-devel] Re: Breakage with local APIC routing, Jan Kiszka, 2009/08/31
- Re: [Qemu-devel] Re: Breakage with local APIC routing, Juergen Lock, 2009/08/31
[Qemu-devel] Re: Breakage with local APIC routing,
Johannes Schindelin <=
[Qemu-devel] Re: Breakage with local APIC routing, Jan Kiszka, 2009/08/27