Re: [Qemu-devel] git bisect results: ec757c67c40a56492001487e69272f62144fd124 breaks windows boot in qemu-kvm

[Jan Kiszka]

On 2012-02-01 13:52, Erik Rull wrote:
>  Hi all,
> 
> first of all I'm a bit confused:
> 
> What is the difference between qemu with command line option --enable-kvm
> and qemu-kvm?
> It seems to be a difference in code so far, from the performance point of
> view it seems to be the same...
> 
> Now my issue that lead me to a git bisect on qemu-kvm:
> The following commit / merge breaks my windows guest boot sequence and
> causes resets infinitely:

Cannot confirm yet, but I have no ACPI-free Windows installation at
hand. Where does it reset, after the BIOS?

> ec757c67c40a56492001487e69272f62144fd124 Merge branch 'upstream-merge' into
> next
> Thu, 5 Jan 2012 11:00:07 +0000 (13:00 +0200)    Avi Kivity <address@hidden>
> 
> 
> Interesting: qemu with --enable-kvm master and the same command line
> options as qemu-kvm runs perfect.
> My command line options are:
> qemu-system-x86_64 -serial /dev/ttyS2 -readconfig /etc/ich9-ehci-uhci.cfg
> -device usb-host,bus=ehci.0 -device usb-tablet -drive
> file=/dev/sda2,cache=off -m 1024 -net nic,macaddr=$MACADDR -net
> tap,script=/etc/qemu-ifup -no-acpi -monitor stdio -L /usr/X11R6/share/qemu
> -boot c -localtime

Is the BIOS at /usr/X11R6/share/qemu in sync with the qemu version you
try? Does leaving out options change the picture?

Jan

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