On 2012-02-02 15:07, Erik Rull wrote: > > On February 2, 2012 at 2:21 PM Jan Kiszka <jan.kiszka@xxxxxxxxxxx> wrote: > >> On 2012-02-02 14:18, Erik Rull wrote: >>> >>> On February 1, 2012 at 11:05 PM Erik Rull <erik.rull@xxxxxxxxxxxxx> > wrote: >>> >>>> Jan Kiszka wrote: >>>>> 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<avi@xxxxxxxxxx> >>>>>> >>>>>> >>>>>> 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 >>>>> >>>> >>>> It happens directly after the windows boot progress bar is completed > (I >>>> boot without logo) >>>> >>>> With the -no-kvm-irqchip it seems to be fine... >>>> >>>> Best regards, >>>> >>>> Erik >>> >>> >>> Hi Jan, >>> >>> I tested with an ACPI-enabled windows. >>> Results: >>> -no-acpi: Continuous reboots like the no-acpi-windows-version >>> without -no-acpi: boots! >>> >>> So I tested the no-acpi-windows-version without -no-acpi option - still >>> rebooting >>> And without -no-acpi and -no-kvm-irqchip => works again >> >> Interesting. Need to install such a version, I guess. >> >> What about no-acpi-windows and upstream qemu with kvm and -machine >> kernel_irqchip=on? >> >> Jan > > Boots with and without -no-acpi Ok... Either I fixed something magically, or the feature gap makes the difference. In any case, need to reproduce. > > Best regards, > > Erik > > P.S. Too many options for me :-) Not just for you. :) Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
