On Thu, Jun 16, 2016 at 04:16:00PM +0530, Aneesh Kumar K.V wrote: > "Aneesh Kumar K.V" <aneesh.ku...@linux.vnet.ibm.com> writes: > > > "Darrick J. Wong" <darrick.w...@oracle.com> writes: > > > >> On Thu, Jun 16, 2016 at 03:23:47PM +1000, Michael Ellerman wrote: > >>> On Wed, 2016-06-15 at 21:33 -0700, Darrick J. Wong wrote: > >>> > >>> > Hi Aneesh, > >>> > > >>> > I noticed when trying out 4.7-rc3 on qemu-2.5 that the kernel no longer > >>> > boots. 4.6 booted just fine, so I bisected the kernel to the commit > >>> > 30bda41aba4efb2370c97e2cbe7385de93ccc372, which is "powerpc/mm: Drop > >>> > WIMG in > >>> > favour of new constants". The changelog suggests that the KVM changes > >>> > need > >>> > closer review, and here's an actual crash: > >>> > > >>> > (I can send libvirt's machine xml, .config, and full dmesg if that > >>> > helps.) > >>> > >>> Yes please. > >>> > >>> I'm successfully booting 4.7-rc's on qemu (2.5.0 (Debian > >>> 1:2.5+dfsg-5ubuntu10.1)). > >> > >> Ok, see attached. I also sent along the dpkg --status output for qemu > >> and qemu-slof; looks like we're running the same Ubuntu packages... > >> > >> ...my host kernel is 4.6.0 on x64. > > > > So this is Qemu TCG mode right ? I will try some test and update later. > > > > I am able to reproduce this with > > qemu-system-ppc64 -kernel vmlinux -machine > type=pseries,usb=off -smp 1 -m 1G -vga none -nographic -device > usb-ehci -device usb-kbd -device usb-mouse > > Looks like enabling usb device is the issue.
<nod> Unfortunately, libvirt cleverly reinstalls the usb configuration if I delete all the usb lines from the xml file. I don't need USB, I'm merely the stuckee. ;) --D > > -aneesh > _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
