"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. -aneesh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
