On Wed, Jul 10, 2013 at 06:23:26PM +0200, Bernd Schubert wrote: > On 07/10/2013 06:16 PM, Gleb Natapov wrote: > >On Wed, Jul 10, 2013 at 06:06:27PM +0200, Bernd Schubert wrote: > >>On 07/10/2013 06:02 PM, Gleb Natapov wrote: > >>>On Wed, Jul 10, 2013 at 04:16:46PM +0200, Bernd Schubert wrote: > >>>>Hi all, > >>>> > >>>>I found a way to reliably crash my host system: > >>>> > >>>>1) Boot guest VM with init=/bin/bash > >>>> > >>>>2) In guest VM: echo b >/proc/sysrq-trigger > >>>> > >>>>3) Try to reboot the guest -> crashes the host during kernel initialization > >>>> > >>>What 3 means? 2 already reboots it. > >> > >>Sorry, not a good wording. The guest reboots, goes through grub, > >>starts the kernel and the host then crashes during early > >>initialization of the guest kernel. > >And if you boot it without init= first and just reboot it with "reboot" > >does the same happens? > > I currently need the host and the VMs, so I can't try that right now. > > > > >Can your attach your .config here? Also can you compile KSM out and > >retry? > > The host config ist attached. > > I probably will only manage to test that on Friday afternoon, I > guess only the host KSM is important? > Yes. -- Gleb. -- 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
