Re: percpu crash on NetBurst

2011-09-21 Thread Avi Kivity
On 09/21/2011 05:28 PM, Avi Kivity wrote: Coming back to this, the trigger if cpuid family=6 and model>=13 (model 12 works). Looks like the code disables rep_good is some MSR doesn't have the expected value. While we should configure the MSR correctly, it looks like the fallback code for !r

Re: percpu crash on NetBurst

2011-09-21 Thread Avi Kivity
On 08/08/2011 12:55 PM, Tejun Heo wrote: Hello, Avi. On Sun, Aug 07, 2011 at 06:32:35PM +0300, Avi Kivity wrote: > qemu, under some conditions (-cpu host or -cpu kvm64), erroneously > passes family=15 as the virtual cpuid. This causes a BUG() in > percpu code during late boot: > > -

Re: percpu crash on NetBurst

2011-08-08 Thread Tejun Heo
Hello, Avi. On Sun, Aug 07, 2011 at 06:32:35PM +0300, Avi Kivity wrote: > qemu, under some conditions (-cpu host or -cpu kvm64), erroneously > passes family=15 as the virtual cpuid. This causes a BUG() in > percpu code during late boot: > > [ cut here ] > kernel BUG at mm