Benjamin Gilbert wrote: >>> vmx_set_msr: msr_index 0xc0000080 msr->index 0xc0000080 msr->data 0x100 >> >> How did that get in there?! >> >> Please add a dump_stack() after that printk(). > > Pid: 2381, comm: qemu-system-x86 Not tainted 2.6.28-686 #4 > Call Trace: > [] vmx_set_msr+0x150/0x178 [kvm_intel] > [] handle_wrmsr+0x71/0x9d [kvm_intel] Duh, I noted this hole in a previous email. Attached patch should fix. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.