On 24/11/2017 13:57, Igor Mammedov wrote:
> I've stumbled on WS2016 hang when trying to list memory map in QEMU.
> 
> Steps to reproduce:
>   qemu-system-x86_64 -monitor stdio -enable-kvm -m 1G ws2016x64.img
>  wait till guest boots and execute in monitor 
>   (qemu) info mem
> 
> qemu will hang while printing mappings, consuming 100% cpu and not
> responding to ^C.
> 
> I've also tried with old (2.8) and current qemu master and today's
> upstream kernel where it also doesn't work but WS2012R2x64 guest
> works just fine.
> 
> PS:
> CCing KVM list as the issue happens only when KVM is enabled.

"info mem" code sucks and is unreadable.  We really should rewrite the
MMU stuff in TCG. :(

But, what is the backtrace?

Paolo

Reply via email to