[Qemu-devel] [regression] QEMU-2.1.0, unable to halt guest.

2014-09-07 Thread Piotr Karbowski
Hi, I've found that there's an issue with shutdown minimal linux guest (just minimal kernel and initramfs with busybox) via 'poweroff -f' and 'echo o /proc/sysrq-trigger' and qemu-2.1.0 does not shutdown. I also tried to boot the host's kernel+initramfs in qemu, the same result, however on

Re: [Qemu-devel] Enabling vhost-net cause insane high memory usage.

2014-01-15 Thread Piotr Karbowski
Hello, On 01/15/2014 11:03 AM, Michael S. Tsirkin wrote: Could you explain how you measure that exactly? I check the resident memory (RES) of qemu-system-x86_64 proces. Yes, this should not happen. One interesting thing to try would be switching device type from virtio-net to e1000.

Re: [Qemu-devel] Enabling vhost-net cause insane high memory usage.

2014-01-15 Thread Piotr Karbowski
On 01/15/2014 10:36 PM, Piotr Karbowski wrote: Hello, On 01/15/2014 11:03 AM, Michael S. Tsirkin wrote: Could you explain how you measure that exactly? I check the resident memory (RES) of qemu-system-x86_64 proces. Yes, this should not happen. One interesting thing to try would

Re: [Qemu-devel] Missing vhost=on support on -netdev bridge.

2014-01-09 Thread Piotr Karbowski
Hi On 01/08/2014 05:29 AM, Stefan Hajnoczi wrote: On Sun, Dec 22, 2013 at 08:59:56PM +0100, Piotr Karbowski wrote: Looks like netdev bridge have no support for vhost=on switch. Would be ince if that could be added. Try -netdev tap,helper=/path/to/qemu-bridge-helper,vhost=on,... Sadly

Re: [Qemu-devel] Missing vhost=on support on -netdev bridge.

2014-01-09 Thread Piotr Karbowski
On 01/09/2014 06:09 PM, Corey Bryant wrote: You should be able to pass a command line like this: -net tap,helper=/usr/local/libexec/qemu-bridge-helper --br=br0 Qemu treat it as one, single command as a whole. : sh: /usr/libexec/qemu-bridge-helper --br=lebridge0: not found failed to

Re: [Qemu-devel] Missing vhost=on support on -netdev bridge.

2014-01-09 Thread Piotr Karbowski
On 01/09/2014 10:33 PM, Piotr Karbowski wrote: On 01/09/2014 06:09 PM, Corey Bryant wrote: You should be able to pass a command line like this: -net tap,helper=/usr/local/libexec/qemu-bridge-helper --br=br0 Qemu treat it as one, single command as a whole. : sh: /usr/libexec/qemu-bridge

[Qemu-devel] Enabling vhost-net cause insane high memory usage.

2014-01-09 Thread Piotr Karbowski
Hello, kernel 3.12.5, qemu-1.7.0. With vhost=on, qemu shortly after start uses all its assigned memory (2G for example), without vhost-net enabled it does not go to more than 200 MB on my idling test virtual machine. 100% reproducable. I think its not how it should be. Full command:

[Qemu-devel] Missing vhost=on support on -netdev bridge.

2013-12-22 Thread Piotr Karbowski
Hi, Looks like netdev bridge have no support for vhost=on switch. Would be ince if that could be added. -- Piotr.

[Qemu-devel] qemu abuse cpu if connected to monitor socket and not red anything.

2013-12-22 Thread Piotr Karbowski
Hi, Occasionally if I connect to monitor on unix socket and quickly disconnect qemu process goes to 100% cpu usage until I connect to the socket agian and actually read whatever there's, usually the qemu welcome banner is printed twice, after the output is recieved qemu goes back to not