Re: [kvm] Re: [kvm] Re: [kvm] Re: [kvm] Re: [kvm] Re: [kvm] Re: tcpdump locks up kvm host for a while.

2011-10-04 Thread Avi Kivity
On 10/03/2011 05:03 AM, Robin Lee Powell wrote: Alternatively, detailed instructions to reproduce? Start a VM. Wait a few days. Run tcpdump. The system locks up for 30+ seconds. How do you detect the lockup? Are you at the console when this happens and everything just

Re: [kvm] Re: [kvm] Re: tcpdump locks up kvm host for a while.

2011-10-02 Thread Avi Kivity
On 10/02/2011 02:45 AM, Robin Lee Powell wrote: I'm afraid clocksource=hpet didn't help much; after about 24 hours up, tcpdump hung the machine for for about 10 seconds. That may or may not be better than usual; I haven't been timing things precisely. My suspicion is that it's slightly better,

Re: [kvm] Re: [kvm] Re: [kvm] Re: tcpdump locks up kvm host for a while.

2011-10-02 Thread Robin Lee Powell
On Sun, Oct 02, 2011 at 07:06:35PM +0200, Avi Kivity wrote: On 10/02/2011 02:45 AM, Robin Lee Powell wrote: I'm afraid clocksource=hpet didn't help much; after about 24 hours up, tcpdump hung the machine for for about 10 seconds. That may or may not be better than usual; I haven't been timing

Re: [kvm] Re: [kvm] Re: [kvm] Re: tcpdump locks up kvm host for a while.

2011-10-02 Thread Avi Kivity
On 10/02/2011 07:07 PM, Robin Lee Powell wrote: On Sun, Oct 02, 2011 at 07:06:35PM +0200, Avi Kivity wrote: On 10/02/2011 02:45 AM, Robin Lee Powell wrote: I'm afraid clocksource=hpet didn't help much; after about 24 hours up, tcpdump hung the machine for for about 10 seconds. That may or

Re: [kvm] Re: [kvm] Re: [kvm] Re: [kvm] Re: tcpdump locks up kvm host for a while.

2011-10-02 Thread Robin Lee Powell
On Sun, Oct 02, 2011 at 07:12:42PM +0200, Avi Kivity wrote: On 10/02/2011 07:07 PM, Robin Lee Powell wrote: On Sun, Oct 02, 2011 at 07:06:35PM +0200, Avi Kivity wrote: On 10/02/2011 02:45 AM, Robin Lee Powell wrote: I'm afraid clocksource=hpet didn't help much; after about 24 hours up,

Re: [kvm] Re: [kvm] Re: [kvm] Re: [kvm] Re: tcpdump locks up kvm host for a while.

2011-10-02 Thread Avi Kivity
On 10/02/2011 07:13 PM, Robin Lee Powell wrote: On Sun, Oct 02, 2011 at 07:12:42PM +0200, Avi Kivity wrote: On 10/02/2011 07:07 PM, Robin Lee Powell wrote: On Sun, Oct 02, 2011 at 07:06:35PM +0200, Avi Kivity wrote: On 10/02/2011 02:45 AM, Robin Lee Powell wrote: I'm afraid

Re: [kvm] Re: [kvm] Re: [kvm] Re: [kvm] Re: [kvm] Re: tcpdump locks up kvm host for a while.

2011-10-02 Thread Robin Lee Powell
On Sun, Oct 02, 2011 at 07:21:08PM +0200, Avi Kivity wrote: On 10/02/2011 07:13 PM, Robin Lee Powell wrote: On Sun, Oct 02, 2011 at 07:12:42PM +0200, Avi Kivity wrote: On 10/02/2011 07:07 PM, Robin Lee Powell wrote: On Sun, Oct 02, 2011 at 07:06:35PM +0200, Avi Kivity wrote: On

Re: [kvm] Re: [kvm] Re: [kvm] Re: [kvm] Re: [kvm] Re: tcpdump locks up kvm host for a while.

2011-10-02 Thread Avi Kivity
Well, any messages? None I can find. I'll try again later today and double check. Please do. Alternatively, detailed instructions to reproduce? Start a VM. Wait a few days. Run tcpdump. The system locks up for 30+ seconds. How do you detect the lockup? Are you at the

Re: [kvm] Re: [kvm] Re: [kvm] Re: [kvm] Re: [kvm] Re: [kvm] Re: tcpdump locks up kvm host for a while.

2011-10-02 Thread Robin Lee Powell
On Sun, Oct 02, 2011 at 03:38:29PM -0400, Avi Kivity wrote: Well, any messages? None I can find. I'll try again later today and double check. Please do. Oct 2 19:53:01 vrici dbus: [system] Activating service name='net.reactivated.Fprint' (using servicehelper) Oct 2 19:53:01

Re: [kvm] Re: [kvm] Re: [kvm] Re: [kvm] Re: [kvm] Re: [kvm] Re: tcpdump locks up kvm host for a while.

2011-10-02 Thread Nikola Ciprich
When I run tcpdump on a *guest*, the entire guest completely freezes up; no response even to hitting enter on the console. virsh list also locks up whenever it tries to print state about that VM (but the others work fine), as does any other operation that touches the state of that VM. The

Re: [kvm] Re: [kvm] Re: tcpdump locks up kvm host for a while.

2011-10-01 Thread Robin Lee Powell
I'm afraid clocksource=hpet didn't help much; after about 24 hours up, tcpdump hung the machine for for about 10 seconds. That may or may not be better than usual; I haven't been timing things precisely. My suspicion is that it's slightly better, but it's still not great. Also: rlpowell@vrici