Re: [Qemu-devel] networking stalls in the guest -- backlog in the host

2014-04-23 Thread Stefan Hajnoczi
On Tue, Apr 01, 2014 at 09:43:42AM -0600, David Ahern wrote: > On 4/1/14, 9:09 AM, Stefan Hajnoczi wrote: > >On Thu, Mar 27, 2014 at 04:13:15PM -0600, David Ahern wrote: > >> > >>We are hitting a networking problem and hoping someone has an idea > >>-- perhaps a known bug. > >> > >>After a couple o

Re: [Qemu-devel] networking stalls in the guest -- backlog in the host

2014-04-01 Thread David Ahern
On 4/1/14, 9:09 AM, Stefan Hajnoczi wrote: On Thu, Mar 27, 2014 at 04:13:15PM -0600, David Ahern wrote: We are hitting a networking problem and hoping someone has an idea -- perhaps a known bug. After a couple of hours of runtime with low level traffic (e.g., 1 sec pings) the VM stops receivin

Re: [Qemu-devel] networking stalls in the guest -- backlog in the host

2014-04-01 Thread Stefan Hajnoczi
On Thu, Mar 27, 2014 at 04:13:15PM -0600, David Ahern wrote: > > We are hitting a networking problem and hoping someone has an idea > -- perhaps a known bug. > > After a couple of hours of runtime with low level traffic (e.g., 1 > sec pings) the VM stops receiving packets. In the host running tc

[Qemu-devel] networking stalls in the guest -- backlog in the host

2014-03-27 Thread David Ahern
We are hitting a networking problem and hoping someone has an idea -- perhaps a known bug. After a couple of hours of runtime with low level traffic (e.g., 1 sec pings) the VM stops receiving packets. In the host running tc on the tap device shows a full backlog and packets getting dropped: