On 01/19/2014 05:44 AM, Chris Elliott wrote: > > Is anyone running lots of Xen HVM guests on a 3.10 Dom0 kernel? > > We’ve had a few weird issues where PV guests are fine, but HVM guests > are getting < 1Kb/s network throughput. The configuration on the host > machine, VIF and inside the VM is fine. CPU and IO is fine too. > > It only seems to affect servers with Broadcom network chipsets. > Rolling back to a 3.4 Dom0 kernel fixes the problem, so its either > driver (bnx2?) related or something else. > > Not sure what to look at next to troubleshoot this as there are no > errors anywhere, but if anyone has a test server with a brodcom NIC > please can you test? > > We’ve had this on 3 production servers now, but I cant really do any > more testing on those as they are full of active VMs. > > Can you see if it uses the same firmware in both kernels? And which file does it use for firmware for the nic.
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