[ovs-discuss] OpenVSwitch 1.7.0, hard system crashes

Jesse Gross jesse at nicira.com
Wed Sep 19 22:03:27 UTC 2012

On Wed, Sep 19, 2012 at 9:20 AM, Polehn, MikeX A
<mikex.a.polehn at intel.com> wrote:
> During some bidirectional TCP data tests, with low power (1.4 Ghz) 8 core
> sandy bridge processors, open vswitch consistently crashed the system. Same
> setup of tests on the Linux bridge on same SUT were done with no issues.
> Attached is a detailed MS-Word test report (Crystal_Forest
> OVS_8_Part_VMs_Netperf_V0.2_9_17_12.docx) with most with setup details. At
> the end is the test log which shows the sequence to setup  and recovery
> after crashes.

Can you please resend this in plain text instead of a Word doc?

Without any kernel logs this is going to be very difficult to debug so
if it's reproducible you might want to try using kdump to capture

Also, 1.7.1 has at least one kernel bug fix so that's probably a good
first step.

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