Changes between Version 30 and Version 31 of Internal/OpenFlow/Notes

Timestamp:

Feb 14, 2010, 10:21:44 PM (15 years ago)

Author:

ssugrim

Comment:

—

Internal/OpenFlow/Notes

@@ -670 +670 @@
 At this point we're ready to try testing the netfpga as a open flow switch. I'm going to pause here and rearrange the networks that the specfic netfpgas belong to. 
 
+=== 2/14/10 ===
+
+James encountered a problem where the kernel nf2 module was throwing errors about buffers:
+{{{
+[  943.700185] nf2: no available transmit/receive buffers
+[  943.700230] nf2: no available transmit/receive buffers
+[  943.700275] nf2: no available transmit/receive buffers
+[  943.700321] nf2: no available transmit/receive buffers
+[  943.700366] nf2: no available transmit/receive buffers
+[  943.700411] nf2: no available transmit/receive buffers
+}}}
+
+According to [http://www.openflowswitch.org/bugs/openflow/ticket/4 Openflow guys], its due to the defective card. James swapped out
+a new card and is attempting to see if it makes a diffrence. Currently the new card is functioning correctly (2/14/10 5:03 pm). The previous card died (started throwing buffer errors) at around 2:00pm on 2/14/10 after about 12 hours of continous operation. 
+
+This problem is not entirely new, as it was seen before with the original card during the regressions tests on Ubuntu. It may be that case that this is an os driver problem as this problem dosen't seem to show up in centos. 
+
+
+
+
 [[BR]]
 [[BR]]