http://openib.org/bugzilla/show_bug.cgi?id=122
Summary: mad layer problem
Product: OpenFabrics Linux
Version: gen2
Platform: All
OS/Version: Other
Status: NEW
Severity: blocker
Priority: P2
Component: IB Core
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
CC: [EMAIL PROTECTED]
We were running polygraph http://freshmeat.net/projects/polygraph/ over ipoib
and at some time ipoib connectivity was lost. When looking at the state of the
machines (two machines conected through a switch) I noticed that on on one of
the machines, I could not run any program that uses mads. Specifically I tried
sminfo and then opensm, both got stuck. I assume what happend is that at some
time the kernel refreshed its arp cache and at that time there was already a
problem in sending mads so the kernel could not resolve the address so ipoib
connectivity got lost.
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