[ofa-general] RE: [Bug 465] IPoIB CM HA fails after several hoursof failures

[Michael S. Tsirkin]

> Quoting Philippe.GREGOIRE at CEA.FR <Philippe.GREGOIRE at CEA.FR>:
> Subject: RE : [ofa-general] RE: [Bug 465] IPoIB CM HA fails after several hoursof failures
> 
> Michael
> tracing route between HCA port and the subnet manager will give the lid of the
> switch connected to this HCA port :

Cool, thanks!

> [root at cors127 ~]# ibtracert 26 14 2>&1 | awk '(NR==2) {print $7}'
> 0x2-0x2
> 
> HCA port lid and its subnet manager lid are available in /sys/infiniband, so
> it 's better to do :
> 
> [root at cors127 ~]# ibtracert $(</sys/class/infiniband/mthca0/ports/1/lid) $(</
> sys/class/infiniband/mthca0/ports/1/sm_lid) 2>&1 | awk '(NR==2) {sub(/-.*/, "",
> $7); print $7}'
> 0x2
> 
> PS: redirection of stderr to stdout is required as ibtracert gives all info on
> stderr.

Why is that? Hal?
I guess I'll file a bug for ibtracert on this.


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MST