On 4/2/2012 4:25 PM, Hal Rosenstock wrote:
I think there are 3 main issues here:
1. EINVAL can be returned from rate_show and hence "Invalid argument"
rate string should be handled in libibumad. I think this was Bart's original
point.
2. Why is rate_show returning EINVAL ? I think that's what you're trying
to isolate with the additional printks you sent Bart for sysfs.c.
3. link_layer ethernet should also be handled which is the issue you raised.
Just to sync, I just sent kernel patches which should eliminate the case
when EINVAL is seen by rate_show after calling into the mlx4 driver.
This addresses point #2, as for #3, I made a check and forced Ethernet
link layer on IB port, in this case the mlx4 driver issues the ethernet
port query command and it returns valid value for active_speed (4) so I
didn't patch that code too. As for libibumad fixes, I'm not dealing with
that...
Or.
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