netdev - Re: mlx4: "failed to allocate default counter port 1"

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Message-ID: <alpine.LFD.2.11.1506301520180.1799@denkbrett>
Date:	Tue, 30 Jun 2015 15:24:58 +0200 (CEST)
From:	Sebastian Ott <sebott@...ux.vnet.ibm.com>
To:	Or Gerlitz <ogerlitz@...lanox.com>
cc:	Eran Ben Elisha <eranbe@...lanox.com>,
	Jack Morgenstein <jackm@....mellanox.co.il>,
	Hadar Hen Zion <hadarh@...lanox.com>, netdev@...r.kernel.org
Subject: Re: mlx4: "failed to allocate default counter port 1"

On Tue, 30 Jun 2015, Or Gerlitz wrote:
> On 6/30/2015 1:45 PM, Sebastian Ott wrote:
> > [   88.909558] mlx4_slave_cmd op=3840, ret=-22, status=3
> > [   88.909562] mlx4_core 0000:00:00.0: mlx4_allocate_default_counters:
> > failed to allocate default counter port 1 err -22
> > [   88.909564] mlx4_core 0000:00:00.0: Failed to allocate default counters,
> > aborting
> > [   88.961735] mlx4_core: probe of 0000:00:00.0 failed with error -22
> 
> Do you run the VF on the same system/kernel as the PF, or the VF is probed to
> VM which runs the latest kernel and the PF runsolder kernel (which?)

The latter case. The PF is driven by a much older Kernel running OFED
2.3.2.0.0.1

> Can you also hook the PF code that serves this flow to see where we actually
> fail? basically, we should be going this way mlx4_ALLOC_RES_wrapper -->
> counter_alloc_res -- so I'd like to see which of the branches in
> counter_alloc_res fails...

Nope, I don't have direct access to the PF, sry.

Sebastian
> 
> Or.
> 
> 
> 
> 

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