nvme-fabrics: crash at nvme connect-all

Marta Rybczynska mrybczyn at kalray.eu
Thu Jun 9 05:12:01 PDT 2016


----- Le 9 Juin 16, à 13:09, Sagi Grimberg sagi at lightbits.io a écrit :

>> Hello Sagi,
>> Unfortunately it crashes still (this time at the first connect already).
>> I'm investigating this.
> 
> OK, looking further into your bug report its actually different from
> the one I got. I do think that this patch makes sense regardless.
> 
> From your log I can only guess that you are using iWARP devices?
> because I see that nvmet tries to init an MR pool and seem to
> run out of memory...
> 
> Which device are you using? Are you running on a low memory machine?
> Perhaps the rdma rw code needs to check max_mr capability?
> 

It's a rather big machine with 8 cores/16GB of memory, never had memory
limitation problems on this one. The card is a Chelsio T5. One of the
targets of this configuration is to check if it works with this card.

> Also, are you running the host and target on a single server? it might
> be possible that it requires more resources than the host (or device)
> has?

Yes, that might be an important point.


-- 

Marta Rybczynska 

Phone : +33 6 71 09 68 03 
mrybczyn at kalray.eu



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