From: Bart Van Assche <bvanassche-HInyCGIudOg@public.gmane.org>
To: Sagi Grimberg
<sagig-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>,
Mark Lehrer <lehrer-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Eli Cohen <eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: Re: mlx5 + SRP: max_qp_sz mismatch
Date: Wed, 27 Aug 2014 13:19:46 +0200 [thread overview]
Message-ID: <53FDBED2.2060707@acm.org> (raw)
In-Reply-To: <53FCB18F.5030608-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
On 08/26/14 18:10, Sagi Grimberg wrote:
> On 8/20/2014 6:51 PM, Mark Lehrer wrote:
>>> From what I see srp_sq_size is controlled via
>>> configfs. Can you set it to 2048 just for the sake of
>>> confirmation this is indeed the issue?
>>
>> Now that we have confirmed that this works, what is the proper way to
>> fix the problem? Is the core issue with mlx5 or srp?
>
> Since I don't know how true send queue size can be computed from the
> device capabilities at the moment -I can suggest a fix to srpt to retry
> with srp_sq_size/2 (ans so on until it succeeds...)
>
> CC'ing Bart and Eli.
Sounds fine to me. I wish a more elegant approach would be possible but
I have not yet found an approach that is more elegant.
Bart.
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next prev parent reply other threads:[~2014-08-27 11:19 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-18 23:20 mlx5 + SRP: max_qp_sz mismatch Mark Lehrer
[not found] ` <CADvaNzWGThMx1gMYfheFVwHzk10+8KWmAPkYZ1_FxArhdmri8Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-08-19 14:50 ` Sagi Grimberg
[not found] ` <53F36420.3060607-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-08-19 17:01 ` Mark Lehrer
[not found] ` <CADvaNzVkKuvHw58meQD962VSm4Y-QZoHC3ndsYSBW8rw7S68cw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-08-20 15:51 ` Mark Lehrer
[not found] ` <CADvaNzWAZiNiwBAVYVA5it7K3A4CAozkeHn8SowYNT7iE6YykA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-08-26 16:10 ` Sagi Grimberg
[not found] ` <53FCB18F.5030608-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-08-27 11:19 ` Bart Van Assche [this message]
[not found] ` <53FDBED2.2060707-HInyCGIudOg@public.gmane.org>
2014-08-27 11:28 ` Eli Cohen
[not found] ` <CFE9BFE80FFE4D4892AA5D31387E310F014FC414E5-LSMZvP3E4uyuSA5JZHE7gA@public.gmane.org>
2014-08-28 15:58 ` Bart Van Assche
[not found] ` <53FF51BE.1080103-HInyCGIudOg@public.gmane.org>
2014-09-02 17:36 ` Mark Lehrer
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