From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Steve Wise <swise@opengridcomputing.com>
Cc: 'Sagi Grimberg' <sagi@grimberg.me>,
'Potnuri Bharat Teja' <bharat@chelsio.com>,
target-devel@vger.kernel.org, nab@linux-iscsi.org,
linux-rdma@vger.kernel.org
Subject: Re: SQ overflow seen running isert traffic
Date: Tue, 18 Oct 2016 10:13:13 -0600 [thread overview]
Message-ID: <20161018161313.GC24189@obsidianresearch.com> (raw)
In-Reply-To: <005101d2294c$be5bb460$3b131d20$@opengridcomputing.com>
On Tue, Oct 18, 2016 at 09:34:33AM -0500, Steve Wise wrote:
> 1) we believe the iSER + RW API correctly sizes the SQ, yet we're seeing SQ
> overflows. So the SQ sizing needs more investigation.
NFS had this sort of problem - in that case it was because the code
was assuming that a RQ completion implied SQ space - that is not
legal, only direct completions from SQ WCs can guide available space
in the SQ..
Jason
next prev parent reply other threads:[~2016-10-18 16:13 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-27 7:01 RQ overflow seen running isert traffic Potnuri Bharat Teja
[not found] ` <20160927070157.GA13140-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org>
2016-09-29 14:12 ` Steve Wise
2016-10-05 6:14 ` Sagi Grimberg
2016-10-17 11:16 ` Potnuri Bharat Teja
2016-10-17 18:29 ` Steve Wise
2016-10-18 8:04 ` Sagi Grimberg
2016-10-18 11:28 ` SQ " Potnuri Bharat Teja
2016-10-18 13:17 ` Sagi Grimberg
[not found] ` <ed7ebb39-be81-00b3-ef23-3f4c0e3afbb1-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2016-10-18 14:34 ` Steve Wise
2016-10-18 16:13 ` Jason Gunthorpe [this message]
2016-10-18 19:03 ` Steve Wise
2016-10-20 8:34 ` Sagi Grimberg
[not found] ` <f7a4b395-1786-3c7a-7639-195e830db5ad-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2017-03-20 13:05 ` Potnuri Bharat Teja
2017-03-20 15:04 ` Steve Wise
2016-10-31 3:40 ` Nicholas A. Bellinger
2016-11-02 17:03 ` Steve Wise
[not found] ` <1477885208.27946.8.camel-XoQW25Eq2zviZyQQd+hFbcojREIfoBdhmpATvIKMPHk@public.gmane.org>
2016-11-08 10:06 ` Potnuri Bharat Teja
2017-03-20 10:15 ` Potnuri Bharat Teja
2017-03-21 6:32 ` Nicholas A. Bellinger
2017-03-21 7:51 ` Potnuri Bharat Teja
[not found] ` <20170321075131.GA11565-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org>
2017-03-21 13:52 ` Sagi Grimberg
[not found] ` <945e2947-f67a-4202-cd27-d4631fe10f68-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2017-03-21 15:25 ` [SPAMMY (7.002)]Re: " Potnuri Bharat Teja
[not found] ` <20170321152506.GA32655-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org>
2017-03-21 16:38 ` Sagi Grimberg
[not found] ` <4dab6b43-20d3-86f0-765a-be0851e9f4a0-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2017-03-21 17:50 ` Potnuri Bharat Teja
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