From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Nikolay Borisov <kernel-6AxghH7DbtA@public.gmane.org>
Cc: Erez Shitrit
<erezsh-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>,
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
SiteGround Operations
<operations-/eCPMmvKun9pLGFMi4vTTA@public.gmane.org>
Subject: Re: Hang in ipoib_mcast_stop_thread
Date: Mon, 6 Jun 2016 10:57:42 -0600 [thread overview]
Message-ID: <20160606165741.GA6413@obsidianresearch.com> (raw)
In-Reply-To: <575575B5.9010504-6AxghH7DbtA@public.gmane.org>
On Mon, Jun 06, 2016 at 04:08:05PM +0300, Nikolay Borisov wrote:
> Be that as it may, but the queue seems to never be unlocked by the
> driver. Even after restart I still continue to get such messages. One of
> the network admins told me this could happen since the infiniband switch
> port has to be reset after an outage. I find it hard to believe that
> even after physical restart of the server the ib interface cannot connect.
I've also randomly seen apparently hung VL0 credit that could only be
solved by a switch reset. I also was never able to pin down a root
cause. VL15 would work fine..
Jason
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prev parent reply other threads:[~2016-06-06 16:57 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-06 9:09 Hang in ipoib_mcast_stop_thread Nikolay Borisov
[not found] ` <57553DE7.2060009-6AxghH7DbtA@public.gmane.org>
2016-06-06 11:51 ` Erez Shitrit
[not found] ` <CAAk-MO_6GMm1AHay4uQ4yZ8HHcH_Dk=Ls5gKSVZUCejexDahLQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-06 12:11 ` Nikolay Borisov
[not found] ` <57556866.8040703-6AxghH7DbtA@public.gmane.org>
2016-06-06 12:25 ` Yuval Shaia
[not found] ` <20160606122558.GB10894-Hxa29pjIrETlQW142y8m19+IiqhCXseY@public.gmane.org>
2016-06-06 12:36 ` Nikolay Borisov
[not found] ` <57556E67.4050904-6AxghH7DbtA@public.gmane.org>
2016-06-06 13:06 ` Yuval Shaia
2016-06-06 12:57 ` Erez Shitrit
[not found] ` <CAAk-MO-T_9J2jtX+gtJQXeMVTW6bxbRUrq3mHRepVPatbHFO9g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-06 13:08 ` Nikolay Borisov
[not found] ` <575575B5.9010504-6AxghH7DbtA@public.gmane.org>
2016-06-06 16:57 ` Jason Gunthorpe [this message]
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