public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
To: Alexey Brodkin <Alexey.Brodkin@synopsys.com>,
	"eladkan@mellanox.com" <eladkan@mellanox.com>
Cc: "linux-snps-arc@lists.infradead.org" 
	<linux-snps-arc@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"noamca@mellanox.com" <noamca@mellanox.com>,
	Anton Kolesov <Anton.Kolesov@synopsys.com>,
	"davem@davemloft.net" <davem@davemloft.net>
Subject: Re: [PATCH 1/1] net: nps_enet: Disable interrupts before napi reschedule
Date: Fri, 27 May 2016 09:37:29 +0530	[thread overview]
Message-ID: <5747C801.8020808@synopsys.com> (raw)
In-Reply-To: <1464285174.4578.36.camel@synopsys.com>

Hi Elad, Noam,

On Thursday 26 May 2016 11:23 PM, Alexey Brodkin wrote:

> 
> We just bumped into the same problem (data exchange hangs on the very first "ping")
> with released Linux v4.6 and linux-next on our nSIM OSCI virtual platform.
> 
> I believe it was commit 05c00d82f4d1 ("net: nps_enet: bug fix - handle lost tx interrupts")
> that introduced the problem. At least reverting it I got networking working.
> 
> And indeed that patch fixes mentioned issue.
> In other words...
> 
> Tested-by: Alexey Brodkin <abrodkin@synopsys.com>

FWIW, we now actively use the same driver (and same systemc model) in one of our
our simulation platforms used for testing regressions. So please try to keep arc
mailing list on CC for any nps_enet driver patches so we are in loop and know what
is going on !

Thx,
-Vineet

  reply	other threads:[~2016-05-27  4:07 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-26 12:00 [PATCH 1/1] net: nps_enet: Disable interrupts before napi reschedule Elad Kanfi
2016-05-26 17:53 ` Alexey Brodkin
2016-05-27  4:07   ` Vineet Gupta [this message]
2016-05-30  5:35 ` David Miller
2016-06-02 10:13   ` Vineet Gupta

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5747C801.8020808@synopsys.com \
    --to=vineet.gupta1@synopsys.com \
    --cc=Alexey.Brodkin@synopsys.com \
    --cc=Anton.Kolesov@synopsys.com \
    --cc=davem@davemloft.net \
    --cc=eladkan@mellanox.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-snps-arc@lists.infradead.org \
    --cc=netdev@vger.kernel.org \
    --cc=noamca@mellanox.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox