From: Alexander Stein <alexander.stein@systec-electronic.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Wolfgang Grandegger <wg@grandegger.com>,
Marc Kleine-Budde <mkl@pengutronix.de>,
linux-can@vger.kernel.org
Subject: Re: [PATCH] can: c_can: Fix bit clearing and message object read
Date: Wed, 09 Apr 2014 12:28:50 +0200 [thread overview]
Message-ID: <1749126.lLSDJkX5K7@ws-stein> (raw)
In-Reply-To: <155230474.Qal719xsr7@ws-stein>
On Wednesday 09 April 2014 09:40:11, Alexander Stein wrote:
> On Wednesday 09 April 2014 02:42:57, Thomas Gleixner wrote:
> > I found the issue after a I got hold of a PCH afflicted system. It
> > might not apply cleanly as I changed a few other things in my patch
> > queue, but you get the idea. Too tired now to write changelogs, run
> > tests ....
> >
> > W/o that patch I observe the same problems as you. With that applied I
> > did not observe any dropout with a 10 * 1e6 packet run.
>
> Applying your patch I run my test with 5.000.000 CAN frames where none got lost and only a single one got switched.
Just for completeness: If this test is done while iperf and I2C is ongoing meanwhile there are 24 switched messages.
Regards,
Alexander
--
Dipl.-Inf. Alexander Stein
SYS TEC electronic GmbH
Am Windrad 2
08468 Heinsdorfergrund
Tel.: 03765 38600-1156
Fax: 03765 38600-4100
Email: alexander.stein@systec-electronic.com
Website: www.systec-electronic.com
Managing Director: Dipl.-Phys. Siegmar Schmidt
Commercial registry: Amtsgericht Chemnitz, HRB 28082
prev parent reply other threads:[~2014-04-09 10:30 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-08 9:46 [PATCH] can: c_can: Fix bit clearing and message object read Alexander Stein
2014-04-08 13:07 ` Thomas Gleixner
2014-04-08 14:02 ` Alexander Stein
2014-04-08 14:15 ` Thomas Gleixner
2014-04-08 14:24 ` Alexander Stein
2014-04-09 0:42 ` Thomas Gleixner
2014-04-09 7:40 ` Alexander Stein
2014-04-09 10:28 ` Alexander Stein [this message]
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=1749126.lLSDJkX5K7@ws-stein \
--to=alexander.stein@systec-electronic.com \
--cc=linux-can@vger.kernel.org \
--cc=mkl@pengutronix.de \
--cc=tglx@linutronix.de \
--cc=wg@grandegger.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;
as well as URLs for NNTP newsgroup(s).