From: Ben Hutchings <bhutchings@solarflare.com>
To: Jan Evert van Grootheest <j.e.van.grootheest@caiway.nl>
Cc: netdev@vger.kernel.org
Subject: Re: broken rtl8139 and dropped frames decreasing?
Date: Mon, 27 Oct 2008 12:50:59 +0000 [thread overview]
Message-ID: <1225111859.3018.4.camel@achroite> (raw)
In-Reply-To: <49057814.2000403@caiway.nl>
On Mon, 2008-10-27 at 09:13 +0100, Jan Evert van Grootheest wrote:
> Hi,
>
> I've got this old computer of a friend (to rescue files and put Ubuntu
> on it (-: ).
> And there's something strange going on in the network stack somewhere.
>
> I've booted it using an Ubuntu Hardy live CD (i.e. 2.6.24-something kernel).
> There's a rtl8139 card in it that uses the 8139too module. But something
> is not right with the hardware. Dmesg is full of reports with TX ring
> pointers when I plug the cable and try to ping something.
>
> The interesting thing is that 'ifconfig eth0' shows dropped RX packets.
> But each invocation shows one LESS dropped packet! It's never been above
> zero (that I have seen). The counter currently stands at 4294967260
> (i.e. -36).
[...]
That might indicate that the RxMissed register is not implemented on
this version of the chip. That could result in the driver adding a
value of all-1s (effectively -1) to the rx_missed_errors statistic.
Ben.
--
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.
prev parent reply other threads:[~2008-10-27 12:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-27 8:13 broken rtl8139 and dropped frames decreasing? Jan Evert van Grootheest
2008-10-27 12:50 ` Ben Hutchings [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=1225111859.3018.4.camel@achroite \
--to=bhutchings@solarflare.com \
--cc=j.e.van.grootheest@caiway.nl \
--cc=netdev@vger.kernel.org \
/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).