From: Jeff Garzik <jgarzik@pobox.com>
To: Daniel Blueman <daniel.blueman@gmx.net>
Cc: wind@cocodriloo.com, linux-kernel@vger.kernel.org
Subject: Re: [BUG] [2.4.21] 8139too 'too much work at interrupt'...
Date: Thu, 16 Oct 2003 07:41:33 -0400 [thread overview]
Message-ID: <3F8E83ED.9010608@pobox.com> (raw)
In-Reply-To: <26145.1066303100@www7.gmx.net>
Daniel Blueman wrote:
> Yes, the 8139too driver is doing it's job correctly - I was just thinking
I didn't say this, because it is obviously not doing it job correctly.
It needs NAPI to do this. For now, the driver _should_ stay up, even
with these 'too much work...' messages.
> about the source of the starvation, ie the cause of the effect. I.e. the
> brokeness is elsewhere, in other drivers etc.
Quoting from my original reply:
It's due to the 8139 hardware
Tons of tiny packets can be sent before RTL8139 will throttle, which can
easily be far more than your system can handle at that particular time,
especially if it's experiencing high load elsewhere.
You need either NAPI (perfect solution) or "cap interrupt work limit at
X packets" (stopgap solution) to prevent your 8139 hardware from being
DoS'd off the network.
Jeff
prev parent reply other threads:[~2003-10-16 11:41 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-09 10:08 [BUG] [2.4.21] 8139too 'too much work at interrupt' Daniel Blueman
2003-10-09 16:35 ` Antonio Vargas
2003-10-14 18:02 ` Jeff Garzik
2003-10-15 17:20 ` Antonio Vargas
2003-10-16 8:01 ` Daniel Blueman
2003-10-16 10:39 ` Jeff Garzik
2003-10-16 11:18 ` Daniel Blueman
2003-10-16 11:41 ` Jeff Garzik [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=3F8E83ED.9010608@pobox.com \
--to=jgarzik@pobox.com \
--cc=daniel.blueman@gmx.net \
--cc=linux-kernel@vger.kernel.org \
--cc=wind@cocodriloo.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