netdev - Re: Bug#709616: floods the network with pause packets

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sun, 26 May 2013 17:10:45 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Stéphane Glondu <glondu@...ian.org>
Cc:	709616@...s.debian.org, e1000-devel@...ts.sourceforge.net,
	netdev <netdev@...r.kernel.org>
Subject: Re: Bug#709616: floods the network with pause packets

On Sun, 2013-05-26 at 11:02 +0200, Stéphane Glondu wrote:
> Le 26/05/2013 03:54, Ben Hutchings a écrit :
> > I forgot, e1000e still doesn't report autoneg state completely through
> > ethtool.  How about 'mii-tool -v eth0'?
> 
> # mii-tool -v eth0
> SIOCGMIIREG on eth0 failed: Input/output error
> SIOCGMIIREG on eth0 failed: Input/output error
> eth0: negotiated 100baseTx-FD flow-control, link ok
>   product info: vendor 00:55:00, model 9 rev 0
>   basic mode:   autonegotiation enabled
>   basic status: autonegotiation complete, link ok
>   capabilities: 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
>   advertising:  100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
>   link partner: 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD
> 10baseT-HD flow-control

OK, so the switch is indeed defective: it says it can handle pause
frames, but it can't.

Could you check whether the switch is also sending pause frames back to
the port that's generating them?

> I am not sure about who to put in CC of this mail; I've just put the
> Debian bug.

You replied-to-all, which is correct.

Ben.

-- 
Ben Hutchings
Computers are not intelligent.	They only think they are.

Download attachment "signature.asc" of type "application/pgp-signature" (829 bytes)