netdev - Re: 2.6.38 dev_watchdog WARNING

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]

Message-ID: <4DADD280.70104@candelatech.com>
Date:	Tue, 19 Apr 2011 11:20:48 -0700
From:	Ben Greear <greearb@...delatech.com>
To:	tim.gardner@...onical.com
CC:	netdev <netdev@...r.kernel.org>
Subject: Re: 2.6.38 dev_watchdog WARNING

On 04/19/2011 10:40 AM, Tim Gardner wrote:
> I'm seeing a lot of these kinds of bugs: WARNING: at
> /build/buildd/linux-2.6.38/net/sched/sch_generic.c:256
> dev_watchdog+0x213/0x220()
>
> The kernel is 2.6.38.2 plus Ubuntu cruft.
>
> A spot check of the 200+ hits on this string indicates they are
> primarily due to these drivers:
>
> ipheth
> atl1c
> sis900
> r8169
>
> As far as I can tell the warning happens when link is down on the media
> (and has never been link UP) and are sent a transmit packet which never
> completes. Is there a net/core or net/sched requirement to which these
> drivers do not conform ? Are they not correctly indicating link status?

r8169 doesn't report link right for me...

No idea about the rest.

Ben

>
> rtg


-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html