netdev - Re: BUG? locking issue(networking?) with latest git

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: <200809041714.05578.denys@visp.net.lb>
Date:	Thu, 4 Sep 2008 17:14:05 +0300
From:	Denys Fedoryshchenko <denys@...p.net.lb>
To:	Jarek Poplawski <jarkao2@...il.com>
Cc:	netdev@...r.kernel.org
Subject: Re: BUG? locking issue(networking?) with latest git

On Thursday 04 September 2008, Jarek Poplawski wrote:
> On Thu, Sep 04, 2008 at 12:46:11PM +0300, Denys Fedoryshchenko wrote:
> ...
>
> > I tried to check for any additional logs, but there is nothing seems.
> > Once i got softlockup for pppd, and server restarted. Other times it is
> > just getting stuck on any network operations (ifconfig, pppd crashing in
> > the middle, tc). I am not able to attach to processes by strace/gdb, so
> > it is difficult to tell even on which point it does crash.
>
> BTW, I guess, it was checked with 2.6.26 (or .25) with the same config,
> scripts and similar load and we are sure it's a really new bug?
config, scripts and everything is completely same.
It seems with nosmp i am getting watchdog fired (no messages over neconsole). 
Probably one CPU becoming too busy in this case, and when it is single CPU - 
such issue becoming critical and results in hardware watchdog triggering.

>
> Jarek P.


--
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