Re: Network connection lost - Debian Lenny kernel 2.6.26-2-amd64

[Arnt Karlsen <arnt@c2i.net>]

On Thu, 8 Mar 2012 14:35:35 +0000 (UTC), Camaleón wrote in message 
<jjag3n$ek5$4@dough.gmane.org>:

> On Thu, 08 Mar 2012 00:07:23 +0100, benoit lair wrote:
> 
> > 2012/3/7 benoit lair <kurushi7000@gmail.com>:
> >> 2012/3/7 Camaleón <noelamac@gmail.com>:
> >>> On Tue, 06 Mar 2012 23:33:00 +0100, benoit lair wrote:
> >>>
> >>>> I didn't specify it, but i've tried:
> >>>>
> >>>> ping onto an external host
> >>>> ping onto the gateway  of this server
> >>>
> >>> And what was the output/results?
> 
> >> No response in all cases.
> 
> Mmm, okay. Neither for the loopback interface?
> 
> ping -c 3 127.0.0.1

..try ping -nc 3 <ip adress> if the above "hangs" on dns,
see man ping for details.

> 
> >>>> The messages into mail.info says there's a problem with MX
> >>>> resolution because of the network loss.
> >>>
> >>> So you can't resolve domain names.
> 
> >> I wasn't behind my server when it loss connection. No way to
> >> contact him from my office, so went fast to my datacenter to
> >> regain access (ok no remote control pdu on this machine and not
> >> virtualised (1 of 3 old school survivors on my network), so hard
> >> access to this hardware when problem) So when arrived in my box,
> >> face to my server, wired my kvm screen and so no way to get any
> >> network from my server.
> 
> Understood.
> 
> >>>> Also, when i tried to ping an IP, i got no response, so it
> >>>> doesn't seem there's a problem around dns system.
> >>>
> >>> Which pings fails, remote or local (or both)?
> 
> >> So both
> 
> That sounds serious.
> 
> (...)
> 
> >>>> It's quite surprising, seen nothing on the logs.
> >>>
> >>> Nothing? Is the module loaded? "lsmod | grep bnx2"
> 
> >> Now i looked onto my incidents tickets, already got this problem 10
> >> months ago. But it was unsolved by my collegues. grrh, now it's too
> >> late to get response less than waiting horribly for a potential
> >> new bug
> 
> What was the incident about?
> 
> >> Keeping the logs away from log rotate, will have to read and
> >> prepare cups of cofee for this week end
> 
> :-)
> 
> > Yep! An idea!
> > 
> > I didn't take a look onto my ossec logs, perhaps will i find
> > something.
> > 
> > Thanks for the tip of modprobe Camaleon.
> > 
> > I'll be back, when i got news.
> 
> Okay, we'll wait for your findings. 
> 
> Having the networking service up, running and configured but no
> response to pings (neither from local nor remote hosts) it sounds to
> me like some sort of problem with either the hardware facilities
> (cables, switches, ethernet card) or at the software side, the kernel
> module for the adapter.
> 
> Greetings,
> 


-- 
..med vennlig hilsen = with Kind Regards from Arnt Karlsen
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.