Re: Network connection lost - Debian Lenny kernel 2.6.26-2-amd64
- To: email@example.com
- Subject: Re: Network connection lost - Debian Lenny kernel 2.6.26-2-amd64
- From: Arnt Karlsen <firstname.lastname@example.org>
- Date: Sun, 1 Apr 2012 19:09:38 +0200
- Message-id: <[🔎] email@example.com>
- In-reply-to: <firstname.lastname@example.org>
- References: <CAHBcSYay5jthBtV7BPScpgR-7n=3VjdjY9z21dZT0w3m7pGwSQ@mail.gmail.com> <email@example.com> <CAHBcSYbP=R=_58iK9AQtoNTobxP01GLiTSDvQ3R7jPjWwCzpcQ@mail.gmail.com> <firstname.lastname@example.org> <CAHBcSYYKZXdLnK=MF5hKT+Ere+c4P0GTaKgGzgeAdH4bH_5z-A@mail.gmail.com> <CAHBcSYZ8uH9+dWJVPd6LyOuuBAQq7w3Pd5CT5tVjDW+jcqNZaw@mail.gmail.com> <email@example.com>
On Thu, 8 Mar 2012 14:35:35 +0000 (UTC), Camaleón wrote in message
> On Thu, 08 Mar 2012 00:07:23 +0100, benoit lair wrote:
> > 2012/3/7 benoit lair <firstname.lastname@example.org>:
> >> 2012/3/7 Camaleón <email@example.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.
> >>>> 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.
..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.