Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 15 Sep 2006 04:14:28 +0200
From:      "Ronald Klop" <ronald-freebsd8@klop.yi.org>
To:        freebsd-stable@freebsd.org
Subject:   Re: em0: watchdog timeout -- resetting (6.1-STABLE)
Message-ID:  <op.tfwduek38527sy@guido.klop.ws>
In-Reply-To: <4509EE70.1040907@aedifice.net>
References:  <op.tffdo3pj8527sy@laptop.klop.ws> <op.tfud73ep8527sy@guido.klop.ws> <2a41acea0609132023q2d23ac2eq4960cd93fb45a69b@mail.gmail.com> <4509EE70.1040907@aedifice.net>

next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, 15 Sep 2006 02:06:08 +0200, David C. Myers <myers@aedifice.net> =
 =

wrote:

>
>> watchdogs mean that the transmit ring is not being cleaned, so the
>> question is what is your machine doing at 100% cpu, if its that busy
>> the network watchdogs may just be a side effect and not the real
>> problem?
>
>
> I get them with a completely idle machine.  My home directory is mount=
ed  =

> via NFS (from FreeBSD 6.1 on an amd64 machine), and with the kernel fr=
om  =

> earlier this week, the machine would just hang for 30 seconds to a  =

> couple of minutes.  A slew of "watchdog timeout" messages would appear=
.  =

>   Then I'd get a moment's responsiveness out of the machine, then  =

> another long wait, then a moment's responsiveness, then a long wait...=

>
> The machine would never recover from this cycle (at least, so far as I=
  =

> was patient enough to wait).
>
> Going back to a kernel dated late July resolved everything.
>
> Someone else asked me for the hardware version of my em0 board...
>
>
> em0@pci2:10:0:  class=3D0x020000 card=3D0x002e8086 chip=3D0x100e8086 r=
ev=3D0x02  =

> hdr=3D0x00    vendor   =3D 'Intel Corporation'
>      device   =3D '82540EM Gigabit Ethernet Controller'
>      class    =3D network
>      subclass =3D ethernet
>
>
> -David.

This sounds familiar to my problem. I solved it today by enabling pollin=
g.  =

I know it's a workaround.

-- =

  Ronald Klop
  Amsterdam, The Netherlands



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?op.tfwduek38527sy>