Re: (PM) Rebooting PM3

Frank van Berkel (frank@horizon.nl)
Mon, 22 Jun 1998 14:39:46 +0200

I found an old article about reboots:

> Date: 23 December 1997, 16:42
> Subject: Re: (PM) Phantom reboots of all our PM3s
> From: "Jorg B." <info@newmodels.com>
>
> We used to have this problem with our USR total control X2 box which was
> pluged into a hub sharing the segment with other units. As soon as we pluged
> the unit into its own port on the switch the reboot problem went away. The
> box has not rebooted itself since... I don't know if this applies to the PM3
> or not; we have 7 PM3's and non of them reboots itself.
>
> Just a thought...
>
> JB
> CWO
>
> At 12:39 PM 12/23/97 +0100, you wrote:
> >On Sun, 21 Dec 1997, Jim Wells wrote:
> >
> >> LE ticket #48378 was opened over a month ago.
> >> We are still getting phantom reboots of all 3 of our PM3s.
> >> They seem to be at random, but each one reboots every 36 hours or so.
> >>
> >> The latest theory from LE is routing loops, but I have no way to know if
> >> these are occurring or how to prevent them.
> >>
> >> A console log shows why the reboots are occurring as follows:
> >>
> >> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> >> n_newbuf: No available netbufs
> >> n_newbuf: No available netbufs
> >> n_newbuf: No available netbufs
> >> n_newbuf: No available netbufs
> >> n_newbuf: No available netbufs
> >> n_newbuf: No available netbufs
> >> n_newbuf: No available netbufs
> >> n_newbuf: No available netbufs
> >> n_newbuf: No available netbufs
> >> Assertion failed: nbuf_p->data_ptr, file mdp_os.c, line 1268
> >>
> >> Livingston Enterprises, Inc. Boot Prom Rev P
> >>
> >> Testing Low Memory....
> >>
> >> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> >> So there is code in the PM3 that is deciding to do a reboot,
> >> apparently because of a lack of buffers. What is not known is what
> >> condition leads to this result.
> >
> >Same problem had the Max4000 recently and the USR TC Netserver
> >do have the same problem currently. All have random reboots. The Maxes
> >had this because of non-freed per call buffers ... Does Livingston
> >look at the # of calls the rebooting boxes have ?
> >
> >Flo
> >--
> >Florian Lohoff mailto:flo@mini.gt.owl.de Phone:+49-5241-470566
> >Privates Internet Ostwestfalen-Lippe, Guetersloh - http://www.gt.owl.de

Sincerly,

_______________________________________________________________
Frank van Berkel <frank@horizon.nl>
Horizon Internet Services <URL:http://www.horizon.nl>
Telefoon (073) 612 4577
Telefax (073) 613 6142
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A file that big? It might be very useful. But now it is gone.
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