Subject: Re: Getty repeating...
To: None <curt@portal.ca>
From: Gordon W. Ross <gwr@mc.com>
List: port-sun3
Date: 03/26/1996 07:44:43
> Date: Mon, 25 Mar 1996 19:41:21 -0800 (PST)
> From: Curt Sampson <curt@portal.ca>

> Running 1.1 userland and 1.1A GENERIC #46 kernel from gwr, I've
> noticed that I'm tending to get a fair number of occasions where
> my machine will boot, but programs don't run in multi-user mode.
> It gets through the /etc/rc all right, but then just lets me know
> that getty is repeating too fast on kb, ttya and ttyb, and doesn't
> allow telnet logins. Booting back up in single-user mode reveals
> that these programs have been dumping core. A typical kernel debugger
> back-trace (from the one that happened just now) is:

Kernel stack trace is not so helpful here.  The problem happens
when the VM page cache has incorrect data for a shared library
(usually libutil.so which getty uses).

I haven't made much progress on this one, sadly.

> This doesn't happen every time, but it does happen on two separate
> 3/60s, on with 24MB of RAM and one with 4 (poor little thing).

I wonder if this happens on the 3/260 now?
I've only seen it on the 3/60 lately...

> I'm hoping my complete upgrade to -current will fix this, but I
> just thought I should let the list know.

Sorry, but the VM bug is still there...

Gordon