On Tue, 2004-06-15 at 12:54, [EMAIL PROTECTED] wrote:
> I've been seeing alot of people lately with workstations crashing.
>
> In the past, it's almost always been related to the workstation
> running out of ram, and adding more ram, or enabling nfs-swap
> would take care of the problem.
>
> But, i'm wondering if there is something else going on now.
>
> One thought is some recent modifications in GDM. Since around May of
> 2003, there has been a feature in GDM to constantly monitor the
> connection between GDM and the client X server. In fact, by default,
> every 15 seconds, an X Request is sent from GDM to the Xserver.
> If a reply isn't received, the connection is assumed to be dead,
> and GDM will terminate it. This will have the effect that I've
> been hearing about lately.
> I'm not sure how to completely disable this. Maybe setting it to 0.
Yes, 0 does disable the watchdog alarm. For gdm 2.6.0.2, daemon/slave.c
reads as follows starting at 1337:
if (d->type == TYPE_XDMCP &&
GdmPingInterval > 0 ) {
alarm(GdmPingInterval);
}
Earlier versions had identical code, except that they multiplied the
ping interval by 60. So setting PingInterval to 0 should help us rule
out PingInterval as the culprit.
Looking at the code for the alarm handler, it looks like it kills the
display when two consecutive pings are unanswered.
--
David Johnston <[EMAIL PROTECTED]>
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