Re: 2.6.21.5 june 30th to july 1st date hang?

Florian Attenberger
2007-07-03T14:00:00Z

On Tue, Jul 03, 2007 at 08:44:00AM -0400, Fortier,Vincent [Montreal] wrote:
> Hi all,
>
> All my servers and workstations running a 2.6.21.5 kernel hanged exactly
> when the date shift from june 30th to july 1st.
>
> On my monitoring system every single station running a 2.6.21.5 kernel
> stoped responding exactly after midnight on the date shift from June
> 30th to July 1st. Although, stations still running 2.6.18 to 2.6.20.11
> worked flawlessly.
>
> I first tought there had been an electricity outage but two of my
> servers (dell PE 2950 dual-quad core) on UPS in our server room also
> hanged:
> Jun 30 23:55:01 urpdev1 /USR/SBIN/CRON[31298]: (root) CMD ([ -x
> /usr/lib/sysstat/sa1 ] && { [ -r "$DEFAULT" ] && . "$DEFAULT" ; [
> "$ENABLED" = "true" ] && exec /usr/lib/sysstat/sa1; })
> Jul 3 11:54:03 urpdev1 syslogd 1.4.1#17: restart.
>
> I could not get anything on any of the 20+ consoles... All the systems
> hanged at around the exact same time... When the date shifted from June
> 30th to July 1st in UTC ...?
>
> Any clue any one?
>
> - vin
> -
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there was one 'special' event at that date:
syslog.2.gz:Jul 1 01:59:59 master kernel: Clock: inserting leap second
23:59:60 UTC