Re: Bug#5268: cron dies nightly
On 5 Nov 1996, Guy Maor wrote:
> "Brian C. White" <bcwhite@verisim.com> writes:
>
> > Well, it turns out that even a working cron is marked as "sigsuspend".
>
> Yes, that's how cron works. It wakes up every 60 seconds to see if
> any files have been edited. If so, it sorts the jobs to figure out
> the least one and counts minutes till then.
>
> > Yup. It has totally stopped. I tried adding to my crontab file and none
> > of the commands got run until I stopped and restarted cron.
>
> Check the permissions of crontab - should 4755.
>
> Do an strace on cron while you're running crontab. See if it reads
> the file in on the next minute.
i had the same problem on my system. i think it was caused by upgrading to
libc5 5.4.7.
i don't know what exactly fixed it, but i did:
ldconfig -v
/etc/init.d/cron stop
/etc/init.d/cron start
and cron started working again.
my guess is that it failed because the running cron was still
dynamically linked to the old libc5. kill and restart fixed it.
Craig
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