Re: Runaway cron task on 2.5.63/4 bk?

From: Andrew Morton (akpm@digeo.com)
Date: Sun Mar 09 2003 - 03:17:06 EST


Andrew Morton <akpm@digeo.com> wrote:
>
> errr, OK. This returns -EINVAL:
>
> #include <time.h>
>
> main()
> {
> struct timespec req;
> struct timespec rem;
> int ret;
>
> req.tv_sec = 5000000;
> req.tv_nsec = 0;
>
> ret = nanosleep(&req, &rem);
> if (ret)
> perror("nanosleep");
> }
>

OK, I give up.

                        /*
                         * This is a considered response, not exactly in
                         * line with the standard (in fact it is silent on
                         * possible overflows). We assume such a large
                         * value is ALMOST always a programming error and
                         * try not to compound it by setting a really dumb
                         * value.
                         */
                        return -EINVAL;

George, RH7.3 and RH8.0 cron daemons are triggering this (trying to sleep
for 4,500,000 seconds) and it causes them to go into a busy loop.

I think we need to just sleep for as long as we can and return an
appropriate partial result.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Sat Mar 15 2003 - 22:00:18 EST