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

Ernie Petrides
2007-07-05T22:30:25Z

On Thursday, 5-Jul-2007 at 11:48 MDT, "Chris Friesen" wrote:

> Clemens Koller wrote:
>
> > Okay, we all survived Y2K and this little glitch. Puh! ;-)
> > Can you please explain in which configuration this problem got triggered.
>
> As far as I can tell many kernel versions contained the source code bug.
> (I'd like some more information on exactly what the problem was if
> anyone cares to share..the proposed patch didn't give much in the way of
> specifics.)
>
> However, in order to trigger the problem you also need to have NTP
> servers that were erroneously broadcasting the addition of a leap second.
>
> So most people didn't see the issue because there wasn't supposed to be
> a leap second added this year...but they would have seen it the next
> time a leap second was added.

Only kernels built with the CONFIG_HIGH_RES_TIMERS option enabled were
vulnerable.

Cheers. -ernie