From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jes Sorensen Date: Fri, 17 Oct 2003 15:23:39 +0000 Subject: Re: [BUG, RFC] do_gettimeofday going backwards Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org >>>>> "David" = David Mosberger writes: David> Then your time-interpolator is broken. As I have expained on David> previous occasions (in particular in a mail to Jes), David> last_nsec_offset must not be _cleared_ on a timer-tick. David> Instead, it needs to be decremented by the timer tick period. David> So in your case, last_nsec_offset would decrease from 1099000 David> to 99000. Thats how my implementation works for 2.4 as well, however according to what I have heard they are still seeing problems with it going backwards, just not as frequently as before. Cheers, Jes