> Some days ago I started noticing strange time jumps on my Athlon system.
> (Asus board, VIA chipset, AMD Athlon 650MHz processor). I haven't
> noticed them before and I am pretty sure there weren't any for the last
> few years! Uptime of the machine is now 218 days, and problems began
> appearing after 215 days approximately.
>
> What happens: when doing a
> $ while true; do date; done
> I'm noticing time jumps _exactly_ at the beginning of a "new" second (or
> at the end of an "old" one). the jump is exactly 4294 (4295) seconds
> into the future. Example:
> ...
> Mon Aug 4 18:11:06 CEST 2003
> Mon Aug 4 18:11:06 CEST 2003
> Mon Aug 4 19:22:41 CEST 2003
> Mon Aug 4 19:22:41 CEST 2003
> Mon Aug 4 19:22:41 CEST 2003
> Mon Aug 4 18:11:07 CEST 2003
> Mon Aug 4 18:11:07 CEST 2003
> ...
>
Wild guess - does the following patch fix it?
Tim
--- linux-2.4.20/arch/i386/kernel/time.c.orig Mon Aug 4 23:38:47 2003
+++ linux-2.4.20/arch/i386/kernel/time.c Mon Aug 4 23:40:53 2003
@@ -274,8 +274,8 @@
read_lock_irqsave(&xtime_lock, flags);
usec = do_gettimeoffset();
{
- unsigned long lost = jiffies - wall_jiffies;
- if (lost)
+ long lost = jiffies - wall_jiffies;
+ if (lost>0)
usec += lost * (1000000 / HZ);
}
sec = xtime.tv_sec;
-
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This archive was generated by hypermail 2b29 : Thu Aug 07 2003 - 22:00:25 EST