Re: Hibernation and time and dhcp

[Pavel Machek <pavel@ucw.cz>]

Hi!

> > with 2.6.9 hibernation to disk finally works! Thanks
> > To ram it still don't work, system starts with lcd disabled - but it is 
> > another story.
> > 
> > I have now this problem - when I hibernate and then system is started up in 
> > other company, it don't update time and shows still for example 14:00 - when 
> > I rehibernate for example in 20:00 - could you ask bios for current time? 
> > It's better to have bad time about few seconds instead of hours.
> > 
> > Same problem with dhcp - it should ask for IP when rehibernate.
> 
> Known bug and I posted patch at least to acpi list few hours ago.

Here it is...

							Pavel

--- clean/arch/i386/kernel/time.c	2004-10-01 00:29:59.000000000 +0200
+++ linux/arch/i386/kernel/time.c	2004-10-19 15:16:14.000000000 +0200
@@ -319,7 +319,7 @@
 	return retval;
 }
 
-static long clock_cmos_diff;
+static long clock_cmos_diff, sleep_start;
 
 static int time_suspend(struct sys_device *dev, u32 state)
 {
@@ -328,6 +328,7 @@
 	 */
 	clock_cmos_diff = -get_cmos_time();
 	clock_cmos_diff += get_seconds();
+	sleep_start = get_cmos_time();
 	return 0;
 }
 
@@ -335,10 +336,13 @@
 {
 	unsigned long flags;
 	unsigned long sec = get_cmos_time() + clock_cmos_diff;
+	unsigned long sleep_length = get_cmos_time() - sleep_start;
+
 	write_seqlock_irqsave(&xtime_lock, flags);
 	xtime.tv_sec = sec;
 	xtime.tv_nsec = 0;
 	write_sequnlock_irqrestore(&xtime_lock, flags);
+	jiffies += sleep_length * HZ;
 	return 0;
 }
 


-- 
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!