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Date: Tue, 14 Jul 2009 17:23:47 +0200 From: Linus Walleij <linus.ml.walleij@...il.com> To: 林建安 <colin@...ltek.com.tw> Cc: linux-kernel@...r.kernel.org Subject: Re: jiffies got lost because of printk 2009/7/14 林建安 <colin@...ltek.com.tw>: > We found that system time is not synced with RTC time on our embedded > system. (...) > interrupt will be disabled for more than 1 HZ and timer interrupt will be > lost. This sounds like you're using some kind of old timekeeping code. Make sure you migrate to using a proper time source and clock events. It will compensate for lost jiffies in situations like this. Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/