Re: [PATCH] Rate-limit the RTC 'missed interrupts' warning.
From: Andrew Morton
Date: Sat Aug 05 2006 - 01:47:05 EST
On Sat, 5 Aug 2006 01:53:08 +0200
Matthias Urlichs <smurf@xxxxxxxxxxxxxx> wrote:
> Cc: recipient list not shown: ;
I'm assuming there was supposed to be a mailing list there.
> Subject: [PATCH] Rate-limit the RTC 'missed interrupts' warning.
> Date: Sat, 5 Aug 2006 01:53:08 +0200
> Signed-Off-By: Matthias Urlichs <smurf@xxxxxxxxxxxxxx>
> drivers/char/rtc.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
> diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
> index 7cac6d0..fbd214f 100644
> --- a/drivers/char/rtc.c
> +++ b/drivers/char/rtc.c
> @@ -1131,7 +1131,8 @@ static void rtc_dropped_irq(unsigned lon
> - printk(KERN_WARNING "rtc: lost some interrupts at %ldHz.\n", freq);
> + if(printk_ratelimit())
> + printk(KERN_WARNING "rtc: lost some interrupts at %ldHz.\n", freq);
> /* Now we have new data */
What is causing your machine to lose so many RTC interrupts?
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