On Sat, 5 Aug 2006 01:53:08 +0200
Matthias Urlichs <[email protected]> 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 <[email protected]>
> ---
> 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
>
> spin_unlock_irq(&rtc_lock);
>
> - 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 */
> wake_up_interruptible(&rtc_wait);
What is causing your machine to lose so many RTC interrupts?
Hi,
Andrew Morton:
> > Cc: recipient list not shown: ;
>
> I'm assuming there was supposed to be a mailing list there.
>
No, just mutt and/or exim being stupid.
>
> What is causing your machine to lose so many RTC interrupts?
*One* was probably initializing the Zaptel card(s).
I don't know; the stuff scrolled off the screen way too fast.
(Could that printk itself provoke the condition?)
Aug 4 22:29:22 smurf kernel: rtc: lost some interrupts at 1024Hz.
Aug 4 22:29:53 smurf last message repeated 1526 times
Aug 4 22:30:54 smurf last message repeated 3049 times
Aug 4 22:31:54 smurf last message repeated 3002 times
After patching and rebooting, I haven't seen the message again yet.
--
Matthias Urlichs | {M:U} IT Design @ m-u-it.de | [email protected]
Disclaimer: The quote was selected randomly. Really. | http://smurf.noris.de
- -
"Our bodies are always exposed to Satan. The maladies
I suffer are not natural, but Devil's spells."
[Martin Luther]