From: Tino Keitel <tino.keitel@gmx.de>
To: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Cc: linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com
Subject: Re: rtc_cmos: error after first write to wakealarm
Date: Fri, 15 Jun 2007 09:03:19 +0200 [thread overview]
Message-ID: <20070615070319.GA19455@dose.home.local> (raw)
In-Reply-To: <20070615155904.1d1da892.yoichi_yuasa@tripeaks.co.jp>
On Fri, Jun 15, 2007 at 15:59:04 +0900, Yoichi Yuasa wrote:
> On Fri, 15 Jun 2007 08:33:08 +0200
> Tino Keitel <tino.keitel@gmx.de> wrote:
>
> > Hi,
> >
> > I have the following strange behaviour with rtc_cmos:
> >
> > $ echo 1181934240 > /sys/class/rtc/rtc0/wakealarm
> > bash: echo: write error: Device or resource busy
> > $ rmmod rtc_cmos
> > $ modprobe rtc_cmos
> > $ echo 1181934240 > /sys/class/rtc/rtc0/wakealarm
> > $ echo 1181934240 > /sys/class/rtc/rtc0/wakealarm
> > bash: echo: write error: Device or resource busy
> > $
>
> If the alarm has already been enabled, you cannot set the next alarm.
> You should disable first.
Ah, ok.
Where is the documentation that describes that I have to disable it
first, and how to do this? A migration document for /proc/acpi/alarm
users would be nice, too.
Regards,
Tino
next prev parent reply other threads:[~2007-06-15 7:03 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-15 6:33 rtc_cmos: error after first write to wakealarm Tino Keitel
2007-06-15 6:59 ` Yoichi Yuasa
2007-06-15 7:03 ` Tino Keitel [this message]
2007-06-19 12:24 ` [rtc-linux] " Alessandro Zummo
2007-06-19 17:24 ` Tino Keitel
2007-06-22 17:34 ` Alessandro Zummo
2007-06-22 18:45 ` David Brownell
2007-06-22 19:44 ` Tino Keitel
2007-06-23 3:18 ` David Brownell
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