From: "Alexander E. Patrakov" <patrakov@ums.usu.ru>
To: linux-hotplug@vger.kernel.org
Subject: Re: Device node '/dev/rtc' already exists, link to '/dev/rtc0' ,wil
Date: Tue, 18 Sep 2007 10:56:51 +0000 [thread overview]
Message-ID: <46EFAEF3.8010007@ums.usu.ru> (raw)
In-Reply-To: <46EFA3B1.90903@redhat.com>
Harald Hoyer wrote:
> Looks like 50-udev-default.rules:
>
> KERNEL="rtc0", SYMLINK+="rtc"
>
> has to be modified...
>
> $ udevinfo -a -n /dev/rtc
> looking at device '/class/misc/rtc':
> KERNEL="rtc"
> SUBSYSTEM="misc"
> DRIVER=""
> ATTR{dev}="10:135"
>
> $ udevinfo -a -n /dev/rtc0
>
> looking at device '/class/rtc/rtc0':
> KERNEL="rtc0"
> SUBSYSTEM="rtc"
> DRIVER=""
> ATTR{wakealarm}=""
> ATTR{since_epoch}="1190109813"
> ATTR{time}="10:03:33"
> ATTR{date}="2007-09-18"
> ATTR{name}="rtc_cmos"
> ATTR{dev}="254:0"
>
> looking at parent device '/devices/pnp0/00:05':
> KERNELS="00:05"
> SUBSYSTEMS="pnp"
> DRIVERS="rtc_cmos"
> ATTRS{id}="PNP0b00"
> ATTRS{options}=""
It looks like your kernel configuration is not valid. You have compiled
both the old-style "rtc" (or "genrtc"?) driver and the new "rtc_cmos"
driver. Please remove one of them, and the problem will go away.
(please correct me if I am wrong - I have never played with the new RTC
drivers).
--
Alexander E. Patrakov
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next prev parent reply other threads:[~2007-09-18 10:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-18 10:08 Device node '/dev/rtc' already exists, link to '/dev/rtc0' ,wil not Harald Hoyer
2007-09-18 10:56 ` Alexander E. Patrakov [this message]
2007-09-18 12:18 ` Device node '/dev/rtc' already exists, link to '/dev/rtc0' , Kay Sievers
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