linux-kernel - Re: [Bug 10866] /dev/rtc was missing until I disabled CONFIG_RTC

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Date:	Fri, 13 Jun 2008 22:55:38 +0300
From:	"Lior Dotan" <liodot@...il.com>
To:	"Adrian Bunk" <bunk@...nel.org>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	"David Brownell" <dbrownell@...rs.sourceforge.net>,
	a.zummo@...ertech.it,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	bugme-daemon@...zilla.kernel.org, rtc-linux@...glegroups.com
Subject: Re: [Bug 10866] /dev/rtc was missing until I disabled CONFIG_RTC_CLASS

On Fri, Jun 13, 2008 at 10:33 PM, Adrian Bunk <bunk@...nel.org> wrote:
> On Sat, Jun 07, 2008 at 10:42:57PM +0200, Rafael J. Wysocki wrote:
>> This message has been generated automatically as a part of a report
>> of recent regressions.
>>
>> The following bug entry is on the current list of known regressions
>> from 2.6.25.  Please verify if it still should be listed.
>>
>>
>> Bug-Entry     : http://bugzilla.kernel.org/show_bug.cgi?id=10866
>> Subject               : /dev/rtc was missing until I disabled CONFIG_RTC_CLASS
>> Submitter     : Lior Dotan <liodot@...il.com>
>> Date          : 2008-06-05 15:04 (3 days old)
>> References    : http://marc.info/?l=linux-kernel&amp;m=121267834521432&amp;w=4
>
> Where are we regarding this entry in the 2.6.26-rc regression list?
>
> I'd agree with David that CONFIG_RTC_CLASS disabling CONFIG_RTC is a fix
> and not a 2.6.26-rc regression.
>
> Does anyone disagree with this?
>
>
> I'm not sure whether this was Lior's problem or another issue I'm seeing
> on my computer (static /dev, no udev):
>
> /dev/rtc (major 10, minor 135) does not seem to exist, and I'd call this
> a functional regression of the new drivers.
>
> Could this be fixed?
>
>
> cu
> Adrian
>
> --

I don't know if it helps you to decide but the way I got to this
configuration is by copying my working 2.6.25 .config file and running
make oldconfig. I think this scenario is common when upgrading to a
newer version so you should make sure it doesn't generate an invalid
configuration.

Lior.
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