From: Kay Sievers <kay.sievers@vrfy.org>
To: linux-hotplug@vger.kernel.org
Subject: Re: [OFFTOPIC] udev question
Date: Sat, 18 Jun 2005 08:24:36 +0000 [thread overview]
Message-ID: <20050618082436.GA29763@vrfy.org> (raw)
In-Reply-To: <Pine.LNX.4.62.0506181213560.27030@www.buraphalinux.org>
On Sat, Jun 18, 2005 at 12:18:14PM +0700, John Gatewood Ham wrote:
> Hello,
>
> I upgraded from udev 0.54 to udev 0.58 and had many problems.
> I finally tracked it down to my rules for /dev/null and /dev/zero.
> These rules worked for 0.54:
>
> SYSFS{dev}="1:3", NAME="null", OWNER="root", GROUP="root", MODE="0666"
> SYSFS{dev}="1:5", NAME="zero", OWNER="root", GROUP="root", MODE="0666"
I can't reproduce this. These rules work perfectly on my box. According
to the code I can't see how udev can create block devices here.
> I believe that somehow using SYSFS{dev} now assumes anything is
> a block device instead of looking it up somehow (like KERNEL does).
> Perhaps if the lookup is difficult or expensive, you could have
> a way to specify block or character device? Maybe there is a way to
> sneak that into the MODE specification?
No, the type of device is determined by the sysfs path. /dev/zero comes from
DEVPATH=/class/mem/zero. All DEVPATH's starting with /class/* will be
created as char devices.
No idea what is going wrong on your box.
Kay
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next prev parent reply other threads:[~2005-06-18 8:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-18 5:18 [OFFTOPIC] udev question John Gatewood Ham
2005-06-18 8:24 ` Kay Sievers [this message]
2005-06-18 8:55 ` John Gatewood Ham
2005-06-18 9:11 ` Kay Sievers
2005-06-19 5:17 ` Greg KH
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