From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jan Zwiegers" <jan@eagle.co.za>
Date: Fri, 25 Aug 2006 11:41:01 +0000
Subject: RE: issues getting I/O device to work with udev....
Message-Id: <20060825114059.DBF58CB59F@mx1.vodamail.co.za>
List-Id: <linux-hotplug.vger.kernel.org>
References: <20060823222620.GA1164@seberino.org>
In-Reply-To: <20060823222620.GA1164@seberino.org>
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To: linux-hotplug@vger.kernel.org

> -----Original Message-----
> From: Kay Sievers [mailto:kay.sievers@vrfy.org]
> Sent: 25 August 2006 12:37 PM
> To: jan@eagle.co.za
> Cc: chris@seberino.org; 'John Thomas'; linux-hotplug-
> devel@lists.sourceforge.net; 'Ray Schumacher'; md@Linux.IT
> Subject: RE: issues getting I/O device to work with udev....
> 
> On Fri, 2006-08-25 at 11:19 +0200, Jan Zwiegers wrote:
> > > -----Original Message-----
> > > From: Kay Sievers [mailto:kay.sievers@vrfy.org]
> > > Sent: 24 August 2006 01:10 AM
> > > To: chris@seberino.org
> > > Cc: md@Linux.IT; linux-hotplug-devel@lists.sourceforge.net; John
> Thomas;
> > > jan@eagle.co.za; Ray Schumacher
> > > Subject: Re: issues getting I/O device to work with udev....
> > >
> > > On Wed, 2006-08-23 at 16:02 -0700, chris@seberino.org wrote:
> > > > Marco
> > > >
> > > > Thanks.  I changed 10-edredaq.rules and z-edredaq.rules to both be
> > > >
> > > > SUBSYSTEM="edredaq", SYSFS{edredaq_nodename}="device*",
> > > NAME="edredaq/device%m"
> > > >
> > > > Now 'udevtest edredaq/device0' has just this error message left:
> > >
> > > Udevtest expects the sysfs devpath, not the node name. Try:
> > >   udevtest /class/edredaq/device0
> > [Jan Zwiegers]
> > I'm the developer at Eagle who wrote all the Linux DAQ class & device
> > drivers (PCI, PC104 & USB) and also the udev rule. Out API depends on
> the
> > fact that the device gets created under /dev/edredaq/device0-99. This
> rules
> > worked just fine on previous systems, but suddenly it started to fail on
> > newer distros. Please have a look at the following. udev seems to work
> fine,
> > but I think the problem might be with PAM.
> >
> > udevinfo -a -p /sys/class/edredaq/device0/
> >
> > ...
> > looking at device '/class/edredaq/device0':
> >     KERNEL="device0"
> >     SUBSYSTEM="edredaq"
> >     SYSFS{edredaq_nodename}="device0"
> >     SYSFS{dev}="253:0"
> > ...
> >
> > udevtest /class/edredaq/device0/
> >
> > main: looking at device '/class/edredaq/device0' from subsystem
> 'edredaq'
> > udev_rules_get_name: rule applied, 'device0' becomes 'edredaq/device0'
> > create_node: creating device node '/dev/edredaq/device0', major = '253',
> > minor = '0', mode = '0666', uid = '0', gid = '0'
> > main: run: 'socket:/org/kernel/udev/monitor'
> > main: run: '/lib/udev/udev_run_devd'
> > main: run: 'socket:/org/freedesktop/hal/udev_event'
> > main: run: '/sbin/pam_console_apply /dev/edredaq/device0 '
> >
> > And also the updated rule z-edredaq.rules as suggested by Marco (many
> thanks
> > Marco)
> > SUBSYSTEM="edredaq", SYSFS{edredaq_nodename}="device*",
> > NAME="edredaq/device%m"
> >
> > Can you guys maybe point me to a solution?
> 
> Hmm, what exactly is the problem? What suddenly started to fail?
[Jan Zwiegers] 
Sorry I forgot to add, this particular device is PCI, but the same happends
with my USB & PC104/ISA drivers. All the drivers register with the my DAQ
class driver, which intern does the SYSFS & file interface part.
> 
> Can you paste the output of 'udevmonitor' when you load the kernel
> module? Or the output when connect the USB device, if you only have it
> built-in.
> 
> Kay



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