From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Gerold J. Wucherpfennig" Date: Thu, 12 May 2005 12:31:47 +0000 Subject: Re: udev - ttyACM0 Message-Id: <200505121431.47611.gjwucherpfennig@gmx.net> List-Id: References: <200505081049.08602.gjwucherpfennig@gmx.net> In-Reply-To: <200505081049.08602.gjwucherpfennig@gmx.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hotplug@vger.kernel.org Thanks a lot for replying to my latest posting :-) Every time I want to use the USB Modem for the first time after a system (re)boot I have to do mknod /dev/ttyACM0 c 166 0 manually to get the device file though /sys/class/tty/ttyACM0/ is present root@localhost ~]# ls -l /sys/class/tty/ttyACM0/ total 0 -r--r--r-- 1 root root 4096 May 12 13:33 dev lrwxrwxrwx 1 root root 0 May 12 13:33 device -> ../../../devices/pci0000:00/0000:00:10.1/usb2/2-1/2-1.1/2-1.1:2.0 lrwxrwxrwx 1 root root 0 May 12 14:05 driver -> ../../../bus/usb/drivers/cdc_acm [root@localhost ~]# [root@localhost ~]# cat /sys/class/tty/ttyACM0/dev 166:0 [root@localhost ~]# On Tuesday 10 May 2005 23:43, Greg KH wrote: > On Sun, May 08, 2005 at 10:49:08AM +0200, Gerold J. Wucherpfennig wrote: > > Unfortunately udev doesn't create ttyACMx devices though they are listed > > in /sys/class/tty/. The udev developers seemed to have forgotten this > > devices. > > Why does udev have to do anything special for acm devices, they should > work just fine. Do your devices not work properly somehow? > On Monday 09 May 2005 22:01, Kay Sievers wrote: > On Mon, 2005-05-09 at 19:07 +0200, Gerold J. Wucherpfennig wrote: > > No response, very sad... > > Can at least anybody confirm that NO ttyACM device files are created > > though CDC_ACM devices are present? Is there anybody else with a CDC_ACM > > device? > > I don't know if that device will work - never tried that. But > udev works perfectly with my mobile phone: > > [kay@pim ~]$ ls -la /dev/ttyACM0 > crw-rw---- 1 root root 166, 0 May 9 21:57 /dev/ttyACM0 > > [kay@pim ~]$ tree /sys/class/tty/ttyACM0/ > /sys/class/tty/ttyACM0/ > > |-- dev > > `-- device -> ../../../devices/pci0000:00/0000:00:1d.1/usb3/3-1/3-1:1.1 > > > Kay Thanks for replying ------------------------------------------------------- This SF.Net email is sponsored by Oracle Space Sweepstakes Want to be the first software developer in space? Enter now for the Oracle Space Sweepstakes! http://ads.osdn.com/?ad_ids93&alloc_id281&op=click _______________________________________________ Linux-hotplug-devel mailing list http://linux-hotplug.sourceforge.net Linux-hotplug-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel