From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 16 May 2001 09:19:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 16 May 2001 09:19:32 -0400 Received: from pD9004B0D.dip.t-dialin.net ([217.0.75.13]:43746 "HELO schottelius.org") by vger.kernel.org with SMTP id ; Wed, 16 May 2001 09:19:22 -0400 Message-ID: <3B027E46.5095E8BB@pcsystems.de> Date: Wed, 16 May 2001 15:19:02 +0200 From: Nico Schottelius X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.4.4 i686) X-Accept-Language: en MIME-Version: 1.0 To: Linux Kernel Mailing List , Philip.Blundell@pobox.com, tim@cyberelk.demon.co.uk, campbell@torque.net, andrea@e-mind.com, linux-parport@torque.net Subject: parport problems with devfs Content-Type: multipart/mixed; boundary="------------4CDFF581E9F72400F74D57C7" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. --------------4CDFF581E9F72400F74D57C7 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Hello! I attached the problem occured with parport and devfs. I don't exactly know where the problem in the parport source is. If someone has a patch for it, I will test it. Nico --------------4CDFF581E9F72400F74D57C7 Content-Type: text/plain; charset=us-ascii; name="DEVFS_parport" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="DEVFS_parport" # Loading the parport and parport_pc modules for my parallelport flapp:/home/user/nico/gpm-1.19.3 # modprobe parport_pc # is there an entry in /dev ? flapp:/home/user/nico/gpm-1.19.3 # ls /dev/ . cdroms fb initctl mem ptmx root usb .. console full input misc pts shm vc .devfsd cpu gpmctl kmem null pty tty vcc apm_bios discs ide log port random urandom zero # What does the kernel message say ? flapp:/home/user/nico/gpm-1.19.3 # dmesg | tail -n 14 usb.c: registered new driver hid mice: PS/2 mouse device common for all mice 0x378: FIFO is 16 bytes 0x378: writeIntrThreshold is 7 0x378: readIntrThreshold is 7 0x378: PWord is 8 bits 0x378: Interrupts are ISA-Pulses 0x378: ECP port cfgA=0x10 cfgB=0x49 0x378: ECP settings irq=7 dma=1 parport0: PC-style at 0x378 (0x778) [PCSPP,TRISTATE,COMPAT,ECP] parport0: cpp_daisy: aa5500ff(38) parport0: assign_addrs: aa5500ff(38) parport0: cpp_daisy: aa5500ff(38) parport0: assign_addrs: aa5500ff(38) # Have a look what lp0 has been before >>From /usr/src/linux/Documentation/ : 6 char Parallel printer devices 0 = /dev/lp0 Parallel printer on parport0 1 = /dev/lp1 Parallel printer on parport1 # make our own device out of /dev flapp:/ # mknod /lp0 c 6 0 # has anything happened ? No! flapp:/ # ls /dev/ . cdroms fb initctl mem ptmx root usb .. console full input misc pts shm vc .devfsd cpu gpmctl kmem null pty tty vcc apm_bios discs ide log port random urandom zero # Use the printer the easiest way :) flapp:/ # cat /tmp/* > lp0 # And now... flapp:/ # ls /dev/ . cdroms fb initctl mem printers random urandom zero .. console full input misc ptmx root usb .devfsd cpu gpmctl kmem null pts shm vc apm_bios discs ide log port pty tty vcc # there is now the entry printers/0. --------------4CDFF581E9F72400F74D57C7--