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SubjectRe: ECP+EPP mode problem with IOMEGA Zip
On Tue, 19 Jan 1999, Tim Waugh wrote:

> Date: Tue, 19 Jan 1999 20:45:47 +0000 (GMT)
> From: Tim Waugh <tim@cyberelk.demon.co.uk>
> To: linux-kernel@vger.rutgers.edu
> Cc: tom.bjorkholm@swipnet.se, Juan Antonio Martinez <jantonio@dit.upm.es>,
> Jan Kara <jack@atrey.karlin.mff.cuni.cz>
> Subject: Re: ECP+EPP mode problem with IOMEGA Zip
>
> Could people who are having trouble with their parallel ports not getting
> found try this patch and let me know if it changes anything?
>
> Thanks,
> Tim.
> */
>
> --- linux/drivers/misc/parport_pc.c~ Tue Jan 19 20:11:32 1999
> +++ linux/drivers/misc/parport_pc.c Tue Jan 19 20:14:03 1999
> @@ -354,6 +354,7 @@
> parport_pc_epp_clear_timeout(pb);
>
> /* Do a simple read-write test to make sure the port exists. */
> + parport_pc_write_econtrol(pb, 0xc);
> parport_pc_write_control(pb, 0xc);
> parport_pc_write_data(pb, 0xaa);
> if (parport_pc_read_data(pb) != 0xaa) return 0;
>

It changes nothing....
Here comes a log message. Signifficant lines are at the end...

Jan 20 22:38:46 cochito kernel: NET4: AppleTalk 0.18 for Linux NET4.0
Jan 20 22:38:46 cochito kernel: smc-ultra.c: Presently autoprobing (not recommended) for a single card.
Jan 20 22:38:46 cochito kernel: smc-ultra.c:v2.00 6/6/96 Donald Becker (becker@cesdis.gsfc.nasa.gov)
Jan 20 22:38:47 cochito named[305]: starting. named 8.1.2 Thu Sep 24 02:47:08 EDT 1998 ^Iroot@porky.redhat.com:/usr/src/bs/BUILD/src/bin/named
Jan 20 22:38:47 cochito named[305]: cache zone "" (IN) loaded (serial 0)
Jan 20 22:38:47 cochito named[305]: master zone "0.0.127.in-addr.arpa" (IN) loaded (serial 1997022700)
Jan 20 22:38:47 cochito named[305]: listening on [127.0.0.1].53 (lo)
Jan 20 22:38:47 cochito named[305]: listening on [192.1.1.1].53 (eth0)
Jan 20 22:38:47 cochito named[305]: Forwarding source address is [0.0.0.0].1024
Jan 20 22:38:46 cochito kernel: eth0: SMC Ultra at 0x280, 00 00 C0 3A 87 AE, IRQ 10 memory 0xd0000-0xd3fff.
Jan 20 22:38:49 cochito kernel: Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
Jan 20 22:38:47 cochito named[306]: Ready to answer queries.
Jan 20 22:38:48 cochito exportfs[329]: can't open /var/lib/nfs/rmtab for reading
Jan 20 22:38:53 cochito PAM_pwdb[397]: (su) session opened for user postgres by (uid=100)
Jan 20 22:38:53 cochito PAM_pwdb[397]: (su) session closed for user postgres
Jan 20 22:38:56 cochito kernel: Linux video capture interface: v1.00
Jan 20 22:38:57 cochito kernel: i2c: initialized
Jan 20 22:38:58 cochito kernel: i2c: driver registered: tuner
Jan 20 22:38:59 cochito kernel: i2c: driver registered: msp3400
Jan 20 22:39:00 cochito kernel: bttv0: Brooktree Bt848 (rev 17) bus: 0, devfn: 152, irq: 12, memory: 0xe4000000.
Jan 20 22:39:00 cochito kernel: bttv: 1 Bt8xx card(s) found.
Jan 20 22:39:00 cochito kernel: bttv0: model: BT848(Miro)
Jan 20 22:39:00 cochito kernel: i2c: bus registered: bt848-0
Jan 20 22:39:00 cochito kernel: i2c: device attached: tuner (addr=0xc0, bus=bt848-0, driver=tuner)
Jan 20 22:39:43 cochito PAM_pwdb[464]: (login) session opened for user root by (uid=0)
Jan 20 22:39:43 cochito login[464]: ROOT LOGIN ON tty1
Jan 20 22:39:43 cochito PAM_pwdb[464]: (login) session closed for user root
Jan 20 22:39:59 cochito kernel: parport0: PC-style at 0x378, irq 7 [SPP,PS2,EPP,ECP,ECPEPP,ECPPS2]
Jan 20 22:40:09 cochito kernel: parport0: Printer, EPSON Stylus COLOR 300
Jan 20 22:43:13 cochito kernel: parport0: PC-style at 0x378, irq 7 [SPP,EPP,ECP,ECPEPP,ECPPS2]
Jan 20 22:43:13 cochito kernel: parport0: no IEEE-1284 device present.
Jan 20 22:43:13 cochito kernel: ppa: Version 2.03 (for Linux 2.0.0)
Jan 20 22:43:13 cochito kernel: WARNING - no ppa compatible devices found.
Jan 20 22:43:13 cochito kernel: As of 31/Aug/1998 Iomega started shipping parallel
Jan 20 22:43:13 cochito kernel: port ZIP drives with a different interface which is
Jan 20 22:43:13 cochito kernel: supported by the imm (ZIP Plus) driver. If the
Jan 20 22:43:13 cochito kernel: cable is marked with "AutoDetect", this is what has
Jan 20 22:43:13 cochito kernel: happened.
Jan 20 22:43:13 cochito kernel: scsi : 0 hosts.
Jan 20 22:43:13 cochito insmod: /lib/modules/2.2.0-pre7-ac4/scsi/ppa.o: init_module: Device or resource busy
Firt comes a successfull "modprobe parport_probe" with an EPSON
Stylus Color 300 printer ( that doesn't work yet due to ghostscript, but
this is another sad history... ) Next I plugged my zip , rmmod'ed any
paralell port related modules and try to mount /mnt/zip

Same problem ocurrs in 2.1.132 kernel version.

I'll try to investigate them. At this moment only tested at home, so I have to
look for another victim... perhaps is a motherboard problem ( intel 540STX .
very old... ). Anyway no problem in test any idea you can give me

Juan Antonio \|||/
/ _ _ \
\ o o /
=========================o00o===U===o00o======================================
Juan Antonio Martínez Universidad Politécnica de Madrid
email: jantonio@dit.upm.es E.T.S.I Telecomunicación
http://www.dit.upm.es/~jantonio Ciudad Universitaria s/n
Tel: 34-1-5495700 ext 328 Centro de Cálculo
Fax: 34-1-3367333 Madrid, Spain
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Allways look for the rigth side of life - Monty Phyton en "La vida de Brian"
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