Re: External Iomega Ditto

well done that man - that fixed it :)

odd that it worked before without this....

this is probably well worth a mention in the documentation



James S






snip
> Well, you encouraged me to try my old Colorado trakker and see what 
> happens. I hope some of the things I found be useful to you. Note that 
> this is the first time I try things with a parallel port unit under 
> Linux, and that I have no idea whether it would have worked before 
> without these changes. These are my software versions:
> 
> Linux kernel 2.4.19
> ftape module built from 2002.08.02 snapshot (from ftape-source)
> Debian testing as of today.
> 
> 1) Adding trakker on the ftape-util file to be used as unit 1
>     (with an internal unit as unit 0) and trying after
>      update-modules:
> 
>     # mt -f /dev/nqft1 status
>     mt: /dev/nqft1: No such device or address
> 
>     Info from the logs:
> 
> kernel: (c) 1996-2000 Claus-Justus Heine <[email protected]>
> kernel: vfs interface for ftape floppy tape driver.
> kernel: Support for QIC-113 compatible volume table.
> kernel: Compiled for Linux version 2.4.19
> kernel: [000]   zftape-init.c (zft_init) - zft_init @ 0xc89569b0.
> kernel: [001]   zftape-init.c (zft_init) - installing zftape VFS 
> Interface for ftape driver ....
> kernel: trakker.c: trakker_register @ 0xc8965e50
> kernel: [002]    fdc-io.c (fdc_register) - Probing for trakker tape 
> drive slot 1.
> kernel: parport0: PC-style at 0x378 (0x778) [PCSPP(,...)]
> kernel: parport_pc: Via 686A parallel port: io=0x378
> kernel: [003] 1       fdc-parport.h (ft_parport_probe) - dev: c24af2c0.
> kernel: [004] 1       fdc-parport.h (ft_parport_probe) - irq: -1.
> kernel: [005] 1       fdc-parport.h (ft_parport_probe) - port: 378.
> 
> that is no sucess at all. (Nothing new in /proc/interrupts related to 
> parport)
> 
> 2) Removing modules and adding a line to /etc/modutils/ftape-util (this
>     line should really go in a local-changes file in that dir):
> 
>     options parport_pc io=0x378 irq=7
> 
>     update-modules and trying again:
> 
>    # mt -f /dev/nqft1 status
>    qic-117 drive type = 0x00047, no tape or door open
>    drive status = 1
>    sense key error = 0
>    residue count = 0
>    file number = -1
>    block number = -1
>    gstat = 40000
> 
>    Works! I also see interrupt 7 used in /proc/interrupts by parport0.
> 
> In both cases 1) and 2) my parallel printer works. I really do not know 
> what was changed in woody, but I wold really like to know it.
> 
> One more thing, you probably do not need to put any interrupt as an 
> option for bkp-fdc, is parport who choses that. For my trakker I needed only
> 
> options ftape ft_fdc_driver=ftape-internal,trakker,none,none
> 
> (apart from the change above).
> 
> Hope this helps
> 
> 
> Agustin
> 
> -- 
> =====================================================================
> Agustin Martin Domingo, Dpto. de Fisica, ETS Arquitectura Madrid,
> (U. Politecnica de Madrid)  tel: +34 91-336-6536, Fax: +34 91-336-6554,
> email:[email protected], http://corbu.aq.upm.es/~agmartin/welcome.html
> 
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