Re: [9fans] can't cat to /dev/sdC1/ctl

Re: [9fans] can't cat to /dev/sdC1/ctl

[rsc]

quickblank is a command for /mnt/cd/ctl
via cdfs, not for /dev/sdC1/ctl.  it only applies
to cd-rws, by the way.

dma on is failing because the combination of
your ide controller and your cd reader appear
not to support dma, at least as far as plan 9
inquires.

russ

Re: [9fans] can't cat to /dev/sdC1/ctl

[peter a. cejchan]

rsc@plan9.bell-labs.com wrote in message news:<298eba68b25eaf165624679f65794bc7@plan9.bell-labs.com>...
> quickblank is a command for /mnt/cd/ctl
> via cdfs, not for /dev/sdC1/ctl.  it only applies
> to cd-rws, by the way.
>
> dma on is failing because the combination of
> your ide controller and your cd reader appear
> not to support dma, at least as far as plan 9
> inquires.
>
> russ

I've realized the first answer soon after posting it... I'm stupid :-(
Gonn take a rest...
TX!

[9fans] can't cat to /dev/sdC1/ctl

[Peter A. Cejchan]

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I have problems writing to ctl file of my CD-writer. See attached below.
Regards,
--
++pac.

Peter A. Cejchan
Paleobiology Lab, GLU Acad. Sci. CZ
<pac@next.gli.cas.cz>
[http | ftp]://next.gli.cas.cz

[-- Attachment #2: ctl --]
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term% allow
term% echo quickblank > /dev/sdC1/ctl
echo: write error: bad process or channel control request
term% mntcd
mount: can't open /srv/9660: '/srv/9660' file does not exist
ERROR\n
term% /bin/mntcd
/n/cd/Unix
term% echo quickblank > /dev/sdC1/ctl
echo: write error: bad process or channel control request
term% cat  /dev/sdC1/ctl
inquiry HP      CD-Writer+ 7200 3.014VO09984119221600210
config 8580 capabilities 0B00
term% echo dma on >  /dev/sdC1/ctl
echo: write error: bad process or channel control request
term% allow
term% echo dma on >  /dev/sdC1/ctl
echo: write error: bad process or channel control request
term% um # unmount all
term% echo dma on >  /dev/sdC1/ctl
echo: write error: bad process or channel control request
term%