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Date: Mon, 28 Oct 2002 13:14:33 +0100
From: Jens Axboe <axboe@suse.de>
To: Markus Plail <plail@web.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [Bug] 2.5.44-ac2 cdrom eject panic
Message-ID: <20021028121433.GA872@suse.de>
References: <20021025103631.GA588@giantx.co.uk> <20021025103938.GN4153@suse.de> <87adl2is1u.fsf@gitteundmarkus.de> <20021025144224.GW4153@suse.de> <87pttyh3r5.fsf@gitteundmarkus.de> <20021025165354.GG4153@suse.de> <874rb71xfc.fsf@gitteundmarkus.de> <20021027185636.GJ3966@suse.de>
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On Sun, Oct 27 2002, Jens Axboe wrote:
> > Now if C2 scans would work that'd be great ;-)
> > 
> > [plail@plailis_lfs:plail]$ readcd dev=/dev/hdc -c2scan
> > Read  speed:  7056 kB/s (CD  40x, DVD  5x).
> > Write speed:     0 kB/s (CD   0x, DVD  0x).
> > Capacity: 4116432 Blocks = 8232864 kBytes = 8039 MBytes = 8430 prMB
> > Sectorsize: 2048 Bytes
> > Copy from SCSI (0,0,0) disk to file '/dev/null'
> > end:   4116432
> > addr:        0 cnt: 99^Mreadcd: Operation not permitted. Cannot send SCSI cmd vi
> > readcd: Operation not permitted. Cannot send SCSI cmd via ioctl
> 
> Interesting, have no tried readcd at all myself. Will give it a spin and
> fix this tomorrow.

It uses SCSI_IOCTL_SEND_COMMAND ioctl, an old piece of crap interface
instead of libscg. I can add the 50 lines or so to emulate that ioctl,
but it would probably be better if readcd just got converted to use
libscg instead.

-- 
Jens Axboe

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