The phgfsck (a.k.a. "The Philips UDF Verifier") chokes
To run that fsck, you have to provide a /dev/sg$n name
for your device, else create an image of your whole disc.
This should not be.
SCSI pass thru via ioctl CDROM_SEND_PACKET works for
DVD/ CD in both Linux 2.6 and 2.4. And in 2.6, SCSI
pass thru via ioctl SG_IO works for /dev/scd$n, not
just for /dev/sg$n.
We're stuck because, as yet, the phgfsck source, and
other SCSI pass thru sources on the web, are neither
"open" nor "free", when we define those words
conventionally as in:
Someone needs to try an LGPL donation of SCSI pass thru
into the phgfsck, else create an entirely open udf fsck
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