Re: Growisofs seg faults with DVD-RAM. Anybody else seen this?

From: Greg 'groggy' Lehey (grog_at_FreeBSD.org)
Date: 07/31/05

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    Date: Sun, 31 Jul 2005 08:25:12 +0930
To: Chuck Swiger <chuck@pkix.net>

    On Saturday, 30 July 2005 at 14:16:17 -0400, Chuck Swiger wrote:
    > Greg 'groggy' Lehey wrote:
    >> On Friday, 29 July 2005 at 22:50:13 -0700, Carl Delsey wrote:
    >>> I was trying to use growisofs to write to a DVD-RAM and it kept
    >>> seg faulting. It worked fine with a DVD-R.
    >>>
    >>> I tracked the problem down to place in the code where growisofs
    >>> tries to perform an operation on a file handle it has already
    >>> closed.
    >>>
    >>> I've implemented a workaround already. The problem is, that by my
    >>> reckoning, this should affect anybody who is trying to use a DVD-RAM
    >>> (not DVD+RW) with FreeBSD, but I haven't found any references to the
    >>> problem on the net.
    >>
    >> My guess is that DVD-RAM isn't popular enough, and that people who
    >> have had problems with it haven't had the understanding to track the
    >> bug down.
    >
    > dvd+rw-tools doesn't support -RAM as well as other formats, in part because
    > the {+,-}R(W) formats are much more common, in part because there are some
    > pretty serious quirks in the older drives, but improvements would be
    > welcome.

    Carl's report and patch suggest that the biggest reason that
    dvd+rw-tools doesn't support -RAM is due a bug in the program, not in
    the drives.

    Greg 

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