Date: Sun, 31 Jul 2005 08:25:12 +0930 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Chuck Swiger <chuck@pkix.net> Cc: cdelsey@qwest.net, freebsd-questions@freebsd.org Subject: Re: Growisofs seg faults with DVD-RAM. Anybody else seen this? Message-ID: <20050730225512.GM75379@wantadilla.lemis.com> In-Reply-To: <42EBC3F1.5040501@pkix.net> References: <20050730055013.GA57362@localhost.local> <20050730062425.GK75379@wantadilla.lemis.com> <42EBC3F1.5040501@pkix.net>
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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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