Date: Sat, 30 Jul 2005 14:16:17 -0400 From: Chuck Swiger <chuck@pkix.net> To: Greg 'groggy' Lehey <grog@FreeBSD.org> Cc: cdelsey@qwest.net, freebsd-questions@freebsd.org Subject: Re: Growisofs seg faults with DVD-RAM. Anybody else seen this? Message-ID: <42EBC3F1.5040501@pkix.net> In-Reply-To: <20050730062425.GK75379@wantadilla.lemis.com> References: <20050730055013.GA57362@localhost.local> <20050730062425.GK75379@wantadilla.lemis.com>
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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.
>> I'm wondering if anybody else has seen this problem, and if you've
>> found some other workaround for it? Or alternatively, you still have
>> the problem and my patch would be useful to you. :-)
>
> Is this a workaround or a fix? The latter is obviously preferable.
> Also, does this only affect FreeBSD, or is it general? In the former
> case, contact the maintainer (mail address in the Makefile); in the
> latter, contact the project.
I'd be happy to review or test them first if you'd like, but any changes of
this sort really ought to go upstream to Andy Polyakov <appro@fy.chalmers.se>
or to the cdwrite mailing list at <cdwrite@other.debian.org>.
--
-Chuck
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