[juneau-lug] Re: Mandrake 9.2 & LG CD-Roms (Dell, etc.)

  • From: Jamie <jamie@xxxxxxxxxxxxxxxxx>
  • To: juneau-lug@xxxxxxxxxxxxx
  • Date: Sun, 26 Oct 2003 11:52:00 -0900

James,
Thanks for the heads up on this one.  Here is a good summary:

Nobody really knows what the problem is at this point, but yes, it is the
case that ANY hardware that can be put out of commission by software is
at fault, morally.  The latest from the cooker list is that the problem
seems to affect LG cdroms (not burners, not dvds) with the model number
CRD-84xx, and that it seems to have been triggered by a patch for
packet-writing added to the 2.4.22-rc2q5 kernel on Aug 15.

I don't know how they narrowed down on that. There is no indication in
the cooker lists.  There is a lot of traffic reporting model numbers of
working and nonworking drives, with everybody everywhere (mandrake or
not) in the dark as to what the cause might be, and then this mail from
Guillaume Cottenceau saying that Nicolas Planel "has found the origin".

Maybe somebody follwoing IRC can tell me.

And the comment is that a month of beta testing didn't find the problem,
so presumably none of their beta testers had such drives.

I would say that patching the kernel for hardware support might be
risky. This would have been caught if it were in kernel ... I think. 
It's only a specific manufacturer and a specific set of models, so the
chances would be low too that kernel list denizens would find it.


Peter

From: P.T. Breuer 
<http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&q=author:ptb%40oboe.it.uc3m.es+>
 (ptb@xxxxxxxxxxxxxxx <mailto:ptb%40oboe.it.uc3m.es>)
  


James Zuelow wrote:

>Those of you who follow Slashdot already know this, but I know some people on 
>this list don't.  And I know that Mandrake is fairly popular as a "try it out" 
>distribution because of the ease of installation.  It seems there is an issue 
>with Mandrake 9.2 installation and LG CD-ROM drives.
>
>Basically, don't install Mandrake 9.2 until AFTER you've checked your CD-ROM 
>manufacturer and version.
>
>Here's a thread you can read for details:
>
>--link may wrap--
>http://groups.google.com/groups?dq=&hl=en&lr=&ie=UTF-8&threadm=20031025224121.070c56f1.newspost%40xanadu.nagarajan.net&prev=/groups%3Fhl%3Den%26lr%3D%26ie%3DUTF-8%26group%3Dalt.os.linux.mandrake
>--link may wrap--
>
>and the details from MandrakeSoft:
>
>--link may wrap--
>http://www.mandrakelinux.com/en/errata.php3#badlg
>--link may wrap--
>
>It will be interesting to figure out exactly what is causing the problem.
>
>Cheers,
>
>James
>
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-- 
Browns Homepage (pics updated 15Oct03) http://jdb.homelinux.net




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