[ale] problems with Cendyne 32x10x40 USB CD-RW with SUSE, 9.2 and FC3

[Jay Loden]

The funny thing is, I just read that on k3b.org yesterday and I was going to 
send it to you, but I guess that's a moot point now :-)

-Jay


On Friday 19 November 2004 03:06 pm, Van Loggins wrote:
> OK I have an update on the problems I was having with SUSE 9.2 and a
> workaround that seems to work ok until the problem is fixed with the
> 2.6.8 series kernel.
>
> My colleague Sergio Chaves gets the credit for finding this info out,
> he first read about it on a brazilian mail list that he subscribes to.
> I did some more digging after talking with Sergio and I found the
> following notice on the K3b.org website.
>
> "Do not use Kernel 2.6.8
>
> A patch that was introduced into the kernel shortly before the 2.6.8
> release makes K3b and also the dvd+rw-tools unusable on Linux (unless
> run as root but that is not recommended). The very important GET
> CONFIGURATION MMC command is rejected by the kernel for reasons I
> cannot see and writing commands like MODE SELECT also fail (K3b cannot
> detect CD writers without it) even when the device is opened O_RDWR.
> Until this issue has been solved I strongly recommend to stick to
> kernel version 2.6.7.
>
> Update: The kernel guys are currently fixing the problem so the next
> kernel release should work again. :)
>
> Update 2: The problem is NOT fixed in 2.6.8.1
>
> Update 3: Be aware that kernel 2.6.8 also contains the memory leak
> which makes it impossible to write audio cds, even as root. "
>
>
> I really wanted to use SUSE 9.2 Professional on my workstation at
> work, but the problems with burning CDs on my USB CD-RW drive were
> driving me crazy. The stock kernel for SUSE 9.2 is from the 2.6.8
> series. I decided to try my luck with the stock kernel that comes with
> Novel Linux Desktop version 9 which is a 2.6.5 series kernel.
> Right now Novell has a 90 day eval download for Novell Linux Desktop 9
> if you want to take the time and download it to get the kernel
> (support is limited to 90 days but the ISO images are not limited in
> any way)
>
> I am not sure if this is the recommended course of action, so try this
> at your own risk, but it seems to be working ok for me. K3b sees and
> recognizes my USB CD-RW drive where it didn't when I was using the
> 2.6.8 stock kernel for SUSE 9.2.
>
> According to everything I've read this problem is supposed to be fixed
> when the 2.6.9 kernel is released so hopefully the folks at SUSE will
> quickly make a new 2.6.9 kernel for SUSE 9.2 available as soon as it
> is released and they have a chance to test it.
>
> I hope this info helps anyone who might be having the same problems I
> have been having.
>
> Have a great day!!
>
> Van
>
> On Thu, 18 Nov 2004 07:37:35 -0500, Van Loggins <vloggins at turbocorp.com> 
wrote:
> > Message: 1
> > Date: Wed, 17 Nov 2004 16:15:51 -0500
> > From: Jay Loden <jloden at toughguy.net>
> > Subject: Re: [ale] problems with Cendyne 32x10x40 USB CD-RW with SUSE
> >         9.2 and FC3
> > To: Van Loggins <vanloggins at gmail.com>, Atlanta Linux Enthusiasts
> >         <ale at ale.org>
> > Message-ID: <200411171615.51968.jloden at toughguy.net>
> > Content-Type: text/plain;  charset="iso-8859-1"
> >
> > Just curious if you had tried running k3bsetup to see if it can detect
> > the drives, or manually adjusting the configuration of k3b to tell it the
> > location of the drive.
> >
> > Finally, did you make sure that scsi emulation was on for the drive?  I'm
> > not 100% sure if you still have to emulate a scsi drive for a burner if
> > you're using the 2.6 kernel, but I know that you used to have to enable
> > scsi emulation for each drive in the kernel boot options.