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cdrecord -scanbus finds no devices. What now?
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sheepdog
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Location: Edison Enterprises Inc., Lake Oswego, Oregon, USA

PostPosted: Mon Nov 04, 2002 9:58 pm    Post subject: cdrecord -scanbus finds no devices. What now? Reply with quote

Linux is getting better and better but there are 3 things that remain persistently broken and an absolute obsticle to its widespread adoption:
    Printing
    Sound Mixing
    CD Burning

I spend more time struggling with these three things than anything else in the operating system.

Right now I cannot get my CD-RW drive to write. I have been through the several threads in the forum about how to do this without relief. The setup:

Gentoo 1.4-rc1
Sony IDE CD-RW

lsmod:

    sg
    ide-scsi
    scsi-mod [sg ide-scsi]


grub has been modified to
Code:
kernel bzImage root=/dev/md2 hde=scsi


Yet
Code:
cdrecord -scanbus
tells me there is nothing there.

Any assistance would be greatly appreciated.

-- Michael
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rac
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Joined: 30 May 2002
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Location: Japanifornia

PostPosted: Mon Nov 04, 2002 10:50 pm    Post subject: Reply with quote

Have you seen kerframil's Kernel SCSI emulation for CD burning - the truth?
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sheepdog
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PostPosted: Mon Nov 04, 2002 11:01 pm    Post subject: Reply with quote

rac wrote:
Have you seen kerframil's Kernel SCSI emulation for CD burning - the truth?


Yes, I have, and I attempted to follow it precisely. Which reminds me that I did modify the /etc/modules.conf file with
Code:
options ide-scsi ignore='hde'


-- Michael
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rac
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PostPosted: Mon Nov 04, 2002 11:13 pm    Post subject: Reply with quote

OK, then, so quietly now, in case kerframil is listening :wink:, but have you tried turning IDE CD support off?
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jbradley
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Joined: 31 Oct 2002
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PostPosted: Tue Nov 05, 2002 2:58 am    Post subject: Reply with quote

My grub menu.lst file has the line:
kernel /boot/bzImage root=/dev/hda2 hdc=ide-scsi

You list your's as having:
kernel bzImage root=/dev/md2 hde=scsi

Unless you have an addon IDE card that gives you a couple of additional ide drive ports, in addition to the 4 drive ports that your motherboard probably has, you shouldn't have an hde drive. It would be the master drive of a 3rd controller, with hda being the master of the first controller, hdb the slave of the first, hdc the master of the second controller, and hdd being the slave.
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sheepdog
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PostPosted: Tue Nov 05, 2002 4:31 pm    Post subject: Reply with quote

rac wrote:
OK, then, so quietly now, in case kerframil is listening :wink:, but have you tried turning IDE CD support off?


Good idea! It worked. I now see the CD with cdrecord -scanbus. Thank you. Guess it is important to remove IDE support from the kernel. (I'm whispering quietly).:smile:
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sheepdog
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PostPosted: Tue Nov 05, 2002 4:33 pm    Post subject: Reply with quote

jbradley wrote:
My grub menu.lst file has the line:
kernel /boot/bzImage root=/dev/hda2 hdc=ide-scsi

You list your's as having:
kernel bzImage root=/dev/md2 hde=scsi

Unless you have an addon IDE card that gives you a couple of additional ide drive ports, in addition to the 4 drive ports that your motherboard probably has, you shouldn't have an hde drive. It would be the master drive of a 3rd controller, with hda being the master of the first controller, hdb the slave of the first, hdc the master of the second controller, and hdd being the slave.


Yes, that's right. Good catch. I do have an addon IDE card just for the CD-RW. The onboard IDE channels are used for a RAID 1 array and the system wouldn't allow a RAID 1 array with a CD on one of the channels, too.

-- Michael
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sheepdog
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Location: Edison Enterprises Inc., Lake Oswego, Oregon, USA

PostPosted: Tue Nov 05, 2002 5:33 pm    Post subject: Finally burned Reply with quote

Took three tries but finally was able to burn an ISO to CD.

k3b has a SEG FAULT bug when you try to burn ISO's. This bug has been submitted to KDE.

Next tried Arson, but this application errorred while trying to burn the ISO. The error output did not make it clear why.

Finally used cdbakeoven and that application burned the ISO without error, although the usage could have been much clearer.

Thanks to all for the essential assistance.

-- Michael
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plate
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Joined: 25 Jul 2002
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Location: Berlin

PostPosted: Tue Nov 05, 2002 6:19 pm    Post subject: Re: Finally burned Reply with quote

sheepdog wrote:
k3b has a SEG FAULT bug when you try to burn ISO's. This bug has been submitted to KDE.

Works for me, always has. I've been having real burnfests with ISOs here, Gentoo PPC, FreeBSD, other Linux distros CDs, you name it, all with K3b.
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Belthezar
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Joined: 03 Jun 2002
Posts: 28
Location: Ohio, USA

PostPosted: Fri Nov 08, 2002 12:04 am    Post subject: Reply with quote

I got the segfault on k3b when I tried to burn an ISO as well under my normal username. I then logged in as root, burned an ISO successfully and upon logging in with my normal user again I could also burn an ISO. <shrug> Oh well, at least it works on one of my systems now! Still having trouble on my main PC at home, but I was glad to get my work machine going.
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