Re: ide-scsi emulation not working

2004-03-18 Thread H. S.
Enrique Samson Jr. wrote:
1) Make a file (I called it cdrw) in /etc/modules that loads proper 


it's /etc/modutils
Yes, you are right. That was a mistake on my part. Apologies.
-HS


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Re: ide-scsi emulation not working

2004-03-17 Thread Andreas Janssen
Hello

Kent West ([EMAIL PROTECTED]) wrote:

 As I mentioned, the eroaster FAQ and google did not tell me this info;
 have you got any pointers to documentation that ide-scsi is really
 deprecated?

Check your syslog. The Kernel says it when ide-scsi is loaded. As far as
I have heard the ide-scsi driver in kernel 2.6 is not properly
maintained at the moment and has some bugs. The new system also has
some advantages, like DMA support for block sizes other than 2048 (e.g.
audio CDs).

best regards
Andreas Janssen

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Re: ide-scsi emulation not working

2004-03-17 Thread Lorenzo Prince
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Thus spake Kent West:
# I've gotten a new Dell with a cdburner; the burner works fine in WinXP 
# (yech!), but I can't seem to get it working in Debian.
# 
snip
# I'm running sid, with a stock 2.6.3-1-686 kernel.
snip 
# ide_scsi   15236  0

I am not running a 2.6.3 kernel, so I am going only on what I have read 
on this and other lists.  The way I understand it, ide-scsi is 
unnecessary in all kernels 2.6.0 and later.  Use ide-cd only and specify 
the burner device as /dev/cdrom (or whatever you specify to read the CD 
in that drive.  This will work in cdrecord and should work in any app 
that is a frontend to cdrecord.  Not sure about cdrdao and its frontends 
though.

HTH,
PRINCE
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Re: ide-scsi emulation not working

2004-03-17 Thread Rodrigo Agerri
Kent West wrote:
 
 I'm running sid, with a stock 2.6.3-1-686 kernel.
 

As someone else has said, using scsi emulation for 2.6.x kernels is
deprecated.  

However, 

 I've tried adding
  append=hdc=scsi
 to lilo.conf (and rerunning lilo and rebooting).

here you need 

append=hdc=ide-scsi

 
 [EMAIL PROTECTED]:/home/westk: ls -l /dev/sg*
 crw---1 root root  21,   0 2003-12-31 18:31 /dev/sg0
 crw---1 root root  21,   1 2003-12-31 18:31 /dev/sg1

I think that /dev/sg* should be group readable; moreover, its group is cdrom and
the user should be a member of that group. 

Then, /dev/cdrom (for example) should point to /dev/sg*

hope it helps, 

cheers, 

Rodrigo


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Re: ide-scsi emulation not working

2004-03-17 Thread Sridhar M.A.
On Wed, Mar 17, 2004 at 09:25:03AM +0100, David Baron wrote:
Note that, as is posted on bootup, ide-scsi is deprecated in 2.6 kernels. They 
recomment ide-cd instead. I am not clear how to make the switch.

I am running 2.6.4 and have no problems with cdrecord. I have no experience
with any of the frontends for cdrecord.

Here is my setup:

$ ls -l /dev/cdrom

lrwxrwxrwx1 root root3 2003-12-19 20:04 /dev/cdrom - hdd

$ cat /etc/fstab
# /etc/fstab: static file system information.
#
# file system mount point   type  options   dump  pass
/dev/hda3   /   ext3defaults,errors=remount-ro  0   1
/dev/hda11  noneswapsw  0   0
proc/proc   procdefaults0   0
/dev/fd0/floppy autodefaults,users,noauto   0   0
/dev/cdrom  /cdrom  iso9660 defaults,ro,users,noauto0  
 0

$ cdrecord -scanbus dev=ATAPI
Cdrecord-Clone 2.01a25 (i686-pc-linux-gnu) Copyright (C) 1995-2004 Jörg Schilling
NOTE: this version of cdrecord is an inofficial (modified) release of cdrecord
  and thus may have bugs that are not present in the original version.
  Please send bug reports and support requests to [EMAIL PROTECTED].
  The original author should not be bothered with problems of this version.

scsidev: 'ATAPI'
devname: 'ATAPI'
scsibus: -2 target: -2 lun: -2
Warning: Using ATA Packet interface.
Warning: The related libscg interface code is in pre alpha.
Warning: There may be fatal problems.
Using libscg version 'schily-0.8'.
scsibus0:
0,0,0 0) *
0,1,0 1) 'SAMSUNG ' 'CD-R/RW SW-248F ' 'R604' Removable CD-ROM
0,2,0 2) *
0,3,0 3) *
0,4,0 4) *
0,5,0 5) *
0,6,0 6) *
0,7,0 7) *

Here is how I create my multi-session images:

$ mkisofs -l -r -C `cdrecord -msinfo -dev=ATAPI:0,1,0` -M ATAPI:0,1,0 -o cd.img tocd/

Burning:

$ cdrecord -dev=ATAPI:0,1,0 -multi -vv speed=10 cd.img 

Have had no problems whatsoever till date.

HTH

Regards,

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Re: ide-scsi emulation not working

2004-03-17 Thread Andreas Janssen
Hello

Rodrigo Agerri ([EMAIL PROTECTED]) wrote:

 Kent West wrote:
 
 [EMAIL PROTECTED]:/home/westk: ls -l /dev/sg*
 crw---1 root root  21,   0 2003-12-31 18:31 /dev/sg0
 crw---1 root root  21,   1 2003-12-31 18:31 /dev/sg1
 
 I think that /dev/sg* should be group readable; moreover, its group is
 cdrom and the user should be a member of that group.

Doing that is a convenient way to get some not-suid applications working
(like grip, konqueror's audiocd plugin and some others). However the
settings on Kent's system are the default after installation (at least
on Woody).

best regards
Andreas Janssen

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Re: ide-scsi emulation not working

2004-03-17 Thread John L Fjellstad
Kent West [EMAIL PROTECTED] writes:

 In other words, because experience and documentation tell me to, and
 I've found no documentation other than what you and Kirk have said
 that indicate that I should be doing otherwise.

From the Linux configuration documentation about ide-scsi:
SCSI emulation support (BLK_DEV_IDESCSI)

WARNING: ide-scsi is no longer needed for cd writing applications!
The 2.6 kernel supports direct writing to ide-cd, which eliminates
the need for ide-scsi + the entire scsi stack just for writing a
cd. The new method is more efficient in every way.

This will provide SCSI host adapter emulation for IDE ATAPI devices,
and will allow you to use a SCSI device driver instead of a native
ATAPI driver.


From the linux kernel mailing list:
http://programming.linux.com/article.pl?sid=03/12/09/1341236

On 6 Nov 2003, bill davidsen wrote:

 There is a problem with ide-scsi in 2.6, and rather than fix it someone
 came up with a patch to cdrecord to allow that application to work
 properly, and perhaps better in some way.

Wrong.

The somebody strongly felt that ide-scsi was not just ugly but
_evil_, and that the syntax and usage of cdrecord was absolutely
stupid.

That somebody was me.

ide-scsi has always been broken. You should not use it, and indeed
there was never any good reason for it existing AT ALL. But because
of a broken interface to cdrecord, cdrecord historically only wanted
to touch SCSI devices. Ergo, a silly emulation layer that wasn't
really worth it.

The fact that nobody has bothered to fix ide-scsi seems to be a
result of nobody _wanting_ to really fix it.

So don't use it. Or if you do use it, send the fixes over.

Linus 

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Re: ide-scsi emulation not working

2004-03-17 Thread Kent West
John L Fjellstad wrote:

Kent West [EMAIL PROTECTED] writes:

 

In other words, because experience and documentation tell me to, and
I've found no documentation other than what you and Kirk have said
that indicate that I should be doing otherwise.
   


From the Linux configuration documentation about ide-scsi:
SCSI emulation support (BLK_DEV_IDESCSI)

WARNING: ide-scsi is no longer needed for cd writing applications!
The 2.6 kernel supports direct writing to ide-cd, which eliminates
the need for ide-scsi + the entire scsi stack just for writing a
cd. The new method is more efficient in every way.
This will provide SCSI host adapter emulation for IDE ATAPI devices,
and will allow you to use a SCSI device driver instead of a native
ATAPI driver.

From the linux kernel mailing list:
http://programming.linux.com/article.pl?sid=03/12/09/1341236

   On 6 Nov 2003, bill davidsen wrote:
   
There is a problem with ide-scsi in 2.6, and rather than fix it someone
came up with a patch to cdrecord to allow that application to work
properly, and perhaps better in some way.
   Wrong.

   The somebody strongly felt that ide-scsi was not just ugly but
   _evil_, and that the syntax and usage of cdrecord was absolutely
   stupid.
   That somebody was me.

   ide-scsi has always been broken. You should not use it, and indeed
   there was never any good reason for it existing AT ALL. But because
   of a broken interface to cdrecord, cdrecord historically only wanted
   to touch SCSI devices. Ergo, a silly emulation layer that wasn't
   really worth it.
   The fact that nobody has bothered to fix ide-scsi seems to be a
   result of nobody _wanting_ to really fix it.
   So don't use it. Or if you do use it, send the fixes over.

   Linus 

 

Ahh, that's the kind of documentation I was looking for (others 
mentioned things like dmesg, but I haven't had a chance to be on the box 
in question to look at that).

Thanks, everyone!

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Re: ide-scsi emulation not working

2004-03-17 Thread Pigeon
On Wed, Mar 17, 2004 at 12:12:09AM -0800, John L Fjellstad wrote:
 
 From the linux kernel mailing list:
 http://programming.linux.com/article.pl?sid=03/12/09/1341236
 
 On 6 Nov 2003, bill davidsen wrote:
 
  There is a problem with ide-scsi in 2.6, and rather than fix it someone
  came up with a patch to cdrecord to allow that application to work
  properly, and perhaps better in some way.
 
 Wrong.
 
 The somebody strongly felt that ide-scsi was not just ugly but
 _evil_, and that the syntax and usage of cdrecord was absolutely
 stupid.
 
 That somebody was me.
 
 ide-scsi has always been broken. You should not use it, and indeed
 there was never any good reason for it existing AT ALL. But because
 of a broken interface to cdrecord, cdrecord historically only wanted
 to touch SCSI devices. Ergo, a silly emulation layer that wasn't
 really worth it.
 
 The fact that nobody has bothered to fix ide-scsi seems to be a
 result of nobody _wanting_ to really fix it.
 
 So don't use it. Or if you do use it, send the fixes over.
 
 Linus 

FWIW windoze uses an ide-scsi emulation for writing CDs... :-)

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Re: ide-scsi emulation not working

2004-03-17 Thread Kenward Vaughan
On Wed, Mar 17, 2004 at 07:33:58PM +, Pigeon wrote:
 On Wed, Mar 17, 2004 at 12:12:09AM -0800, John L Fjellstad wrote:
  
  From the linux kernel mailing list:
  http://programming.linux.com/article.pl?sid=03/12/09/1341236
  
...
  The somebody strongly felt that ide-scsi was not just ugly but
  _evil_, and that the syntax and usage of cdrecord was absolutely
  stupid.
  
  That somebody was me.
  
  ide-scsi has always been broken. You should not use it, and indeed
  there was never any good reason for it existing AT ALL. But because
  of a broken interface to cdrecord, cdrecord historically only wanted
  to touch SCSI devices. Ergo, a silly emulation layer that wasn't
  really worth it.
  
  The fact that nobody has bothered to fix ide-scsi seems to be a
  result of nobody _wanting_ to really fix it.
  
  So don't use it. Or if you do use it, send the fixes over.
  
  Linus 
 
 FWIW windoze uses an ide-scsi emulation for writing CDs... :-)


Maybe that has some small influence on the above opinion?? ..  ;-)


Kenward
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Re: ide-scsi emulation not working

2004-03-17 Thread Enrique Samson Jr.
Andreas Janssen wrote:

Hello

Kent West ([EMAIL PROTECTED]) wrote:

 

I've gotten a new Dell with a cdburner; the burner works fine in WinXP
(yech!), but I can't seem to get it working in Debian.
I've found some hints here and there (the eroaster FAQ, google, etc),
but the info hasn't helped.
I'm running sid, with a stock 2.6.3-1-686 kernel.
   

Then why do you want to use ide-scsi emulation? The kernel and the
userspace programs like cdrecord and cdrdao should be new enough to use
the writer without the emulation. I use my writer with the ide-cd
driver and k3b. All I had to do was to change ownership for /dev/hdc
and /dev/hdd from root.disk to root.cdrom.
best regards
   Andreas Janssen
 

on the other hand, i had just tested sarge netinst. it has the default
kernel 2.4.25-1-386. ide-cd and ide-scsi modules are loaded by default
but cdrecord -scanbus can't detect my cdwriter. xcdroast also needs
scsi-emulation for it it said to run properly.


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Re: ide-scsi emulation not working

2004-03-17 Thread Kenward Vaughan
On Thu, Mar 18, 2004 at 10:38:23AM +0800, Enrique Samson Jr. wrote:
...
 on the other hand, i had just tested sarge netinst. it has the default
 kernel 2.4.25-1-386. ide-cd and ide-scsi modules are loaded by default
 but cdrecord -scanbus can't detect my cdwriter. xcdroast also needs
 scsi-emulation for it it said to run properly.

I haven't seen this whole thread, but have you told the kernel on
bootup to assign that to the ide-scsi module?  The ide-cd module will
grab it first if not told to ignore it...


Kenward
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Re: ide-scsi emulation not working

2004-03-17 Thread Enrique Samson Jr.
I haven't seen this whole thread, but have you told the kernel on
bootup to assign that to the ide-scsi module?  The ide-cd module will
grab it first if not told to ignore it...
on grub: kernel /vmlinuz ro root=/dev/hda5 hdd=ide-scsi

i think you meant this line. it didn't work.

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Re: ide-scsi emulation not working

2004-03-17 Thread H. S.
Apparently, _Enrique Samson Jr._, on 03/17/04 23:43,typed:
I haven't seen this whole thread, but have you told the kernel on
bootup to assign that to the ide-scsi module?  The ide-cd module will
grab it first if not told to ignore it...


on grub: kernel /vmlinuz ro root=/dev/hda5 hdd=ide-scsi

i think you meant this line. it didn't work.


There are other steps needed too:

1) Make a file (I called it cdrw) in /etc/modules that loads proper 
modules, in my case, I have:
$ more cdrw
#file created by HS,14Mar2004, to make CD-ROM seen as a SCSI device instead
#of as a ATAPI device.
#
# As suggested in CD Writing HOWTO
#
# This assumes IDE-CD is a module rather than copmiled into kernel.
#
options ide-cd ignore=hdd
alias scd0 sr_mode
pre-install sg  modprobe ide-scsi
pre-install sr_mod  modprobe ide-scsi
pre-install ide-scsimodprobe ide-cd



2)run update-modules to make this take effect



3) Make the /etc/modules file look like this:
$ cat /etc/modules
# /etc/modules: kernel modules to load at boot time.
#
# This file should contain the names of kernel modules that are
# to be loaded at boot time, one per line.  Comments begin with
# a #, and everything on the line after them are ignored.
sr_mod
sg
ide-cd
ide-detect
$


4) Have this line in your grub.conf with ide-scsi=hdd option:
kernel   /vmlinuz-2.4.24-1-686 root=/dev/hdb5 hdd=ide-scsi ro single
where my CD-RW is /dev/hdd, change accordingly.



Then of course you should have a mount point, e.g. /cdrw, and a device 
/dev/cdrw linked to /dev/scd0, and a line in fstab corresponding to this 
mount point:
/dev/cdrw   /cdrw   autoro,user,noauto  0 0

Also note that /dev/sg* shoudl all be owned root:cdrom and that you 
should be a member of the cdrom group.

Reboot machine and give the command cdrecord -scanbus and you should 
see your SCSI emulated CD-RW.

HTH,
-HS
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Re: ide-scsi emulation not working

2004-03-17 Thread Kenward Vaughan
On Thu, Mar 18, 2004 at 12:43:06PM +0800, Enrique Samson Jr. wrote:
 I haven't seen this whole thread, but have you told the kernel on
 bootup to assign that to the ide-scsi module?  The ide-cd module will
 grab it first if not told to ignore it...
 
 on grub: kernel /vmlinuz ro root=/dev/hda5 hdd=ide-scsi
 
 i think you meant this line. it didn't work.

So there are no messages on bootup indicating that the drive is
detected at all? 

Kenward
-- 
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_teachers_ and the rest of us would have to settle for something less, 
because passing civilization along from one generation to the next 
ought to be the highest honor and the highest responsibility anyone 
could have. - Lee Iacocca


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Re: ide-scsi emulation not working

2004-03-17 Thread s. keeling
Incoming from Enrique Samson Jr.:
 I haven't seen this whole thread, but have you told the kernel on
 bootup to assign that to the ide-scsi module?  The ide-cd module will
 grab it first if not told to ignore it...
 
 on grub: kernel /vmlinuz ro root=/dev/hda5 hdd=ide-scsi
.

hdd=scsi


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Re: ide-scsi emulation not working

2004-03-17 Thread Enrique Samson Jr.
1) Make a file (I called it cdrw) in /etc/modules that loads proper 
it's /etc/modutils

# This assumes IDE-CD is a module rather than copmiled into kernel.
#
options ide-cd ignore=hdd
alias scd0 sr_mode
pre-install sg  modprobe ide-scsi
pre-install sr_mod  modprobe ide-scsi
pre-install ide-scsimodprobe ide-cd
becasue ide-cd grabs the drive before ide-scsi could

2)run update-modules to make this take effect
3) Make the /etc/modules file look like this:
$ cat /etc/modules
# /etc/modules: kernel modules to load at boot time.
#
# This file should contain the names of kernel modules that are
# to be loaded at boot time, one per line.  Comments begin with
# a #, and everything on the line after them are ignored.
sr_mod
sg
ide-cd
ide-detect
$
4) Have this line in your grub.conf with ide-scsi=hdd option:
kernel   /vmlinuz-2.4.24-1-686 root=/dev/hdb5 hdd=ide-scsi ro single
Reboot machine and give the command cdrecord -scanbus and you should 
see your SCSI emulated CD-RW.
you hit it right:) Thanks.

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ide-scsi emulation not working

2004-03-16 Thread Kent West
 or that you're allowed to read 
/dev/sg* !

[EMAIL PROTECTED]:/home/westk: ls -l /dev/sg*
crw---1 root root  21,   0 2003-12-31 18:31 /dev/sg0
crw---1 root root  21,   1 2003-12-31 18:31 /dev/sg1
Tue Mar 16 15:55:14
-
[EMAIL PROTECTED]:/home/westk: ls -l /dev/cd*
lrwxrwxrwx1 root root   11 2004-03-16 09:44 /dev/cdrom 
- /dev/cdrom0
lrwxrwxrwx1 root root8 2004-03-16 09:44 /dev/cdrom0 
- /dev/hdc
brw-rw1 root cdrom 24,   0 2003-12-31 18:32 /dev/cdu535

Tue Mar 16 15:55:18
-
[EMAIL PROTECTED]:/home/westk: ls -l /dev/hdc
brw-rw1 root disk  22,   0 2003-12-31 18:31 /dev/hdc
When I run sudo xcdroaster, it scans the bus and finds the ATAPI CD 
Writer, and then later warns me that this is not the recommended way to 
go and I need to get ide-scsi emulation working.

Thanks for any hints!

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Re: ide-scsi emulation not working

2004-03-16 Thread Kevin Bailey
I too recently got my CRX216E working, although with 2.4.
Forgive me if it's different.

I have this in lilo.conf, note the ide-

append=hdc=ide-scsi

By the looks of your lsmod, ide-cd grabbed the CD-ROM
so hopefully this is your problem.

I had the ignore in /etc/modules.conf but took it out.
It didn't seem to be necessary.

Here's my dmesg:

hdc: SONY CD-RW CRX216E, ATAPI CD/DVD-ROM drive
...
hdc: attached ide-scsi driver.
scsi2 : SCSI host adapter emulation for IDE ATAPI devices
  Vendor: SONY  Model: CD-RW  CRX216ERev: PD01
  Type:   CD-ROM ANSI SCSI revision: 02

krb

On Tue, Mar 16, 2004 at 03:56:50PM -0600, Kent West wrote:
 I've gotten a new Dell with a cdburner; the burner works fine in WinXP 
 (yech!), but I can't seem to get it working in Debian.
 
 I've found some hints here and there (the eroaster FAQ, google, etc), 
 but the info hasn't helped.
 
 I'm running sid, with a stock 2.6.3-1-686 kernel.


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Re: ide-scsi emulation not working

2004-03-16 Thread Kirk Strauser
At 2004-03-16T21:56:50Z, Kent West [EMAIL PROTECTED] writes:

 I've gotten a new Dell with a cdburner; the burner works fine in WinXP
 (yech!), but I can't seem to get it working in Debian.

 When I run sudo xcdroaster, it scans the bus and finds the ATAPI CD
 Writer, and then later warns me that this is not the recommended way
 to go and I need to get ide-scsi emulation working.

ide-scsi is deprecated.  The xcdroast warning will probably go away soon.
I've been burning CD-Rs using native ATAPI mode with much success,
particularly since I can use hdparm to tune the drive (set DMA, etc.)
whereas I couldn't when I was using ide-scsi.
-- 
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Re: ide-scsi emulation not working

2004-03-16 Thread Andreas Janssen
Hello

Kent West ([EMAIL PROTECTED]) wrote:

 I've gotten a new Dell with a cdburner; the burner works fine in WinXP
 (yech!), but I can't seem to get it working in Debian.
 
 I've found some hints here and there (the eroaster FAQ, google, etc),
 but the info hasn't helped.
 
 I'm running sid, with a stock 2.6.3-1-686 kernel.

Then why do you want to use ide-scsi emulation? The kernel and the
userspace programs like cdrecord and cdrdao should be new enough to use
the writer without the emulation. I use my writer with the ide-cd
driver and k3b. All I had to do was to change ownership for /dev/hdc
and /dev/hdd from root.disk to root.cdrom.

best regards
Andreas Janssen

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Andreas Janssen [EMAIL PROTECTED]
PGP-Key-ID: 0xDC801674
Registered Linux User #267976
http://www.andreas-janssen.de/debian-tipps.html


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Re: ide-scsi emulation not working

2004-03-16 Thread Kent West
Andreas Janssen wrote:

Hello

Kent West ([EMAIL PROTECTED]) wrote:

 

I've gotten a new Dell with a cdburner; the burner works fine in WinXP
(yech!), but I can't seem to get it working in Debian.
I've found some hints here and there (the eroaster FAQ, google, etc),
but the info hasn't helped.
I'm running sid, with a stock 2.6.3-1-686 kernel.
   

Then why do you want to use ide-scsi emulation? The kernel and the
userspace programs like cdrecord and cdrdao should be new enough to use
the writer without the emulation. I use my writer with the ide-cd
driver and k3b. All I had to do was to change ownership for /dev/hdc
and /dev/hdd from root.disk to root.cdrom.
 

Because eroaster won't detect the drive, and xcdroast says that using 
ATAPI rather than scsi emulation might result in problems, particularly 
dealing with speed.

In other words, because experience and documentation tell me to, and 
I've found no documentation other than what you and Kirk have said that 
indicate that I should be doing otherwise.

As I mentioned, the eroaster FAQ and google did not tell me this info; 
have you got any pointers to documentation that ide-scsi is really 
deprecated?

Thanks!

--
Kent
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