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Fixed - SCSI emulation troubles for CD-burner
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Belthezar
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Joined: 03 Jun 2002
Posts: 28
Location: Ohio, USA

PostPosted: Fri Nov 08, 2002 12:39 am    Post subject: Fixed - SCSI emulation troubles for CD-burner Reply with quote

Edit2: On one of my many reboots I finaly noticed my BIOS wasn't even detecting my burner! I think the drive is finally dying or something, but after unplugging all it's cables and replugging them in everything finally worked!! :)

Ok I am going insane here. I have been trying for weeks to get my CD burners working in my work PC and home PC. I FINALLY have a working burner on my work machine after following the "Truth about scsi emulation' thread, however I just can't get my home machine to get scsi emulation going.

Every time I run cdrecord -scanbus I get the following:

Code:
Cdrecord 1.11a34 (i686-pc-linux-gnu) Copyright (C) 1995-2002 Jörg Schilling
cdrecord: No such file or directory. Cannot open '/dev/pg*'. Cannot open SCSI driver.
cdrecord: For possible targets try 'cdrecord -scanbus'. Make sure you are root.


I have added this to my lilo boot config

Code:
append = "hdc=ide-scsi"


IDE CDROM support is only installed as a module, all the relevant SCSI stuff is installed as a module also.

Edit: here is what I have enabled in my kernel exactly. Again all that can be are installed as modules
Code:
SCSI Support
SCSI disk support
SCSI CD-ROM support
Enable Vendor specific extensions
SCSI generic support
Enable extra checks in new queuing code
Probe all LUNs
Verbose SCSI error reporting

Include IDE/ATAPI CDROM support
SCSI emulation support


Just in case, this is in my modules.conf (via a cdr script in modules.d)

Code:
options ide-cd ignore='hdc'


And finally my running modules are as such (though I have tried modprobe -r 'ing all of the CD related stuff out and then just doing modprobe sg, and many other combinations)

Code:
Module                  Size  Used by    Tainted: PF
ide-cd                 30564   0  (autoclean)
cdrom                  29568   0  (autoclean) [ide-cd]
vmnet                  19712   2
vmmon                  19028   0  (unused)
sg                     28460   0  (unused)
scsi_mod               86372   1  [sg]
emu10k1                66280   2
ac97_codec             10504   0  [emu10k1]
joydev                  5952   0  (unused)
adi                     6360   0  (unused)
input                   3648   0  [joydev adi]
emu10k1-gp              1480   0  (unused)
gameport                1708   0  [adi emu10k1-gp]
NVdriver             1066272  10
tulip                  42304   1
usbcore                40256   0  (unused)


My hardware is as follows:

Athalon XP 1800 (1.5 GHz)

512 MB 133 MHz SDRAM
nVidia Geforce 4 Ti 4200 64 MB
Shuttle AK32L motherboard
SB Audigy Gamer

Software:
Gentoo 1.4 rc1
Vanilla sources 2.4.19 kernel

If anyone has any thoughts at all please share them, this is driving me insane! :evil:


Last edited by Belthezar on Fri Nov 08, 2002 2:53 am; edited 2 times in total
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thegarbageman
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Joined: 28 Apr 2002
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PostPosted: Fri Nov 08, 2002 1:45 am    Post subject: Reply with quote

I think you need to enable 'SCSI generic support' under 'SCSI Support'
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Belthezar
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Location: Ohio, USA

PostPosted: Fri Nov 08, 2002 2:22 am    Post subject: Reply with quote

I edited my original message to indicate exactly what has been compiled into the kernel since it wasn't totally obvious at first :)
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