[wplug] CDRW problems

[Russ Schneider]

Vanco, Donald wrote:

>>The f*cked up part is, that if I boot into Windows, use Adaptec's CD
>>writing software, it'll work just fine, and then when I boot back into
>>Linux, it'll work again.
> 
> 	Does this happen regardless of whether or not there's any kind of
> media in the drive?  

Yes.


> Likewise - does the "LM doesn't see the device" ever
> change dependent on any kind of disk being in the drive at boot?

LM?
Anyways, it doesn't seem to be dependent on anything at boot.


>>Now, there's got to be something that Adaptec's software or MS Windows
>>is doing with my CDRW that I just don't know about but could do in
>>Linux. 
> 
> 	Really doubtful...

Then why is it always ok when I boot into Linux _after_ I run it in 
Windows?  Whatever transpires, it seems to fix it.  I just wish I knew 
what it was so I could do it.



> 	Have you upgraded kernels lately (i.e. do you have multiple kernels
> you can test this against?

No.  But I did install FreeSWAN which I believe runs as a module.

> 	What's the behavior based on booting / not booting with both blank
> media and/or some generic audio or data CD present?

Same.

> 	What's in modules.conf (e.g. is ide-scsi, etc ALWAYS loaded)?

Hmm. ide-scsi was not running.  I did insmod ide-scsi, it installed, but 
still nada.

Here's what's up:

Module                  Size  Used by    Not tainted
sg                     34636   0  (unused)
ide-scsi               11280   0
isofs                  27988   0  (autoclean)
zlib_inflate           21156   0  (autoclean) [isofs]
sr_mod                 16920   0  (autoclean) (unused)
udf                    90464   0  (autoclean)
ide-cd                 33856   0  (autoclean)
cdrom                  31648   0  (autoclean) [sr_mod ide-cd]
lp                      8096   0
parport_pc             25096   1
parport                34176   1  [lp parport_pc]
emu10k1                62792   0
ac97_codec             12488   0  [emu10k1]
sound                  70644   0  [emu10k1]
soundcore               6276   0  [emu10k1 sound]
nfsd                   74256   0  (autoclean)
ppp_synctty             7488   0  (unused)
ppp_async               9216   1
ppp_generic            24060   3  [ppp_synctty ppp_async]
slhc                    6564   0  [ppp_generic]
af_packet              14952   2  (autoclean)
floppy                 55132   0
3c59x                  29584   1  (autoclean)
nls_iso8859-1           3516   1  (autoclean)
nls_cp850               4316   1  (autoclean)
vfat                   11820   1  (autoclean)
fat                    37944   0  (autoclean) [vfat]
supermount             15296   3  (autoclean)
usb-storage            72952   0  (unused)
usb-uhci               24652   0  (unused)
usbcore                72992   1  [usb-storage usb-uhci]
rtc                     8060   0  (autoclean)
ext3                   59916   2
jbd                    38972   2  [ext3]
sd_mod                 11548   0  (unused)
aic7xxx               120860   0  (unused)
scsi_mod               91796   5  [sg ide-scsi sr_mod usb-storage sd_mod 
aic7xxx]



> 	So - this box has 3 permanent" IDE drives _and_ a SCSI controller?

Yes.

> 	Is there any chance it's just a matter of the SCSI device ID
> changing when you insert the CD-RW?  Do you also have a USB floppy?  Or any
> other kind of USB (and seen as SCSI) mass storage device you occasionally
> attach - like a flash key or something?

I have a camera that is USB that's seen as SCSI.


> 
>>hdc: ATAPI 48X CD-ROM drive, 128kB Cache
>>Uniform CD-ROM driver Revision: 3.12
> 
> 	This is a "permanent" device on the IDE chain - right?

Yes.



-- 
Russ Schneider (a.k.a. Sugapablo)
http://www.sugapablo.com

Latest Release:
http://candidate.zhrodague.net/Sugapablo-Live-08-03-2003.zip