[ale] SCSI Emulation (CD-R)

[Geoffrey]

You've got me baffled, but that's not hard to do.  Any interesting info 
in /var/log/messages??  Forward me a copy (private email) and I'd be 
glad to check it out.

David Corbin wrote:
> Geoffrey wrote:
> 
>> Hmmm.  I don't know.  I know that I get the say error you were when 
>> that module isn't loaded.  So you don't enable modules for your 
>> kernels? Just out of curiosity, check to see if there is an 'sg' 
>> module in your lib/modules tree? (find /lib/modules -name 'sg.0*' -print)
>>
> I enable modules, but I generally select to have drivers and options 
> built-in to the kernel instead of  as modules.
> I did check for an sg.o module, but there aren't any.
> 
>> Is it possible you had a cdrom mounted in the drive at the time, maybe 
>> as an ide device?  I'm really fishing here..
>>  
>>
> mount doesn't reveal any.
> 
>> David Corbin wrote:
>>  
>>
>>> I don't tend to use modules, but build the kernel the way I need it.  
>>> I think this is the CONFIG_CHR_DEV_SG flag, which I do have.  Here 
>>> are the rest of the "SCSI support" flags from my .config
>>>
>>> CONFIG_SCSI=y
>>> CONFIG_BLK_DEV_SD=y
>>> CONFIG_SD_EXTRA_DEVS=40
>>> # CONFIG_CHR_DEV_ST is not set
>>> # CONFIG_CHR_DEV_OSST is not set
>>> CONFIG_BLK_DEV_SR=y
>>> # CONFIG_BLK_DEV_SR_VENDOR is not set
>>> CONFIG_SR_EXTRA_DEVS=2
>>> CONFIG_CHR_DEV_SG=y
>>> CONFIG_SCSI_DEBUG_QUEUES=y
>>> CONFIG_SCSI_MULTI_LUN=y
>>> CONFIG_SCSI_CONSTANTS=y
>>> # CONFIG_SCSI_LOGGING is not set
>>>
>>> Geoffrey wrote:
>>>
>>>   
>>>
>>>> I think this error is indicative of a missing scsi module, do you 
>>>> have the sg module loaded?
>>>>
>>>> Try 'insmod sg'  then cdrecord -scanbus
>>>>
>>>> David Corbin wrote:
>>>>
>>>>
>>>>     
>>>>
>>>>> My system used to recognize my CD-RW drive (an HP IDE drive).  Now 
>>>>> it doesn't.  I don't think this is CD-R failure, because scanbus 
>>>>> should just say 'no devices' (effectively), shouldn't it?
>>>>>
>>>>>
>>>>> dmesg shows:
>>>>> SCSI subsystem driver Revision: 1.00
>>>>> scsi0 : SCSI host adapter emulation for IDE ATAPI devices
>>>>>
>>>>> [root at mercury /usr/src/linux]# cdrecord  -scanbus        Cdrecord 
>>>>> 1.8 (i686-pc-linux-gnu) Copyright (C) 1995-2000 Jörg Schilling
>>>>> cdrecord: No such file or directory. Cannot open SCSI driver.
>>>>> cdrecord: For possible targets try 'cdrecord -scanbus'. Make sure 
>>>>> you are root.
>>>>>
>>>>> I don't understand cdrecords error message well enough to know what 
>>>>> file or directory it cannot open.  Anyideas?
>>>>>
>>>>>
>>>>> ---
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>>>>>
>>>>>
>>>>>  
>>>>>       
>>>>
>>>>
>>>>
>>>>
>>>>     
>>>
>>>
>>>
>>>   
>>
>>
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>>  
>>
> 
> 
> 
> 
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> 


-- 
Until later: Geoffrey		esoteric at 3times25.net

I didn't have to buy my radio from a specific company to listen
to FM, why doesn't that apply to the Internet (anymore...)?


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