[lug] Spurious 8259A interrupt: IRQ7, then hang

[Andrew Gilmore]

D. Stimits wrote:
> ...
> 
>>
>>
>> Well, partial success.
>>
>> I tried a 8139too card in the machine, and it worked without this hang.
>> I attempted to upgrade the kernel to the newest rh kernel, but the CDROM
>> will not read the CD-RW I burnt with the data on it. :( I installed from
>> CD, so I know the drive works. The CD-RW works in another machine. WIERD.
>> ...
> 
> 
> FYI, there are a number of drives that can read CD-R but not CD-RW. I 
> have an older scsi drive like that...actually, it seems to not be able 
> to boot off of bootable CD's unless they are the aluminized or CD-R 
> type...it can read CD-RW, it just can't boot off of it. Mounting it on 
> that machine often requires multiple mount attempts, giving errors, 
> until it finds it finally feels like cooperating. I think it has 
> something to do with the wavelength of the laser diodes and the colors 
> of the medium.

Strange... This does not appear to be that old of a drive. 24x read, at 
least.

Thanks for the info.

Andrew