Comment 3 for bug 74372

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Cristiano Canguçu (cristiano-figueira) wrote : Re: system freezes when inserting a CD rom (IDE) with i686 kernel

the command "sudo hdparm /dev/hdc" returns:

HDIO_GETGEO failed: Inappropriate ioctl for device

I couldn't find anything useful about this error code, since it seems it's related to using DMA on serial ata drives, and my cd-rom is IDE.