Odd DVD drive issue


Edward Berger found that using a LG/Hitachi DVD drive kept him from successfully booting a DragonFly install CD.  Using other manufacturers worked out fine.  What causes the problem?  I don’t know, but it’s worth mentioning it out loud in case someone else gets bit by it.

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  1. Is it a SATA driver? There is a bug in the AHCI driver that stops my Lenovo X301ultra slim DVD drive from working unless I put it into ‘Legacy’ mode in the BIOS.

    This has been a long standing issue I could never get to the bottom of, works in Linux, Solaris, etc.. It seems to be some command that is not getting sent that is needed at init of the drive its self? If this is the same case with this drive perhaps we could narrow it down at last!?

    Cheers,
    Edward.

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