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Thread: Optical Drives in GNU/Linux

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    Ah, Mrs. Peel! mike_w's Avatar
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    Optical Drives in GNU/Linux

    A couple of questions, both related to optical drives in GNU/Linux, oddly enough.

    Firstly, for some reason, I quite often get errors when installing distributions from CD about corrupt files, yet the media checks are absolutely fine. Any reason for this? The disc will fail consistently, but not necessarily at the same point. On some distributions, typing linux ide=nodma helps, other distributions it doesn't. Is it a case of having drives that don't play nice with GNU/Linux?

    Secondly, a particular drive I have doesn't seem to like GNU/Linux very much. Whereas my ancient, seemingly brandless CD drive works smoothly, my DVD rewriter Sony DRU-820A takes ages to read discs - just browsing its root takes a while. Running dmesg provides this:

    Code:
    hdc: media error (bad sector): status=0x51 { DriveReady SeekComplete Error }
    hdc: media error (bad sector): error=0x30 { LastFailedSense=0x03 }
    ide: failed opcode was: unknown
    end_request: I/O error, dev hdc, sector 3976
    Buffer I/O error on device hdc, logical block 994
    hdc: media error (bad sector): status=0x51 { DriveReady SeekComplete Error }
    hdc: media error (bad sector): error=0x30 { LastFailedSense=0x03 }
    ide: failed opcode was: unknown
    end_request: I/O error, dev hdc, sector 3980
    And so on, again and again. Once again, I have to ask the question: is it a case of having a drive that don't play nice with GNU/Linux? It seems to work in Windows 2000.

    One final thing - how do you stop the spinning of the disc! Once I put it in, and it is mounted, it just won't stop spinning. If it never gets mounted, it never spins.

    Any advice is appreciated.

    Mike.
    "Well, there was your Uncle Tiberius who died wrapped in cabbage leaves but we assumed that was a freak accident."

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    Comfortably Numb directhex's Avatar
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    check your IDE cable and try another drive. "hdc: media error (bad sector): status=0x51 { DriveReady SeekComplete Error }" implies a read error

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    Ah, Mrs. Peel! mike_w's Avatar
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    I'll try that when I get the chance. I probably should have mentioned: when I was talking about errors when installing distributions, that was on more than one PC, whereas the other two problems are only with that drive.

    Thanks.
    "Well, there was your Uncle Tiberius who died wrapped in cabbage leaves but we assumed that was a freak accident."

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