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    SubjectRe: PATCH: cdrecord: avoiding scsi device numbering for ide devices
    Con Kolivas wrote:
    > Albert Cahalan writes:
    >
    >
    >> Joerg:
    >> "WARNING: Cannot do mlockall(2).\n"
    >> "WARNING: This causes a high risk for buffer underruns.\n"
    >> Fixed:
    >> "Warning: You don't have permission to lock memory.\n"
    >> " If the computer is not idle, the CD may be ruined.\n"
    >>
    >> Joerg:
    >> "WARNING: Cannot set priority class parameters
    >> priocntl(PC_SETPARMS)\n"
    >> "WARNING: This causes a high risk for buffer underruns.\n"
    >> Fixed:
    >> "Warning: You don't have permission to hog the CPU.\n"
    >> " If the computer is not idle, the CD may be ruined.\n"
    >
    >
    > Huh? That can't be right. Every cd burner this side of the 21st century
    > has buffer underrun protection. I've burnt cds _while_ capturing and
    > encoding video using truckloads of cpu and I/O without superuser
    > privileges, had all the cdrecord warnings and didn't have a buffer
    > underrun. Last time I gave superuser privilege to cdrecord it locked my
    > machine - clearly it wasn't rt_task safe.

    This may be a side effect of your scheduler, then. Cdrecord is run as or
    by root on a lot of systems and I've never had any indication that ever
    does anything which hurts response, other than to lock down a small
    memory section for fifo.

    --
    -bill davidsen (davidsen@tmr.com)
    "The secret to procrastination is to put things off until the
    last possible moment - but no longer" -me
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