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    SubjectRe: css hang; somewhere between test12 and test13pre4ac2
    On Mon, 25 Dec 2000, Jens Axboe wrote:

    > The most likely suspect (as someone else pointed out) is not at
    > all css (I'm not even sure what you mean by css hang?) but UDF.

    I mean a complete system hang when playing a CSS disc - doesn't even ping.
    Doesn't recover.

    > Given the fs changes. Since sysrq still works, it would help a
    > lot if you could capture sysrq-p repeatedly and send it in.

    I think at this point the only thing that works is sysrq-b - at least the
    sysrq-u's and sysrq-s's that I've given don't seem to have cleanly
    unmounted the file system.

    > Do you have any non-css discs to beat on UDF?


    Yep one disc (Scanners) - it is fine - hence my reason for beleiving it is
    a CSSism (although I guess CSS makes other demands on the UDF code).

    Dave

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