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    SubjectRe: Threaded interrupt handlers broken?
    On Mon, 17 Aug 2009, Michael Buesch wrote:
    > Ok, I added some more debugging code:
    > http://bu3sch.de/patches/wireless-testing/20090817-1219/patches/001-hack-threaded-irqs.patch
    >
    > Here's the result:
    > http://bu3sch.de/misc/dmesg2
    >
    > Is it possible that the irq_to_desc() in irq_thread() fails and the
    > resulting desc pointer points to something random? That could
    > probably explain why the bit is set and why the spinlock is
    > uninitialized. But it would not explain why desc->lock would still
    > work... Maybe irq_to_desc() returns a descriptor to another irq (!=
    > 52)?

    That would cause the whole irq code to fail. Can you send/upload your
    .config please ?

    Thanks,

    tglx


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