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    SubjectRe: sata_mv port lockup on hotplug (kernel 2.6.38.2)
    On 11-05-25 09:36 AM, Bruce Stenning wrote:
    >> This is a different issue. libata EH plugs the port if reset fails
    >> repeatedly. This behavior was implemented to avoid causing continuous
    >> resets on a port in case it has flaky PHY state reporting; however, it
    >> seems to cause more trouble than fixing issues - ie. plugging in a
    >> broken device may end up plugging the port even after the offending
    >> device is removed until manual rescan or reboot. I've been pondering
    >> about changing the behavior like the following.
    >
    > Thanks for the explanation, Tejun, and for sending those changes upstream.
    > I shall incorporate these patches into my kernel and keep you informed as
    > to how they behave.
    >
    > Mark, did you get a chance to clean up the sata_mv spinlock addition in
    > mv_set_main_irq_mask?

    Not yet. I've been waiting to hear back from you as to
    whether they visibly fix anything or not.


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