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    SubjectRe: [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.25-1
    From
    meself writes:
    >
    > Ingo Molnar wrote:
    >>
    >>> 1) Almost everytime the P4/SMP box locks up while unloading the ALSA
    >>> modules e.g.on shutdown. This has been an issue for quite some time on
    >>> the latest RT patches, not exclusive to RT-V0.7.26-3. Probably it
    >>> started since the merge into -mm3, but not sure.
    >>
    >> hm, the syslog you sent suggests that it's the
    >> 2.6.10-rc1-mm3-RT-V0.7.24 kernel that crashed:
    >>
    >> Nov 11 12:39:46 lambda kernel: EFLAGS: 00010083
    >> (2.6.10-rc1-mm3-RT-V0.7.24)
    >>
    >> not -V0.7.26-3. The particular rmmod crash you got:
    >>
    >
    > Yes, but as I said so, I couldn't get any relevent trace on the P4/SMP
    > box, where the issue means real trouble -- the system just locks up
    > while serial console's annoyingly quiet about it.
    >
    > I will try RT-0.7.26-4 later on.
    >

    Already testing with RT-0.7.26-5 now. No good. Same lockup behavior on
    alsa shutdown, altought not always, but very frequently. Nothing comes out
    via serial console. Not even SysRq is of any help, pretty hard these
    lockups are.

    Oh, about the nmi_watchdog=1 trick: forget what I've told you before; I
    already saw a couple of freezes while its on.

    (config.gz file attached).

    /me out of ideas.

    Byw now.
    --
    rncbc aka Rui Nuno Capela
    rncbc@rncbc.org[unhandled content-type:application/x-gzip]
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