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    SubjectRe: Fwd: Fwd: laptop / computer hardlocks during execution of 32bit applications(binaries) on 64bit system (Gentoo)
    > > My kernel is _not_ tainted. [...]
    >

    this time my kernel isn't tainted either (comm: thunderbird-bin Not
    tainted; http://kerneloftruth.neucode.org/other/crash_ia32_64/not_tainted/moto_0041.jpg)
    but still hardlocks:
    http://kerneloftruth.neucode.org/other/crash_ia32_64/not_tainted/


    > ok, good. A series of questions:
    >
    > - can you reproduce it from the VGA console?
    >

    yes

    > - if yes, does booting with "nmi_watchdog=2 idle=poll" give you a
    > working NMI watchdog? (working NMI watchdog means the NMI counts
    > increase for all cores in /proc/interrupts).
    >

    no, I get err=-16
    (watchdog is broken: cat /proc/interrupts | grep NMI reveals nothing)

    > if still 'yes', then try to reproduce the hard hang on the VGA text
    > console

    yes, despite broken watchdog

    steps:
    1) startx
    2) change to tty2, log in; DISPLAY:=0 thunderbird-bin
    3) wait until it hardlocks

    known apps to trigger that locking:
    - realplayer
    - thunderbird-bin (2.0.0.9)
    - mozilla-firefox-bin (2.0.0.11)
    (all included in portage-tree)

    apps not triggering:
    - skype (not tested that thoroughly (yet))
    - ...

    > - do you perhaps get an NMI backtrace printed within 1-2 minutes
    > after the hard hang happens? If yes then take a photo of that or write
    > it down.
    >

    only backtrace so far (once):
    http://kerneloftruth.neucode.org/other/crash_ia32_64/moto_0040.jpg

    I'll tar the whole kernel-directory & modules so that you'll be able
    to reproduce it more easily (if wanted), is there a place where I
    could upload it (it weighs around 300-400 MBs so that'll take some
    time ;) )
    I got work to do so that'll be all for now, I hope you'll be able to
    find the culprit soon ...

    > Ingo
    >

    Mat


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