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    SubjectRe: 2.6.25-mm1: not looking good

    Another runtime warning on the t61p:


    Brought up 2 CPUs
    Total of 2 processors activated (9583.80 BogoMIPS).
    CPU0 attaching sched-domain:
    domain 0: span 00000000,00000003
    groups: 00000000,00000001 00000000,00000002
    domain 1: span 00000000,00000003
    groups: 00000000,00000003
    CPU1 attaching sched-domain:
    domain 0: span 00000000,00000003
    groups: 00000000,00000002 00000000,00000001
    domain 1: span 00000000,00000003
    groups: 00000000,00000003
    ------------[ cut here ]------------
    WARNING: at kernel/lockdep.c:2677 check_flags+0x84/0x11f()
    Modules linked in:
    Pid: 0, comm: swapper Not tainted 2.6.25-mm1 #15

    Call Trace:
    [<ffffffff8105f7ec>] ? print_modules+0x88/0x8f
    [<ffffffff81037b55>] warn_on_slowpath+0x58/0x7f
    [<ffffffff81056143>] ? trace_hardirqs_off+0xd/0xf
    [<ffffffff810560b7>] ? trace_hardirqs_off_caller+0x1d/0x9c
    [<ffffffff81056143>] ? trace_hardirqs_off+0xd/0xf
    [<ffffffff810560b7>] ? trace_hardirqs_off_caller+0x1d/0x9c
    [<ffffffff81056143>] ? trace_hardirqs_off+0xd/0xf
    [<ffffffff81058576>] ? __lock_acquire+0x809/0x893
    [<ffffffff810560b7>] ? trace_hardirqs_off_caller+0x1d/0x9c
    [<ffffffff81056143>] ? trace_hardirqs_off+0xd/0xf
    [<ffffffff812b94d1>] ? __atomic_notifier_call_chain+0x0/0x81
    [<ffffffff8105627e>] check_flags+0x84/0x11f
    [<ffffffff81058914>] lock_acquire+0x54/0xb4
    [<ffffffff812b9515>] __atomic_notifier_call_chain+0x44/0x81
    [<ffffffff8100a2c2>] ? mwait_idle+0x0/0x49
    [<ffffffff812b9561>] atomic_notifier_call_chain+0xf/0x11
    [<ffffffff8100a228>] __exit_idle+0x27/0x29
    [<ffffffff8100b33c>] cpu_idle+0xdf/0xf7
    [<ffffffff812b10da>] start_secondary+0xb2/0xb4

    ---[ end trace 93d72a36b9146f22 ]---
    possible reason: unannotated irqs-on.
    irq event stamp: 34
    hardirqs last enabled at (33): [<ffffffff812b63f0>] trace_hardirqs_on_thunk+0x3a/0x3f
    hardirqs last disabled at (34): [<ffffffff81056143>] trace_hardirqs_off+0xd/0xf
    softirqs last enabled at (32): [<ffffffff8103cfe8>] __do_softirq+0xc5/0xce
    softirqs last disabled at (25): [<ffffffff8100d32c>] call_softirq+0x1c/0x28
    calling init_cpufreq_transition_notifier_list+0x0/0x1b()
    initcall init_cpufreq_transition_notifier_list+0x0/0x1b() returned 0 after 0 msecs
    calling net_ns_init+0x0/0x12a()
    net_namespace: 1352 bytes
    initcall net_ns_init+0x0/0x12a() returned 0 after 0 msecs
    calling cpufreq_tsc+0x0/0x16()

    dmesg: http://userweb.kernel.org/~akpm/x.txt
    config: http://userweb.kernel.org/~akpm/config-t61p.txt

    but it lumbered to a login prompt, which is more than good enough for this
    pile of dung.

    The number of runtime warnings, compile errors and runtime failures which
    have been added since 2.6.25-rc8-mm2 is astonishing.



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