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    SubjectRe: Linux 3.1-rc4
    On Sun, Aug 28, 2011 at 09:52:43PM -0700, Linus Torvalds wrote:
    > We're back on track on weekly -rc releases.

    Peter,

    I get the following lockdep splat on -rc4, it looks like load balancing
    something.

    [ 5183.478132] ------------[ cut here ]------------
    [ 5183.478155] WARNING: at kernel/lockdep.c:690 __lock_acquire+0x189/0x916()
    [ 5183.478164] Hardware name: System Product Name
    [ 5183.478171] Modules linked in: tun cpufreq_powersave cpufreq_userspace cpufreq_conservative powernow_k8 mperf cpufreq_stats binfmt_misc fuse ipv6 kvm_amd kvm vfat fat radeon ttm drm_kms_helper cfbcopyarea cfbimgblt cfbfillrect 8250_pnp edac_core 8250 serial_core k10temp
    [ 5183.478256] Pid: 0, comm: kworker/0:1 Not tainted 3.1.0-rc4 #37
    [ 5183.478263] Call Trace:
    [ 5183.478270] <IRQ> [<ffffffff813d1dee>] ? _raw_spin_unlock_irqrestore+0x38/0x69
    [ 5183.478297] [<ffffffff81038dc2>] warn_slowpath_common+0x85/0x9d
    [ 5183.478310] [<ffffffff81038df4>] warn_slowpath_null+0x1a/0x1c
    [ 5183.478321] [<ffffffff8106e535>] __lock_acquire+0x189/0x916
    [ 5183.478332] [<ffffffff8106ec5e>] ? __lock_acquire+0x8b2/0x916
    [ 5183.478344] [<ffffffff8102ca4a>] ? double_rq_lock+0x4f/0x54
    [ 5183.478355] [<ffffffff8106f32d>] lock_acquire+0x14e/0x193
    [ 5183.478364] [<ffffffff8102ca4a>] ? double_rq_lock+0x4f/0x54
    [ 5183.478375] [<ffffffff81069ba8>] ? put_lock_stats+0xe/0x29
    [ 5183.478387] [<ffffffff813d11ee>] _raw_spin_lock_nested+0x44/0x79
    [ 5183.478396] [<ffffffff8102ca4a>] ? double_rq_lock+0x4f/0x54
    [ 5183.478406] [<ffffffff813d128f>] ? _raw_spin_lock+0x6c/0x73
    [ 5183.478416] [<ffffffff8102ca2b>] ? double_rq_lock+0x30/0x54
    [ 5183.478425] [<ffffffff8102ca4a>] double_rq_lock+0x4f/0x54
    [ 5183.478437] [<ffffffff810334dc>] load_balance+0x1ca/0x4cb
    [ 5183.478447] [<ffffffff810337dd>] ? load_balance+0x4cb/0x4cb
    [ 5183.478460] [<ffffffff81033942>] rebalance_domains+0x165/0x1f4
    [ 5183.478470] [<ffffffff810337dd>] ? load_balance+0x4cb/0x4cb
    [ 5183.478481] [<ffffffff81033a9a>] run_rebalance_domains+0xc9/0x136
    [ 5183.478493] [<ffffffff8103fd3a>] __do_softirq+0x172/0x2f2
    [ 5183.478507] [<ffffffff810037e8>] ? do_softirq+0x2c/0x85
    [ 5183.478519] [<ffffffff813d3d2c>] call_softirq+0x1c/0x30
    [ 5183.478530] [<ffffffff810037f9>] do_softirq+0x3d/0x85
    [ 5183.478539] [<ffffffff8103f928>] irq_exit+0x53/0xbd
    [ 5183.478552] [<ffffffff81018bdc>] smp_call_function_single_interrupt+0x34/0x36
    [ 5183.478564] [<ffffffff813d37b0>] call_function_single_interrupt+0x70/0x80
    [ 5183.478571] <EOI> [<ffffffff813d20a1>] ? retint_restore_args+0xe/0xe
    [ 5183.478591] [<ffffffff81009402>] ? default_idle+0xef/0x1f5
    [ 5183.478602] [<ffffffff81009400>] ? default_idle+0xed/0x1f5
    [ 5183.478612] [<ffffffff81009651>] amd_e400_idle+0xcf/0xf6
    [ 5183.478624] [<ffffffff810014de>] cpu_idle+0x6f/0xc2
    [ 5183.478636] [<ffffffff813ca25c>] start_secondary+0x1ad/0x1b2
    [ 5183.478646] ---[ end trace 2434d22bc511873d ]---

    Thanks.

    --
    Regards/Gruss,
    Boris.


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