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    SubjectRe: WARNING: at kernel/workqueue.c [was: mmotm 2011-01-06-15-41 uploaded]
    On Mon, Jan 10, 2011 at 03:36:09PM -0800, Tony Luck wrote:
    > > Here it is, too.
    > > mmotm-01-06
    >
    > Also in today's linux-next (tag: next-20110110) on ia64:
    >
    >
    > ------------[ cut here ]------------
    > WARNING: at kernel/workqueue.c:1202 worker_enter_idle+0x3f0/0x4a0()
    > Hardware name: server rx2620
    > Modules linked in:
    >
    > Call Trace:
    > [<a000000100014cb0>] show_stack+0x50/0xa0
    > sp=e0000040600d7c30 bsp=e0000040600d0dd0
    > [<a000000100bcaa20>] dump_stack+0x30/0x50
    > sp=e0000040600d7e00 bsp=e0000040600d0db8
    > [<a000000100082260>] warn_slowpath_common+0xc0/0x100
    > sp=e0000040600d7e00 bsp=e0000040600d0d78
    > [<a0000001000822e0>] warn_slowpath_null+0x40/0x60
    > sp=e0000040600d7e00 bsp=e0000040600d0d50
    > [<a0000001000b0830>] worker_enter_idle+0x3f0/0x4a0
    > sp=e0000040600d7e00 bsp=e0000040600d0d28
    > [<a0000001000b2c80>] worker_thread+0x8c0/0x980
    > sp=e0000040600d7e00 bsp=e0000040600d0c28
    > [<a0000001000c08c0>] kthread+0x120/0x160
    > sp=e0000040600d7e00 bsp=e0000040600d0be8
    > [<a000000100012ef0>] kernel_thread_helper+0x30/0x60
    > sp=e0000040600d7e30 bsp=e0000040600d0bc0
    > [<a00000010000a0c0>] start_kernel_thread+0x20/0x40
    > sp=e0000040600d7e30 bsp=e0000040600d0bc0
    > ---[ end trace 7e2fb881ec0622f8 ]---

    Ah, of course, it's commit 21ec12364bb78b72ad36b94269c64b3ee31b038f
    (workqueue: remove noop condition check in worker_clr_flags()). The
    condition it removes is not a noop. Reverting it.

    Thank you.

    --
    tejun


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