On Mon, Jul 9, 2012 at 11:41 AM, Tejun Heo <tj@xxxxxxxxxx> wrote:
> @@ -1234,7 +1235,7 @@ static void worker_enter_idle(struct worker *worker)
> */
> WARN_ON_ONCE(gcwq->trustee_state == TRUSTEE_DONE &&
> pool->nr_workers == pool->nr_idle &&
> - atomic_read(get_gcwq_nr_running(gcwq->cpu)));
> + atomic_read(get_pool_nr_running(pool)));
> }
Just had this WARN_ON_ONCE trigger on ia64 booting next-20120710. I
haven't bisected ... just noticed that two patches in this series tinker
with lines in this check. next-20120706 didn't generate the WARN.
-Tony
Mount-cache hash table entries: 1024
ACPI: Core revision 20120518
Boot processor id 0x0/0x0
------------[ cut here ]------------
WARNING: at kernel/workqueue.c:1217 worker_enter_idle+0x2d0/0x4a0()
Modules linked in:
Call Trace:
[<a0000001000154e0>] show_stack+0x80/0xa0
sp=e0000040600f7c30 bsp=e0000040600f0da8
[<a000000100d6e870>] dump_stack+0x30/0x50
sp=e0000040600f7e00 bsp=e0000040600f0d90
[<a0000001000730a0>] warn_slowpath_common+0xc0/0x100
sp=e0000040600f7e00 bsp=e0000040600f0d50
[<a000000100073120>] warn_slowpath_null+0x40/0x60
sp=e0000040600f7e00 bsp=e0000040600f0d28
[<a0000001000aaad0>] worker_enter_idle+0x2d0/0x4a0
sp=e0000040600f7e00 bsp=e0000040600f0cf0
[<a0000001000ad020>] worker_thread+0x4a0/0xbe0
sp=e0000040600f7e00 bsp=e0000040600f0c28
[<a0000001000bda70>] kthread+0x110/0x140
sp=e0000040600f7e00 bsp=e0000040600f0be8
[<a000000100013510>] kernel_thread_helper+0x30/0x60
sp=e0000040600f7e30 bsp=e0000040600f0bc0
[<a00000010000a0c0>] start_kernel_thread+0x20/0x40
sp=e0000040600f7e30 bsp=e0000040600f0bc0
---[ end trace 9501f2472a75a227 ]---
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