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Date:   Fri, 24 Nov 2017 21:41:39 +0800
From:   Fengguang Wu <>
To:     Tejun Heo <>
Cc:     Thomas Gleixner <>,
        Frederic Weisbecker <>,
        Linus Torvalds <>,
        Al Viro <>,
        Ingo Molnar <>,
        Deepa Dinamani <>,
        Marc Zyngier <>,
        Kees Cook <>,
        LKML <>,
Subject: Re: [hrtimer_active ^W ata_port_wait_eh] INFO: trying to register
 non-static key.

Hi Tejun,

On Fri, Nov 24, 2017 at 04:49:52AM -0800, Tejun Heo wrote:
>On Wed, Nov 22, 2017 at 03:37:45PM +0100, Thomas Gleixner wrote:
>> [   33.027134] ata3: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc040 irq 14
>> [   33.027138] ata4: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc048 irq 15
>> [   33.028426] Error: Driver 'pata_platform' is already registered, aborting...
>This looks like another fallout from CONFIG_DEBUG_TEST_DRIVER_REMOVE.
>Fengguang, that debug option is broken and triggering various spurious
>failures.  Can you please blacklist that from test configs until it's

Sure. I'll disable CONFIG_DEBUG_TEST_DRIVER_REMOVE for 2 months.


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