linux-kernel - Re: [hrtimer_active ^W ata_port_wait_eh] INFO: trying to register non-static key.

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Date:   Fri, 24 Nov 2017 21:41:39 +0800
From:   Fengguang Wu <fengguang.wu@...el.com>
To:     Tejun Heo <tj@...nel.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Frederic Weisbecker <frederic@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Ingo Molnar <mingo@...nel.org>,
        Deepa Dinamani <deepa.kernel@...il.com>,
        Marc Zyngier <marc.zyngier@....com>,
        Kees Cook <keescook@...omium.org>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...org
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:
>Hello,
>
>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
>fixed?

Sure. I'll disable CONFIG_DEBUG_TEST_DRIVER_REMOVE for 2 months.

Thanks,
Fengguang