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SubjectRE: "irq/matrix: Spread interrupts on allocation" breaks nouveau in mainline kernel
Date
> -----Original Message-----
> From: linux-kernel-owner@vger.kernel.org [mailto:linux-kernel-
> owner@vger.kernel.org] On Behalf Of Lyude Paul
> Sent: Wednesday, January 24, 2018 12:49 PM
> To: Thomas Gleixner <tglx@linutronix.de>
> Cc: hpa@zytor.com; keith.busch@intel.com; mingo@kernel.org; linux-
> kernel@vger.kernel.org
> Subject: Re: "irq/matrix: Spread interrupts on allocation" breaks nouveau in
> mainline kernel
>
> Hi, please ignore the warning: it happens before and after the regressing
> commit (I didn't actually mean to include it on the log I gave here, whoops).
> As for how I determined nouveau is getting assigned the same IRQ vector as
> another device, I checked using /sys/kernel/debug/irq. Additionally; when
> nouveau does initialize properly after resume (e.g. after reverting this
> patch) I see it get assigned a seperate vector from the other devices.
>

+Boris. This thread seems to have split.

Lyude,
Does the warning show on mainline or does it only show when bisecting?

Sorry, I'm not sure what you mean by "it happens before and after the
regressing commit".


Boris,
In any case, I like your idea on saving the block addresses. I can look into this.

Thanks,
Yazen
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