linux-kernel - Re: ACPI: regression: Failed to initialize GIC IRQ controller

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Message-ID: <559F7B2C.6090402@arm.com>
Date:	Fri, 10 Jul 2015 08:58:36 +0100
From:	Marc Zyngier <marc.zyngier@....com>
To:	Ming Lei <ming.lei@...onical.com>,
	Bob Moore <robert.moore@...el.com>,
	Lv Zheng <lv.zheng@...el.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
CC:	Hanjun Guo <hanjun.guo@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	Jason Cooper <jason@...edaemon.net>,
	Catalin Marinas <catalin.marinas@....com>
Subject: Re: ACPI: regression: Failed to initialize GIC IRQ controller

On 10/07/15 08:45, Ming Lei wrote:
> Hi,
> 
> Commit 0cff8dc0099f6d4f(ACPICA: ACPI 6.0: Add changes for MADT table.)
> causes the following failure on APM mustang board(arm64) when
> booting via UEFI and ACPI:
> 
> No valid GICC entries exist
> ACPI: Failed to initialize GIC IRQ controller
> Kernel panic - not syncing: No interrupt controller found.
> CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.2.0-rc1+ #45
> Hardware name: APM X-Gene Mustang board (DT)
> Call trace:
> [<ffffffc000089b94>] dump_backtrace+0x0/0x12c
> [<ffffffc000089cd0>] show_stack+0x10/0x1c
> [<ffffffc0005fac18>] dump_stack+0x8c/0xdc
> [<ffffffc0005f7218>] panic+0xe4/0x220
> [<ffffffc00082631c>] init_IRQ+0x24/0x30
> [<ffffffc00082486c>] start_kernel+0x274/0x3d8
> ---[ end Kernel panic - not syncing: No interrupt controller found.

Isn't that addressed by [1] which Catalin has queued for -rc2?

Thanks,

	M.

[1] https://lkml.org/lkml/2015/7/6/876

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