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Date: Fri, 10 Jul 2015 08:58:36 +0100
From: Marc Zyngier <marc.zyngier@arm.com>
Organization: ARM Ltd
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To: Ming Lei <ming.lei@canonical.com>, Bob Moore <robert.moore@intel.com>,
        Lv Zheng <lv.zheng@intel.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
CC: Hanjun Guo <hanjun.guo@linaro.org>, Thomas Gleixner <tglx@linutronix.de>,
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        Jason Cooper <jason@lakedaemon.net>,
        Catalin Marinas <catalin.marinas@arm.com>
Subject: Re: ACPI: regression: Failed to initialize GIC IRQ controller
References: <CACVXFVPkZYm2i+S3m8B0tixKmTx02psGndo79ehdJxLiz9T92A@mail.gmail.com>
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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

-- 
Jazz is not dead. It just smells funny...
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