Subject: ACPI: regression: Failed to initialize GIC IRQ controller

From: [email-masked] (Hanjun Guo)
Date: Fri, 10 Jul 2015 18:49:08 +0800

On 07/10/2015 03:58 PM, Marc Zyngier wrote:
> 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

Yes, already fixed by Al and Catalin already queued for
4.2-rc2.

Thanks
Hanjun