From mboxrd@z Thu Jan 1 00:00:00 1970 From: hanjun.guo@linaro.org (Hanjun Guo) Date: Fri, 10 Jul 2015 19:10:46 +0800 Subject: ACPI: regression: Failed to initialize GIC IRQ controller In-Reply-To: References: <559F7B2C.6090402@arm.com> <559F8115.1060801@arm.com> Message-ID: <559FA836.8020001@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 07/10/2015 06:11 PM, Ming Lei wrote: > On Fri, Jul 10, 2015 at 4:23 PM, Marc Zyngier wrote: >> On 10/07/15 09:17, Suman Tripathi wrote: >>> On Fri, Jul 10, 2015 at 1:28 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: >>>>> [] dump_backtrace+0x0/0x12c >>>>> [] show_stack+0x10/0x1c >>>>> [] dump_stack+0x8c/0xdc >>>>> [] panic+0xe4/0x220 >>>>> [] init_IRQ+0x24/0x30 >>>>> [] 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? >>> >>> >>> I am also seeing the same . But it fixes after I apply the parking >>> protocol patch but that is not upstreamed. >> >> I'm more interested to find out if the patch I mentioned in my original >> email fixes it or not. An additional dependency on something that is not >> aimed for mainline yet doesn't really help. > > Yes, Al's patches do fix the issue. I should have read ahead :) Thanks Hanjun