Re: 4.7 regression: ACPI: No IRQ available for PCI Interrupt Link [LNKD]. Try pci=noacpi or acpi=off

From: Sinan Kaya
Date: Thu Sep 29 2016 - 18:40:04 EST


This is a multi-part message in MIME format.On 9/29/2016 2:00 PM, Ondrej Zary wrote:
>> The previous two patches were in the right direction.
>> >
>> > Can we also get the same output from 4.6 kernel with the attached patch for
>> > the same machine you sent these?
> Here it is.
>
>> > Something about SCI still doesn't feel right.
>> >
>> > The IRQ assignment fails if the penalty is greater than
>> > PIRQ_PENALTY_ISA_ALWAYS. This will happen if BIOS tells us to use an IRQ
>> > and same IRQ is in use by the SCI.

Thanks, I reverted penalize_sci function and dropped patch #1. Can you try this again?


--
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.