[PATCH] acpi: Issue _OSC call for native thermal interrupt handling

2016-03-20 Thread Srinivas Pandruvada
There are several reports of freeze on enabling HWP (Hardware PStates) feature on Skylake based systems by Intel P states driver. The root cause is identified as the HWP interrupts causing BIOS code to freeze. HWP interrupts uses thermal LVT. Linux natively handles thermal interrupts, but in Skylak

Re: [PATCH] acpi: Issue _OSC call for native thermal interrupt handling

2016-03-19 Thread kbuild test robot
Hi Srinivas, [auto build test ERROR on pm/linux-next] [also build test ERROR on v4.5 next-20160316] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Srinivas-Pandruvada/acpi-Issue-_OSC-call-for-

Re: [PATCH] acpi: Issue _OSC call for native thermal interrupt handling

2016-03-19 Thread Rafael J. Wysocki
On Wednesday, March 16, 2016 03:25:19 PM Srinivas Pandruvada wrote: > There are several reports of freeze on enabling HWP (Hardware PStates) > feature on Skylake based systems by Intel P states driver. The root > cause is identified as the HWP interrupts causing BIOS code to freeze. > HWP interrupt

Re: [PATCH] acpi: Issue _OSC call for native thermal interrupt handling

2016-03-18 Thread Srinivas Pandruvada
On Wed, 2016-03-16 at 23:48 +0100, Rafael J. Wysocki wrote: > On Wednesday, March 16, 2016 03:25:19 PM Srinivas Pandruvada wrote: > > There are several reports of freeze on enabling HWP (Hardware > > PStates) > > feature on Skylake based systems by Intel P states driver. The root > > cause is ident