search for: lpss

...really turn it off and I get The battery reports a discharge rate of 63.0 W If I load the nouveau driver, the chip gets turned off (great), but it's unstable and hard crashes my laptop when I plug/unplug it from power after a few times. This is what I got in my logs after the last crash: intel-lpss 0000:00:15.0: power state changed by ACPI to D3cold intel-lpss 0000:00:15.1: power state changed by ACPI to D3cold snd_hda_intel 0000:00:1f.3: PME# enabled intel-lpss 0000:00:1e.0: power state changed by ACPI to D3cold snd_hda_intel 0000:00:1f.3: power state changed by ACPI to D3hot xhci_hcd 0000:0...

...The battery reports a discharge rate of 63.0 W > > If I load the nouveau driver, the chip gets turned off (great), but it's > unstable and hard crashes my laptop when I plug/unplug it from power > after a few times. > This is what I got in my logs after the last crash: > intel-lpss 0000:00:15.0: power state changed by ACPI to D3cold > intel-lpss 0000:00:15.1: power state changed by ACPI to D3cold > snd_hda_intel 0000:00:1f.3: PME# enabled > intel-lpss 0000:00:1e.0: power state changed by ACPI to D3cold > snd_hda_intel 0000:00:1f.3: power state changed by ACPI to D...

On Sat, Sep 1, 2018 at 3:12 AM, Bjorn Helgaas <helgaas at kernel.org> wrote: > If true, this sounds like some sort of erratum, so it would be good to > get some input from Intel, and I cc'd a few Intel folks. Yes, it would be great to get their input. > It's interesting that all the systems below are from Asus. That makes > me think there's some BIOS or SMM

...2 AM, Bjorn Helgaas <helgaas at kernel.org> wrote: > > If true, this sounds like some sort of erratum, so it would be good to > > get some input from Intel, and I cc'd a few Intel folks. > > Yes, it would be great to get their input. We have seen one similar issue with LPSS devices when BIOS assigns device BARs above 4G (which is not the case here) and it turned out to be misconfigured MTRR register or something like that. It may not be related at all but it could be worth a try to dump out MTRR registers of one of the affected systems and see if the memory areas are...

...t;) a345918d6ee6 ("vga_switcheroo: Support deferred probing of audio clients") ad281ecf1c7d ("PCI: Add DMA alias quirk for Microsemi Switchtec NTB") b00e5334ab1b ("vga_switcheroo: Add helper for deferred probing") b5f88dd1d6ef ("Revert "ACPI / LPSS: allow to use specific PM domain during ->probe()"") c1e1655bb892 ("apple-gmux: Assign apple_gmux_data before registering") c68f4528a2e9 ("drm/amdkfd: Track when module's init is complete") fa6d513aefe4 ("drivers:gpu: vga :vga_switcheroo.c : Fix...

On Mon, Sep 3, 2018 at 8:12 PM, Mika Westerberg <mika.westerberg at linux.intel.com> wrote: > We have seen one similar issue with LPSS devices when BIOS assigns > device BARs above 4G (which is not the case here) and it turned out to > be misconfigured MTRR register or something like that. It may not be > related at all but it could be worth a try to dump out MTRR registers of > one of the affected systems and see if t...

On a very specific subset of ThinkPad P50 SKUs, particularly ones that come with a Quadro M1000M chip instead of the M2000M variant, the BIOS seems to have a very nasty habit of not always resetting the secondary Nvidia GPU between full reboots if the laptop is configured in Hybrid Graphics mode. The reason for this happening is unknown, but the following steps and possibly a good bit of patience