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Re: Intel/nVidia switching on Dell Vostro 3750

 

I have some additional information - please find attached full dmesg output.

Also this looks interesting - does it shed any light?

amurray@summer:~$ dmesg
...
[   15.864071] [drm:intel_dsm_platform_mux_info] *ERROR* MUX INFO call failed
[   15.864115] [drm:intel_dsm_platform_mux_info] *ERROR* MUX INFO call failed
[   15.926218] vgaarb: device changed decodes:
PCI:0000:00:02.0,olddecodes=io+mem,decodes=none:owns=io+mem
[   15.926221] vgaarb: transferring owner from PCI:0000:00:02.0 to
PCI:0000:01:00.0
[   16.010594] Console: switching to colour frame buffer device 200x56
[   16.010630] fb0: inteldrmfb frame buffer device
[   16.010631] drm: registered panic notifier
[   16.010857] [Firmware Bug]: ACPI(PEGP) defines _DOD but not _DOS
[   16.015543] acpi device:28: registered as cooling_device8
[   16.015623] input: Video Bus as
/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:27/LNXVIDEO:00/input/input8
[   16.015664] ACPI: Video Device [PEGP] (multi-head: yes  rom: yes  post: no)
[   16.055780] alps.c: Enabled hardware quirk, falling back to psmouse-core
[   16.073070] input: ImPS/2 ALPS GlidePoint as
/devices/platform/i8042/serio1/input/input9
[   16.088178] nvidia 0000:01:00.0: power state changed by ACPI to D0
[   16.088181] nvidia 0000:01:00.0: power state changed by ACPI to D0
[   16.088185] nvidia 0000:01:00.0: enabling device (0004 -> 0007)
[   16.088190] nvidia 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[   16.088195] nvidia 0000:01:00.0: setting latency timer to 64
[   16.088200] vgaarb: device changed decodes:
PCI:0000:01:00.0,olddecodes=io+mem,decodes=none:owns=none
[   16.088346] NVRM: loading NVIDIA UNIX x86_64 Kernel Module
270.41.06  Mon Apr 18 14:53:56 PDT 2011
[   16.165336] acpi device:2b: registered as cooling_device9
[   16.165569] input: Video Bus as
/devices/LNXSYSTM:00/device:00/PNP0A08:00/LNXVIDEO:01/input/input10
[   16.165621] ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
[   16.165764] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
...

Thanks,

Andrew Murray

On 25 April 2011 20:58, Andrew Murray <amurray@xxxxxxxxxxx> wrote:
> Hello,
>
> I'm having difficulty in switching from my on-board Intel graphics
> card to my nVidia card. I believe I need to use some ACPI commands to
> perform such switch.
>
> I've used the acpi_call 'test.sh' script - but never see the 'It
> works' message. I also cannot see any /sys/kernel/debug/switcheroo or
> similar controls despite debugfs being mounted and modeset=1 being set
> on the kernel command line.
>
> I've attached a dsl file describing my ACPI configuration. Please find
> below additional information about my hardware.
>
> Can someone point me in the right direction as to how I can make
> progress on this? Or even some pointers on how to interpret my dsl
> file.
>
> amurray@summer:~/acpi_call$ sudo dmidecode -s system-product-name
> Dell System Vostro 3750
> amurray@summer:~/acpi_call$ sudo dmidecode -s system-version
> Not Specified
> amurray@summer:~/acpi_call$ lspci -vnnn | perl -lne 'print if
> /^\d+\:.+(\[\S+\:\S+\])/' | grep VGA
> 00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd
> Generation Core Processor Family Integrated Graphics Controller
> [8086:0116] (rev 09) (prog-if 00 [VGA controller])
> 01:00.0 VGA compatible controller [0300]: nVidia Corporation Device
> [10de:0df5] (rev a1) (prog-if 00 [VGA controller])
> amurray@summer:~/acpi_call$
>
> Thanks,
>
> Andrew Murray
>



-- 
Andrew Murray, Embedded Linux Group
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Attachment: dmesg
Description: Binary data


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