hybrid-graphics-linux team mailing list archive

[Albert Vilella <avilella@xxxxxxxxx>]

thanks charles, good info, the U35 and U33 models are going to be
coming into Linux-land from now on, so the sooner we can give Dave
Airlie and the others all possible useful info, the better for hybrid
graphics in linux...

On Sun, Aug 15, 2010 at 3:16 PM, charles <aquasync@xxxxxxxxx> wrote:
> Hi All,
>
> New laptop uses nvidia optimus. Able to get in to X using 2.6.35, but
> doesn't appear to be possible to use the nvidia card using
> vgaswitcheroo.
>
> Some details:
>
> U35JC
> 1.0
> 00:02.0 VGA compatible controller [0300]: Intel Corporation Core
> Processor Integrated Graphics Controller [8086:0046] (rev 18)
> 01:00.0 VGA compatible controller [0300]: nVidia Corporation Device
> [10de:0a70] (rev a2)
>
> Biggest problem with this laptop at the moment is that it seizes when
> trying to suspend, most likely due to gfx issues.
>
> There are a lot of symptoms of what appear to be acpi issues (?) :
>
> 1. I have two /proc/acpi/video/GFX0 directories:
>
> [    7.836571] ------------[ cut here ]------------
> [    7.836582] WARNING: at
> /build/buildd/linux-maverick-2.6.35/fs/proc/generic.c:583
> proc_register+0x103/0x1e0()
> [    7.836585] Hardware name: U35JC
> [    7.836588] proc_dir_entry 'video/GFX0' already registered
>
> % ls -1 /proc/acpi/video/
> GFX0
> GFX0
>
> 2. Some kind of ACPI execution error:
>
> [    7.999440] ACPI Error (psparse-0537): Method parse/execution
> failed [\_SB_.PCI0.GFX0._DSM] (Node f702a978), AE_AML_OPERAND_TYPE
> [    7.999523] failed to evaluate _DSM: 12291
> [    7.999557] ACPI Error: Needed [Buffer/String/Package], found
> [Integer] f6950870 (20100428/exresop-590)
> [    7.999561] ACPI Exception: AE_AML_OPERAND_TYPE, While resolving
> operands for [OpcodeName unavailable] (20100428/dswexec-445)
> [    7.999566] ACPI Error (psparse-0537): Method parse/execution
> failed [\_SB_.PCI0.GFX0._DSM] (Node f702a978), AE_AML_OPERAND_TYPE
> [    7.999621] ACPI Error (psparse-0537): Method parse/execution
> failed [\_SB_.PCI0.PEG1.GFX0._DSM] (Node f703fba0),
> AE_AML_OPERAND_TYPE
> [    7.999681] failed to evaluate _DSM: 12291
>
> I've still got win7 installed if that helps to collect any acpi diagnostics.
>
> Regards,
>
> Charles
>
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