hybrid-graphics-linux team mailing list archive

[Bilal Akhtar <bilalakhtar@xxxxxxxxxx>]

I also have the same system (With 6 GB RAM and i7 and nvidia 540M ).

The fix to the random freeze is simple: Add the line "blacklist nouveau" 
to /etc/modprobe/blacklist.conf .

In my case, I'm able to use up the discrete card as well with bumblebee, 
you can try if it works for you.

Hope it helps,

Bilal Akhtar.

On Monday 20 June 2011 11:28 AM, Nikunj Vaidya wrote:
> # sudo dmidecode -s system-product-name
> Dell System XPS L502X
>
> # sudo dmidecode -s system-version
> Not Specified
>
> # 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])
>
> Things tried.
>
> # For hangcheck_ring_idle error,
> [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck timer elapsed... blt
> ring idle [waiting on 17594, at 17594], missed IRQ?
>
> # the following work-around works on my system,
>      pathi915Sem="/sys/module/i915/parameters/semaphores"
>      echo "1" | sudo tee $pathi915Sem > /dev/null
>
> # Then tried to turn off the NVIDIA, with the ACPI call that works on my
> system,
>      sudo insmod acpi_call.ko
>      m="\_SB.PCI0.PEG0.PEGP._OFF"
>      pathAcpiCall=/proc/acpi/call
>      echo $m > $pathAcpiCall
>
> # But, after that ACPI call is done, the system tends to freeze after a
> short while.
> # Typically the freeze is after some idle time when the display has
> blanked; keyboard seems to die after some time.
> # I think I have seen a freeze while working too -- need more samples;
> inputs/suggestions are welcome.
>
> nik.. .
>
>
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--
Bilal Akhtar - Ubuntu Developer <bilalakhtar@xxxxxxxxxx>
IRC Nick: cdbs