Bug#828870: nvidia-driver: Incorrect amount of graphics memory detected

Luca Boccassi luca.boccassi at gmail.com
Wed Jun 29 12:01:18 UTC 2016

On Wed, 2016-06-29 at 13:52 +0200, Lucas Serrano wrote:
> On 28/06/2016 21:20, Luca Boccassi wrote:
> > Control: tags -1 upstream
> > 
> > On Tue, 2016-06-28 at 19:23 +0200, Lucas Serrano wrote:
> >> Package: nvidia-driver
> >> Version: 352.79-8
> >> Severity: normal
> >>
> >> Dear Maintainer,
> >> I own a Clevo W255EG with an integrated GT 645M. Both nvidia-settings
> >> and nvidia-smi report 1GB as the total amount of graphics memory
> >> available. But there is at least 3x1GB graphical memory chips soldered
> >> on the laptop motherboard, which is consistent with amount of graphics
> >> memory reported on other laptops using this graphic card.
> > 
> > Hi,
> > 
> > Sorry but this really looks like an upstream problem, there is nothing
> > in the drivers packaging that could be causing this issue AFAIK.
> > 
> > Have you tried reporting this to Nvidia?
> > 
> Hi,
> Thank you for confirming that this is an upstream problem. Yesterday I
> filled a bugreport to https://nvidia.custhelp.com but since I'm not
> familiar with bugreporting to Nvidia I don't know if this is the correct
> place.

For Linux stuff it's very common to create a new thread on the forum:


I would encourage you to do so and add all details regarding your
hardware there. If you then report back the link to the thread, I can
add it to this bug metadata.

> Also I found an interesting paragraph on the nvidia customer care website:
> "However, if you have a notebook computer, you must typically get driver
> updates directly from the manufacturer of your notebook. Notebook
> graphics cards are highly specialized and the reference drivers provided
> on the www.nvidia.com website may not work unless indicated"
> So I suppose that the driver is somehow customized for laptop,
> explaining maybe why I have less enabled memory than available. Sadly
> it's unlikely that Clevo provides up-to-date linux driver for my laptop.

That would be very unusual, I've not seen such a problem before, but
anything can happen with proprietary drivers I suppose.

Kind regards,
Luca Boccassi
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