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How to have two frame buffer with two graphic cards
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gil390
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Joined: 13 Oct 2009
Posts: 3
Location: France

PostPosted: Mon Nov 24, 2014 5:13 pm    Post subject: How to have two frame buffer with two graphic cards Reply with quote

Hi,

Two graphic cards are plugged to my computer:
$ lspci | grep VGA
01:00.0 VGA compatible controller: NVIDIA Corporation GF119 [GeForce GT 520] (rev a1)
02:00.0 VGA compatible controller: NVIDIA Corporation NV43GL [Quadro FX 540] (rev a2)

I would like two framebuffers (one for each card) into /dev. Is it possible ?
Actually, only one is present: /dev/fb0

I think it is a VESA Framebuffer, how to verify this and how to know to which card is linked this device ?

Thank you very much for your help.

best regards,
Gil
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charles17
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Joined: 02 Mar 2008
Posts: 2613

PostPosted: Tue Nov 25, 2014 6:12 am    Post subject: Reply with quote

With -k option lspci will show the drivers for each device
Quote:
# lspci -k
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gil390
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Joined: 13 Oct 2009
Posts: 3
Location: France

PostPosted: Tue Nov 25, 2014 7:28 am    Post subject: Reply with quote

Hi,
thank you for your hlp.

Here result of lspci -k :

01:00.0 VGA compatible controller: NVIDIA Corporation GF119 [GeForce GT 520] (rev a1)
Subsystem: Device 196e:0915
Kernel modules: nouveau

02:00.0 VGA compatible controller: NVIDIA Corporation NV43GL [Quadro FX 540] (rev a2)
Subsystem: NVIDIA Corporation Device 020d
Kernel modules: nouveau
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