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anyNiXwilldo
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Joined: 20 Feb 2004
Posts: 176
Location: US
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 Posted: Sun Oct 14, 2012 12:57 am Post subject: Does KMS Require Firmware? |
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I am running a deblobbed hardened kernel. It boots fine as long as KMS is disabled. If KMS is enabled, it stalls very early at boot, because it is trying to load CEDAR firmware which is no longer installed. Does KMS require firmware?
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chithanh
Developer
Joined: 05 Aug 2006
Posts: 2158
Location: Berlin, Germany
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| Posted: Sun Oct 14, 2012 1:00 am Post subject: |
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Yes, the radeon driver requires proprietary firmware. If a built-in driver is missing firmware during boot, it will hang the boot process for about 60 seconds per missing firmware file.
http://www.gentoo.org/doc/en/xorg-config.xml has a list of firmware files that are needed for radeon KMS. |
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anyNiXwilldo
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| Posted: Sun Oct 14, 2012 1:10 am Post subject: |
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*SIGH* I thought I solved these kinds of problems a year ago when I ditched nVidia, but a thousand thank yous for the quick and accurate response.
Does the nouveau driver require firmware for KMS?
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chithanh
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| Posted: Sun Oct 14, 2012 1:22 am Post subject: |
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| NVidia cards require that some kind of microcode called "fuc progs" is loaded into the cards. For previous generation cards (Fermi and older) this microcode was reverse engineered and can now be generated by nouveau. For current (Kepler) generation cards it must still be extracted from the proprietary nvidia driver at runtime. |
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anyNiXwilldo
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| Posted: Sun Oct 14, 2012 2:02 am Post subject: |
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| chithanh wrote: |
For previous generation cards (Fermi and older) this microcode was reverse engineered and can now be generated by nouveau. |
Is a Nvidia 9500GT considered to be 'previous generation?'
(If I was where you are right now, I would be slathering some pork in curry catsup and planning which gluvien recipe to prepare for Yule.)
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chithanh
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anyNiXwilldo
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| Posted: Sun Oct 14, 2012 2:14 am Post subject: |
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That website denotes the 9500GT as NV50 generation. It most likely doesn't require firmware, since it is highly recommended by Trisquel users, which is a deblobbed distro with neither proprietary firmware nor non-free software installed.
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