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Old 20th July 2011, 03:45 PM
paulrogers6 Offline
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linuxfirefox
Problems with Gnome 3 & Nvidia Geforce GTX460M - fallback mode only

Hi All

I have a new laptop, running the 64 bit version of FC15 on an NVidia Geforce GTX 460M graphics card.

The first time it started after installing FC15 Gnome reported that no 3D acceleration was available and that it was reverting to forced fallback mode. Checking the systems settings/Graphics widget shows that the driver is "Gallium 0.4 on llvmpipe" the Experience is fallback and that forced fallback is on. Changing this to off just ends up with it being reset to on at bootup.

My understanding is that the system is using the no proprietary drivers (nouveau??). But I can't find any info on the config. There's not even an xorg.conf. Is that correct?

Does/should 3D acceleration/Gnome 3 work with the nouveau drivers? Or do I need to use the proprietary drivers(don't really want to upgrade if I can help it)?

Can anyone suggest where to look for the X config? or perhaps a utility to change edit same?

Can anyone help with why 3D acceleration isn't working? Below is the output from dmesg that references nouveau.

I've also included the output from Leigh's suggested debugging commands (in the NVidia drivers tutorial.

Where to look next?

Any help'd be greatly appreciated

Regards

Paul

dmesg | grep nouveau
[ 1.694618] nouveau 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 1.694623] nouveau 0000:01:00.0: setting latency timer to 64
[ 1.696937] [drm] nouveau 0000:01:00.0: Detected an NVc0 generation card (0x0c3880a1)
[ 1.700622] [drm] nouveau 0000:01:00.0: Attempting to load BIOS image from PRAMIN
[ 1.808722] [drm] nouveau 0000:01:00.0: ... appears to be valid
[ 1.808725] [drm] nouveau 0000:01:00.0: BIT BIOS found
[ 1.808728] [drm] nouveau 0000:01:00.0: Bios version 70.06.16.00
[ 1.808730] [drm] nouveau 0000:01:00.0: Pointer to BIT loadval table invalid
[ 1.808817] [drm] nouveau 0000:01:00.0: TMDS table version 2.0
[ 1.808819] [drm] nouveau 0000:01:00.0: Found Display Configuration Block version 4.0
[ 1.808822] [drm] nouveau 0000:01:00.0: Raw DCB entry 0: 01000313 00010034
[ 1.808824] [drm] nouveau 0000:01:00.0: Raw DCB entry 1: 08014382 00020010
[ 1.808826] [drm] nouveau 0000:01:00.0: Raw DCB entry 2: 02049300 00000000
[ 1.808829] [drm] nouveau 0000:01:00.0: DCB connector table: VHER 0x40 5 16 4
[ 1.808831] [drm] nouveau 0000:01:00.0: 0: 0x00000040: type 0x40 idx 0 tag 0xff
[ 1.808833] [drm] nouveau 0000:01:00.0: 1: 0x00001161: type 0x61 idx 1 tag 0x07
[ 1.808835] [drm] nouveau 0000:01:00.0: 2: 0x00001231: type 0x31 idx 2 tag 0x07
[ 1.808837] [drm] nouveau 0000:01:00.0: 3: 0x01000331: type 0x31 idx 3 tag 0x5e
[ 1.808839] [drm] nouveau 0000:01:00.0: 4: 0x01000461: type 0x61 idx 4 tag 0x5e
[ 1.808841] [drm] nouveau 0000:01:00.0: 5: 0x02000546: type 0x46 idx 5 tag 0x5f
[ 1.808843] [drm] nouveau 0000:01:00.0: 6: 0x00010631: type 0x31 idx 6 tag 0x51
[ 1.808845] [drm] nouveau 0000:01:00.0: 7: 0x00010746: type 0x46 idx 7 tag 0x51
[ 1.808847] [drm] nouveau 0000:01:00.0: 8: 0x00020846: type 0x46 idx 8 tag 0x52
[ 1.808849] [drm] nouveau 0000:01:00.0: 9: 0x00000900: type 0x00 idx 9 tag 0xff
[ 1.808853] [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 0 at offset 0x7B13
[ 1.839054] [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 1 at offset 0x8207
[ 1.940302] [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 2 at offset 0x93FB
[ 1.940308] [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 3 at offset 0x9405
[ 1.940375] [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 4 at offset 0x95DA
[ 1.940379] [drm] nouveau 0000:01:00.0: Parsing VBIOS init table at offset 0x963F
[ 1.960392] [drm] nouveau 0000:01:00.0: 0x963F: Condition still not met after 20ms, skipping following opcodes
[ 2.200317] [drm] nouveau 0000:01:00.0: 2 available performance level(s)
[ 2.200324] [drm] nouveau 0000:01:00.0: 0: memory 135MHz core 50MHz shader 101MHz
[ 2.200330] [drm] nouveau 0000:01:00.0: 1: memory 324MHz core 202MHz shader 405MHz
[ 2.200564] [drm] nouveau 0000:01:00.0: Detected 1536MiB VRAM
[ 2.210514] [drm] nouveau 0000:01:00.0: 512 MiB GART (aperture)
[ 2.213751] [drm] nouveau 0000:01:00.0: failed to load fuc409d
[ 2.231419] [drm] nouveau 0000:01:00.0: ACPI backlight interface available, not registering our own
[ 2.413422] [drm] nouveau 0000:01:00.0: allocated 1366x768 fb: 0x8020000, bo ffff88020ae00c00
[ 2.413472] fbcon: nouveaufb (fb0) is primary device
[ 3.765406] fb0: nouveaufb frame buffer device
[ 3.765431] [drm] Initialized nouveau 0.0.16 20090420 for 0000:01:00.0 on minor 0

rpm -qa *\nvidia\* *\kernel\*|sort
abrt-addon-kerneloops-2.0.3-1.fc15.x86_64
kernel-2.6.38.8-32.fc15.x86_64
kernel-2.6.38.8-35.fc15.x86_64
kernel-devel-2.6.38.8-32.fc15.x86_64
kernel-devel-2.6.38.8-35.fc15.x86_64
kernel-headers-2.6.38.8-35.fc15.x86_64

uname -r
2.6.38.8-35.fc15.x86_64

lsmod |grep -e nvidia -e nouveau
nouveau 527278 2
ttm 55120 1 nouveau
drm_kms_helper 27515 1 nouveau
drm 187984 4 nouveau,ttm,drm_kms_helper
i2c_algo_bit 5014 1 nouveau
i2c_core 25468 5 i2c_i801,nouveau,drm_kms_helper,drm,i2c_algo_bit
video 12432 1 nouveau

cat /etc/X11/xorg.conf
cat: /etc/X11/xorg.conf: No such file or directory
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  #2  
Old 30th July 2011, 08:10 PM
paulrogers6 Offline
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linuxfirefox
Thumbs up [SOLVED] Re: Problems with Gnome 3 & Nvidia Geforce GTX460M - fallback mode only

Hi All

Have solved this. Seems nouveau driver is the problem. Installing the proprietary nvidia drivers has fixed the problem. Gnome 3 is now working correctly.

P
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  #3  
Old 31st July 2011, 12:01 AM
ElderSnake Offline
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Re: [SOLVED] Re: Problems with Gnome 3 & Nvidia Geforce GTX460M - fallback mode only

Yeah, I have a desktop GTX460 - had the exact same problem. In fact Nouveau doesnt play nice with it in any distro whatsoever. Let that be a lesson to anyone with a GTX460 I guess, you will most likely have to use the proprietery drivers.
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