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 Post subject: 7.1 Boot EDID issues?
PostPosted: Sun Nov 13, 2011 2:52 pm 
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Joined: Sat May 19, 2007 4:40 pm
Posts: 41
I started experiencing a new problem with 7.1 -- if I boot my front end connected to my TV it will hang with a black screen before it even begins to unpack the kernel.

While investigating this, I tried setting "vga=ask" in the kernel command line, and doing a mode scan when prompted. It hangs in exactly the same way!

So, I booted with the TV disconnected, and ran get-edid when it was booted. Very interesting:

get-edid: get-edid version 2.0.0

Performing real mode VBE call
Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0
Function supported
Call successful

VBE version 300
VBE string at 0x2110 "NVIDIA"

VBE/DDC service about to be called
Report DDC capabilities

Performing real mode VBE call
Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0
Function supported
Call successful

Monitor and video card combination does not support DDC1 transfers
Monitor and video card combination does not support DDC2 transfers
0 seconds per 128 byte EDID block transfer
Screen is not blanked during DDC transfer

Reading next EDID block

VBE/DDC service about to be called
Read EDID

Performing real mode VBE call
Interrupt 0x10 ax=0x4f15 bx=0x1 cx=0x0
Function supported
Call failed

The EDID data should not be trusted as the VBE call failed
Error: output block unchanged

Does this have to do with KMS and the NVidia drivers? I'm running an NVidia card.

B


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 Post subject:
PostPosted: Tue Nov 15, 2011 9:21 am 
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Joined: Mon Jun 19, 2006 8:50 am
Posts: 20
I don't know if this is any help, but I had to add:
vmalloc=256M
to my boot options for my system to boot with my NVidia card.


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 Post subject:
PostPosted: Sat Nov 26, 2011 7:16 pm 
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Joined: Mon Nov 28, 2005 10:44 am
Posts: 137
Location: Austin, TX
I'm having a similar problem - screen goes black right after the BIOS stuff and stays that way.

I tried adding the vmalloc=256M to all of the choices in /boot/grub/menu.lst. No change.

I did a fresh install. No change.

I poked around online and saw a few folks were having similar problems with the 290.10 drivers and other 7xxx chipsets. Some had success by rolling back to 285.05.09. I haven't tried that yet because I haven't quite figured out how to yet...

FWIW: I have an nVidia 7150/630i.


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 Post subject:
PostPosted: Sat Nov 26, 2011 7:22 pm 
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Joined: Fri Jul 21, 2006 11:12 pm
Posts: 1194
Location: SC
psicard wrote:
I poked around online and saw a few folks were having similar problems with the 290.10 drivers and other 7xxx chipsets. Some had success by rolling back to 285.05.09. I haven't tried that yet because I haven't quite figured out how to yet...
7.1 has 285.05.09, not 290.xx.


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 Post subject:
PostPosted: Sat Nov 26, 2011 11:24 pm 
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Joined: Mon Nov 28, 2005 10:44 am
Posts: 137
Location: Austin, TX
Thanks - I should've looked more carefully. Arch has 290 as the current version.

I ran the beta of LinHES 7 fine for months with no problems until I rebooted after performing upgrades this week. I see the driver was updated from 280.13 in October - I'll have to try to switching to that.


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