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Old 03-03-10, 12:39 AM   #1
primerib
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Default Why does it take so long with Nvidia drivers and certain kernels?

I just updated my kernel to 2.6.33 and the Nvidia driver takes noticably longer to initialize (or whatever it's doing) then it did in 2.6.32.9.. What gives? My ION box loads it all in about 4 seconds, the one I'm wondering about takes about 27! It seems like 10 of that is the Nvidia logo sitting on the screen.

I apologize to my drivers if something else related to startx'ing is responsible for this.

amd64 X2 4400+
2GB ram
debian testing (32bit)
kernel 2.6.33
nvidia driver 195.36.08
8400gs
xorg 1:7.5+3
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Old 03-03-10, 12:53 AM   #2
slightlystoopid
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Default Re: Why does it take so long with Nvidia drivers and certain kernels?

the only delay I notice, which is several seconds, is when starting compiz, and that has occured for awhile.
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Old 03-03-10, 04:22 AM   #3
Arup
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Default Re: Why does it take so long with Nvidia drivers and certain kernels?

Compared to Win7 on my dual quad core, Ubuntu takes around half the time to come to desktop.
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Old 03-03-10, 10:23 AM   #4
Dizzle7677
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Default Re: Why does it take so long with Nvidia drivers and certain kernels?

It's a moot point how fast a system starts up nowadays (12 secs for me - natch). The important point is that it STAYS up...
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Old 03-03-10, 01:15 PM   #5
primerib
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Default Re: Why does it take so long with Nvidia drivers and certain kernels?

Quote:
Originally Posted by Dizzle7677 View Post
It's a moot point how fast a system starts up nowadays (12 secs for me - natch). The important point is that it STAYS up...
How fast a box boots is relevant to people who have to do a lot of reboots. There are users who do more then load their desktop and go on the web.

However, how fast a computer boots is not what I'm talking about. I'm talking about the drivers initializing, which under no circumstances should be taking nearly 30 seconds.
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Old 03-05-10, 06:33 AM   #6
brebs
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Default Re: Why does it take so long with Nvidia drivers and certain kernels?

Try:
Code:
Option "IgnoreDisplayDevices" "TV"
This speeded up nvidia initialization for me, although admittedly it was several years ago.
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Old 03-05-10, 09:45 AM   #7
gonzo_s
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Default Re: Why does it take so long with Nvidia drivers and certain kernels?

Sorry. In which section do I have tu put this option: Device ?
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Old 03-05-10, 04:18 PM   #8
primerib
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Default Re: Why does it take so long with Nvidia drivers and certain kernels?

Quote:
Originally Posted by brebs View Post
Try:
Code:
Option "IgnoreDisplayDevices" "TV"
This speeded up nvidia initialization for me, although admittedly it was several years ago.
I just thought of something. Is it possible that xorg or drivers are trying to query my tv for it's edid info at this time? Just a thought, not really based on anything. My xorg.conf is very basic:
Code:
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 1.0  (buildmeister@builder63)  Mon Feb  1 03:17:59 PST 2010

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0"
    Option         "BlankTime" "0"
    Option         "StandbyTime" "0"
    Option         "SuspendTime" "0"
    Option         "OffTime" "0"
EndSection

# if you have the X server Composite extention enabled, you'll get horizontal tearing with VDPAU cuz it turns off vdpau v-sync.
#Section "Extensions"
#    Option         "Composite" "Disable"
#EndSection

Section "Monitor"
    Identifier     "Plasma 54in"
    VendorName     "Panasonic"
    ModelName      "VIERA TC-P54V10"
    HorizSync       28.0 - 33.0
    VertRefresh     43.0 - 72.0
    Option         "DPMS" "false"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "MSI"
    BoardName      "NX8400GS TD512EH"

# this is so xrandr reports the correct refresh rate
    Option         "DynamicTwinView" "false"

EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Plasma 54in"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection
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