I found many references to similar problems but none are suitable in my case.
I know that I am using an old video card but it is understood to be supported. I think that the problem
is in the way the server starts and may be easy to work around. Details below.
The symptom is this:
- I start the computer (cold start)
Waking up from a hibernation does not have a problem
- I am presented with a login screen, and use it
- the screen freezes, no keyboard or mouse <<<<< the problem
- I kill Xorg (ssh from another machine) <<<<< the current ugly fix
- I am presented with a login screen, and use it
- my session starts and all is well
I investigated the matter and now think that I see a problem.
First, /var/log/Xorg.1.log (from the first attempt) ends with
[ 35.865] (II) NVIDIA(0): NVIDIA GPU GeForce 8600 GT (G84) at PCI:1:0:0 (GPU-0)
[ 35.865] (--) NVIDIA(0): Memory: 524288 kBytes
[ 35.865] (--) NVIDIA(0): VideoBIOS: 60.84.59.00.00
[ 35.865] (II) NVIDIA(0): Detected PCI Express Link width: 16X
[ 35.869] (EE) NVIDIA(GPU-0): EVO Push buffer channel allocation failed
[ 35.872] (EE) NVIDIA(GPU-0): Failed to allocate EVO core DMA push buffer
[ 35.873] (EE) NVIDIA(0): Failing initialization of X screen 0
...
[ 35.874] (EE) Server terminated with error (1). Closing log file.
(and I think that this is where the freeze comes from).
The second attempt shows no error. Looking at the timestamps one sees this:
Xorg.0.log Xorg.1.log
1st 19.310- 35.891 35.764- 35.874
[35.869] (EE) NVIDIA(GPU-0): EVO Push buffer channel allocation failed
2nd 502.160-516.936 517.023-519.530
It is clear that in the first attempt the second session starts (and fails) before the first one exits.
In the second case there is no overlap.
Is it possible that the overlap causes the error? Where can I put a (small) delay to test this
proposition and avoid the overlap? Or is there another way to avoid it?
I am on f26, using xfce wm (not that this should matter?). The driver:
(II) NVIDIA GLX Module 340.102 Mon Jan 16 12:37:38 PST 2017
(II) NVIDIA dlloader X Driver 340.102 Mon Jan 16 12:17:09 PST 2017
$ dnf list installed '*nvidia*'
akmod-nvidia-340xx.x86_64 1:340.102-4.fc26 @@commandline
kmod-nvidia-340xx-4.11.10-100.fc24.x86_64.x86_64 1:340.102-4.fc26 @@commandline
kmod-nvidia-340xx-4.11.12-100.fc24.x86_64.x86_64 1:340.102-4.fc26 @@commandline
kmod-nvidia-340xx-4.12.5-300.fc26.x86_64.x86_64 1:340.102-4.fc26 @@commandline
xorg-x11-drv-nvidia-340xx.x86_64 1:340.102-1.fc26 @@commandline
xorg-x11-drv-nvidia-340xx-kmodsrc.x86_64 1:340.102-1.fc26 @@commandline
xorg-x11-drv-nvidia-340xx-libs.x86_64 1:340.102-1.fc26 @@commandline
xorg-x11-drv-nvidia-kmodsrc.x86_64 2:375.66-7.fc26 @@commandline
TIA
--
Eyal Lebedinsky (fedora@xxxxxxxxxxxxxx)
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