Bug 104010 - Coolbits are not set for GPUDevice
Summary: Coolbits are not set for GPUDevice
Status: NEW
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/nVidia (proprietary) (show other bugs)
Version: unspecified
Hardware: x86-64 (AMD64) Linux (All)
: medium normal
Assignee: Aaron Plattner
QA Contact: Aaron Plattner
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2017-12-01 08:10 UTC by Alexander Tsidaev
Modified: 2017-12-01 08:10 UTC (History)
0 users

See Also:
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Attachments
xorg log file (35.41 KB, text/plain)
2017-12-01 08:10 UTC, Alexander Tsidaev 		no flags Details
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Description Alexander Tsidaev 2017-12-01 08:10:59 UTC 
Created attachment 135851 [details]
xorg log file

Our CUDA-powered scientific workstation uses 3 GPU (GeForce GTX TITAN X (GM200-A)). OS is Ubuntu 17.10. NVidia driver version is 384.90.
We want to use "Coolbits" option of proprietary driver to allow manual control of fan speed. But seems that xorg sends this option only to Device0.

$ cat /etc/X11/xorg.conf.d/10-gpu.conf
Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    Option         "Coolbits" "4"
    BusID          "PCI:1:0:0"
EndSection

Section "Device"
    Identifier     "Device1"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    Option         "Coolbits" "4"
    BusID          "PCI:2:0:0"
EndSection

Section "Device"
    Identifier     "Device2"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    Option         "Coolbits" "4"
    BusID          "PCI:3:0:0"
EndSection


$ cat /etc/X11/xorg.conf.d/20-screen.conf
Section "Screen"
    Identifier     "Screen0"

    Device         "Device0"
    GPUDevice      "Device1"
    GPUDevice      "Device2"

    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "Coolbits" "4"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection


$ grep -i coolbits /var/log/Xorg.0.log
[    10.187] (**) NVIDIA(0): Option "Coolbits" "4"

Full xorg log attached.

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