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編輯：

tag-icon • tag-icon ubuntu x11 nvidia graphics
編輯：

我有一台帶有兩個 GPU（Intel HD4600、Nvidia GTX850M）的筆記型電腦，它使用 GRUB 與 Windows 10 一起運行 Ubuntu（沒有問題）。

我已經安裝了nvidia-355，但由於不好的經歷而沒有安裝bumblebee（從來沒有讓它工作/它或我破壞了安裝）。

問題：

當我有繁重的圖形負載時，與顯示/圖形相關的東西會崩潰，並且我看到啟動訊息的一部分短暫閃爍，然後我再次進入登入畫面。

列出兩個 GPU 的 lscpi 輸出

00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
01:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 850M] (rev a2)

dmesg 輸出

[ 3266.232929] NVRM: GPU at PCI:0000:01:00: GPU-d1657723-9e43-04db-5cdc-6df0c522eb41
[ 3266.232946] NVRM: Xid (PCI:0000:01:00): 13, Graphics Exception on GPC 0: 3D-C MEMLAYOUT Violation. Coordinates: (0xe0, 0x0)
[ 3266.232954] NVRM: Xid (PCI:0000:01:00): 13, Graphics Exception: ESR 0x500420=0x80000400 0x500434=0xe0 0x500438=0x3d00 0x50043c=0x310000

這樣的動作重複了一百次。

我這個週末搞砸了xorg.conf，以前看起來像這樣：

Section "ServerLayout"
    Identifier "layout"
    Screen 0 "nvidia"
    Inactive "intel"
EndSection

Section "Device"
    Identifier "intel"
    Driver "intel"
    BusID "PCI:0@0:2:0"
    Option "AccelMethod" "SNA"
EndSection

Section "Screen"
    Identifier "intel"
    Device "intel"
EndSection

Section "Device"
    Identifier "nvidia"
    Driver "nvidia"
    BusID "PCI:1@0:0:0"
    Option "ConstrainCursor" "off"
EndSection

Section "Screen"
    Identifier "nvidia"
    Device "nvidia"
    Option "AllowEmptyInitialConfiguration" "on"
    Option "IgnoreDisplayDevices" "CRT"
EndSection

我嘗試更改的任何內容都會在下次啟動或圖形登入時被覆蓋。
我添加nogpumanager到我的啟動選項並讓 Nvidia X 伺服器設定為我產生此配置：

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings:  version 361.18  (buildd@lcy01-23)  Thu Jan 14 12:00:04 UTC 2016

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
    Option         "Xinerama" "0"
EndSection

Section "Files"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nouveau"
#edit, i had to change ^ nvidia to nouveau in order for gui to start
    BusID          "PCI:1@0:0:0"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    DefaultDepth    24
    Option         "UseDisplayDevice" "none"
    SubSection     "Display"
        Virtual     1920 1080
        Depth       24
    EndSubSection
EndSection

不知怎的，它在啟動時沒有被覆蓋。

是什麼導致我的體驗不那麼順利？

圖形驅動程式、驅動程式配置以及可能阻止我啟動到 GUI 的東西都不是我的強項，所以我只願意嘗試在出現問題時可以恢復的東西。

我知道的：

  • 在沒有該標誌的情況下啟動nogpumanager會將我的 xorg.conf 恢復為預設值。
  • 使用 nvidia 驅動程式而不是 nouveau 將阻止啟動到 GUI。

編輯：

我嘗試重現該問題，但發生了其他情況。打開幾個程式後，圖形使用者介面在 alt-tab 上凍結並變成一片漆黑。程式中的任何聲音都沒有停止，而且我能夠存取 TTY。我需要重新啟動 lightdm 才能返回 GUI。

~/.xsession-errors （完整輸出，只有兩行​​）：

openConnection: connect: No such file or directory
cannot connect to brltty at :0

/var/log/Xorg.0.log.old（從黑屏）：

NVIDIA(0): Setting mode "NULL"從到 的部分reuse xkmfile /var/lib/xkb/server-7A...在那裡是因為我從 gui (tty7) 切換到 tty2。

[  1485.990] (II) NVIDIA(0): Setting mode "NULL"
[  1485.990] (II) intel(G0): switch to mode [email protected] on eDP1 using pipe 0, position (0, 0), rotation normal, reflection none
[  1486.072] (--) synaptics: ETPS/2 Elantech Touchpad: touchpad found
[  1486.128] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1486.137] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1486.144] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1486.148] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1486.159] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1486.168] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1486.176] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1486.182] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1523.369] (II) NVIDIA(0): Setting mode "NULL"
[  1523.370] (II) intel(G0): switch to mode [email protected] on eDP1 using pipe 0, position (0, 0), rotation normal, reflection none
[  1523.460] (--) synaptics: ETPS/2 Elantech Touchpad: touchpad found
[  1523.511] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1523.518] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1523.523] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1523.533] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1523.542] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1523.551] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1523.559] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1523.567] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1533.636] (II) NVIDIA(0): Setting mode "NULL"
[  1533.636] (II) intel(G0): switch to mode [email protected] on eDP1 using pipe 0, position (0, 0), rotation normal, reflection none
[  1533.724] (--) synaptics: ETPS/2 Elantech Touchpad: touchpad found
[  1533.775] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1533.782] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1533.791] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1533.797] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1533.807] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1533.815] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1533.821] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1533.830] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1592.439] (II) NVIDIA(0): Setting mode "NULL"
[  1592.440] (II) intel(G0): switch to mode [email protected] on eDP1 using pipe 0, position (0, 0), rotation normal, reflection none
[  1592.520] (--) synaptics: ETPS/2 Elantech Touchpad: touchpad found
[  1592.576] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1592.582] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1592.592] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1592.599] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1592.607] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1592.615] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1592.622] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1592.632] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1614.636] (II) NVIDIA(0): Setting mode "NULL"
[  1614.636] (II) intel(G0): switch to mode [email protected] on eDP1 using pipe 0, position (0, 0), rotation normal, reflection none
[  1614.932] (--) synaptics: ETPS/2 Elantech Touchpad: touchpad found
[  1615.010] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1615.018] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1615.028] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1615.034] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1615.044] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1615.053] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1615.061] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1615.068] (II) XKB: reuse xkmfile /var/lib/xkb/server-7A62FE502E17CBF754B0622983D8729CAFBF8366.xkm
[  1625.398] (EE) 
[  1625.398] (EE) Backtrace:
[  1625.399] (EE) 0: /usr/bin/X (xorg_backtrace+0x56) [0x563c7bd7f5a6]
[  1625.399] (EE) 1: /usr/bin/X (0x563c7bbcc000+0x1b7709) [0x563c7bd83709]
[  1625.399] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (0x7fa6e5f94000+0x352f0) [0x7fa6e5fc92f0]
[  1625.399] (EE) 3: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7fa6e1663000+0xb4d6e) [0x7fa6e1717d6e]
[  1625.399] (EE) 4: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7fa6e1663000+0x594ad) [0x7fa6e16bc4ad]
[  1625.399] (EE) 5: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7fa6e1663000+0x8d8ea) [0x7fa6e16f08ea]
[  1625.399] (EE) 6: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7fa6e1663000+0x5c3e16) [0x7fa6e1c26e16]
[  1625.399] (EE) 
[  1625.399] (EE) Segmentation fault at address 0x28
[  1625.399] (EE) 
Fatal server error:
[  1625.399] (EE) Caught signal 11 (Segmentation fault). Server aborting
[  1625.399] (EE) 
[  1625.399] (EE) 
Please consult the The X.Org Foundation support 
     at http://wiki.x.org
 for help. 
[  1625.399] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[  1625.399] (EE) 
[  1625.399] (EE) Server terminated with error (1). Closing log file.

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