本帖最后由 choefeng 于 2020-3-27 14:06 编辑

戴尔G3 3579    i5 8300H + UHD630 + GTX1050Ti
deepin 15.11版本
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用显卡驱动管理器切换大黄蜂方案切换成功，但用命令optirun时，报错找不到独显

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choefeng@choefeng-PC:~$ primusrun glxgears
/usr/bin/primusrun:行41: 警告:command substitution: ignored null byte in input
/usr/bin/primusrun: 第 52 行:exec: glxgears: 未找到
choefeng@choefeng-PC:~$ optirun glxgears -info

[   86.988206] [ERROR]Cannot access secondary GPU - error: Could not enable discrete graphics card

[   86.988238] [ERROR]Aborting because fallback start is disabled.
choefeng@choefeng-PC:~$
choefeng@choefeng-PC:~$  cat /proc/acpi/bbswitch
0000:01:00.0 OFF
choefeng@choefeng-PC:~$ tee /proc/acpi/bbswitch << tee: /proc/acpi/bbswitch: 权限不够
ON
choefeng@choefeng-PC:~$ sudo tee /proc/acpi/bbswitch << [sudo] choefeng 的密码：
ON
choefeng@choefeng-PC:~$ cat /proc/acpi/bbswitch
0000:01:00.0 OFF
choefeng@choefeng-PC:~$ cat /proc/acpi/bbswitch
0000:01:00.0 OFF
choefeng@choefeng-PC:~$ sudo tee /proc/acpi/bbswitch << ON
choefeng@choefeng-PC:~$
choefeng@choefeng-PC:~$ dmesg |tail -1
[  433.139239] iwlwifi 0000:00:14.3: Unhandled alg: 0x707
choefeng@choefeng-PC:~$ xrandr --listproviders
Providers: number : 1
Provider 0: id: 0x45 cap: 0xf, Source Output, Sink Output, Source Offload, Sink Offload crtcs: 3 outputs: 3 associated providers: 0 name:modesetting
choefeng@choefeng-PC:~$ optirun android-studio
[ 1805.147198] [ERROR]Cannot access secondary GPU - error: Could not enable discrete graphics card

[ 1805.147257] [ERROR]Aborting because fallback start is disabled.


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