memos?
This commit is contained in:
@@ -41,7 +41,7 @@ if type -q fzf
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# fyi: fuzzy yay install
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function fyi
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set -l pkg (yay -Sl | awk '{print $2}' | fzf -m --preview 'yay -Si {}' $argv)
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set -l pkg (yay -Sl | awk '{print $1"/"$2}' | fzf -m --preview 'yay -Si {}' $argv)
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if test -n "$pkg"
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yay -S $pkg
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end
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@@ -1,4 +1,4 @@
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WM 下 Dolphin 的前景色可能会很奇怪，在 .config/dolphinrc 中添加以下内容可以解决：
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不在 KDE 中运行 Dolphin 时前景色可能会很奇怪，在 .config/dolphinrc 中指定颜色主题可以解决：
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```conf
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[UiSettigs]
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@@ -1,4 +1,4 @@
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> from [linux-surface wiki](https://github.com/linux-surface/linux-surface/wiki/Installation-and-Setup)
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> from [linux-surface wiki](https://github.com/linux-surface/linux-surface/wiki/Installation-and-Setup#setting-your-clock-to-localtime-to-fix-dual-boot-time-skew)
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### Setting your clock to localtime to fix dual-boot time skew
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@@ -8,6 +8,7 @@ cause the time to skew. The easiest way to fix this is by configuring Linux to u
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```bash
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sudo timedatectl set-local-rtc 1
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```
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```bash
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sudo hwclock --systohc --localtime
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```
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103
memo/fontconfig.md
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103
memo/fontconfig.md
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@@ -0,0 +1,103 @@
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感觉不适合放到 stow 包里，毕竟这取决于系统上安装了哪些字体。那就放 memo 里好了。
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> path: `~/.config/fontconfig/fonts.conf`.
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```xml
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<?xml version='1.0'?>
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<!DOCTYPE fontconfig SYSTEM 'urn:fontconfig:fonts.dtd'>
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<fontconfig>
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<!--
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Artificial oblique for fonts without an italic or oblique version
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-->
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<match target="font">
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<!-- check to see if the font is roman -->
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<test name="slant">
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<const>roman</const>
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</test>
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<!-- check to see if the pattern requested non-roman -->
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<test compare="not_eq" name="slant" target="pattern">
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<const>roman</const>
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</test>
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<!-- multiply the matrix to slant the font -->
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<edit mode="assign" name="matrix">
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<times>
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<name>matrix</name>
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<matrix>
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<double>1</double>
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<double>0.2</double>
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<double>0</double>
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<double>1</double>
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</matrix>
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</times>
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</edit>
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<!-- pretend the font is oblique now -->
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<edit mode="assign" name="slant">
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<const>oblique</const>
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</edit>
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<!-- and disable embedded bitmaps for artificial oblique -->
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<edit mode="assign" name="embeddedbitmap">
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<bool>false</bool>
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</edit>
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</match>
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<!--
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Synthetic emboldening for fonts that do not have bold face available
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-->
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<match target="font">
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<!-- check to see if the weight in the font is less than medium which possibly need emboldening -->
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<test compare="less_eq" name="weight">
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<const>medium</const>
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</test>
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<!-- check to see if the pattern requests bold -->
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<test compare="more_eq" name="weight" target="pattern">
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<const>bold</const>
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</test>
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<!--
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set the embolden flag
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needed for applications using cairo, e.g. gucharmap, gedit, ...
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-->
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<edit mode="assign" name="embolden">
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<bool>true</bool>
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</edit>
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<!--
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set weight to bold
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needed for applications using Xft directly, e.g. Firefox, ...
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-->
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<edit mode="assign" name="weight">
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<const>bold</const>
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</edit>
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</match>
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<alias>
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<family>sans-serif</family>
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<prefer>
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<family>Noto Sans</family>
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<family>Noto Sans CJK SC</family>
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<family>Noto Sans CJK JP</family>
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<family>Noto Sans CJK KR</family>
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<family>Maple Mono NF CN</family>
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</prefer>
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</alias>
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<alias>
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<family>serif</family>
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<prefer>
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<family>Noto Serif</family>
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<family>Noto Serif CJK SC</family>
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<family>Noto Serif CJK JP</family>
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<family>Noto Serif CJK KR</family>
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<family>Maple Mono NF CN</family>
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</prefer>
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</alias>
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<alias>
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<family>monospace</family>
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<prefer>
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<family>Maple Mono NF CN</family>
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<family>Noto Sans Mono</family>
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<family>Noto Sans Mono CJK SC</family>
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<family>Noto Sans Mono CJK JP</family>
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<family>Noto Sans Mono CJK KR</family>
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</prefer>
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</alias>
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</fontconfig>
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```
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@@ -1,12 +0,0 @@
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# copy result to clipboard
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fzf | {clipboard manager} # e.g. wl-copy / win32yank.exe -i
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# do not sort results
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fzf +s
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# preview results in a preview window
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fzf --preview 'cat {}'
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fzf --preview 'bat --color=always {}' # for better syntax highlighting
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# select multiple items with tab
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fzf -m
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5
memo/grub-install-id.md
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5
memo/grub-install-id.md
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@@ -0,0 +1,5 @@
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在执行 grub-install 时，会有一个参数 `--bootloader-id=` 指定引导的名称，虽然都说随便写，但是同一个设备上的两个引导不能使用相同的名称，否则会冲突。
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警钟长鸣。
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（就这个问题居然让我排查了半下午，天）
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156
memo/sddm-blank.md
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156
memo/sddm-blank.md
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@@ -0,0 +1,156 @@
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## What
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> kernel: `Linux 6.17.7-5-cachyos`
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> nvidia-driver: `cachyos-v3/nvidia-open-dkms 580.105.08-3`
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> sddm: `cachyos-v3/sddm 0.21.0-8`
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SDDM shows a blank screen (only with mouse cursor and tty cursor) after booting into graphical target, but starts normally after restarting the SDDM service.
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## Why
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SDDM starts before the NVIDIA driver is fully initialized, causing the greeter to fail to display properly.
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<details>
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<summary>evidence</summary>
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- Logs after booting (many unrelated lines omitted):
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```log
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...(maybe unrelated lines)...
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systemd[1]: Started Simple Desktop Display Manager.
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kernel: NVRM: testIfDsmSubFunctionEnabled: GPS ACPI DSM called before _acpiDsmSupportedFuncCacheInit subfunction = 11.
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kernel: bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
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sddm[878]: Initializing...
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sddm[878]: Starting...
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sddm[878]: Logind interface found
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sddm[878]: Adding new display...
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sddm[878]: Loaded empty theme configuration
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sddm[878]: Xauthority path: "/run/sddm/xauth_yQfUmV"
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sddm[878]: Using VT 2
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sddm[878]: Display server starting...
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sddm[878]: Writing cookie to "/run/sddm/xauth_yQfUmV"
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sddm[878]: Running: /usr/bin/X -nolisten tcp -background none -seat seat0 vt2 -auth /run/sddm/xauth_yQfUmV -noreset -displayfd 16
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systemd[1]: Starting Authorization Manager...
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kernel: nvidia-modeset: WARNING: GPU:0: Unable to read EDID for display device DP-4
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kernel: nvidia-modeset: WARNING: GPU:0: Unable to read EDID for display device DP-4
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systemd[1]: Started Authorization Manager.
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kernel: [drm] Initialized nvidia-drm 0.0.0 for 0000:01:00.0 on minor 0
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systemd[1]: Started Power Profiles daemon.
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systemd[1]: Reached target Graphical Interface.
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kernel: nvidia 0000:01:00.0: [drm] Cannot find any crtc or sizes
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systemd[1]: Startup finished in 5.795s (firmware) + 7.387s (loader) + 1.169s (kernel) + 2.477s (initrd) + 3.421s (userspace) = 20.251s.
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systemd[1]: Starting Load/Save Screen Backlight Brightness of backlight:nvidia_0...
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systemd[1]: Finished Load/Save Screen Backlight Brightness of backlight:nvidia_0.
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sddm[878]: Setting default cursor
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sddm[878]: Running display setup script "/usr/share/sddm/scripts/Xsetup"
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sddm[878]: Display server started.
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sddm[878]: Socket server starting...
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sddm[878]: Socket server started.
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sddm[878]: Loading theme configuration from "/usr/share/sddm/themes/sugar-candy/theme.conf"
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sddm[878]: Greeter starting...
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sddm-helper[1006]: [PAM] Starting...
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sddm-helper[1006]: [PAM] Authenticating...
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sddm-helper[1006]: [PAM] returning.
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sddm-helper[1006]: pam_unix(sddm-greeter:session): session opened for user sddm(uid=950) by (uid=0)
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systemd[1]: Created slice User Slice of UID 950.
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systemd[1]: Starting User Runtime Directory /run/user/950...
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systemd-logind[773]: New session 'c1' of user 'sddm' with class 'greeter' and type 'x11'.
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systemd[1]: Finished User Runtime Directory /run/user/950.
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systemd[1]: Starting User Manager for UID 950...
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(systemd)[1015]: pam_warn(systemd-user:setcred): function=[pam_sm_setcred] flags=0x8002 service=[systemd-user] terminal=[] user=[sddm] ruser=[<unknown>] rhost=[<unknown>]
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(systemd)[1015]: pam_unix(systemd-user:session): session opened for user sddm(uid=950) by sddm(uid=0)
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systemd-logind[773]: New session '1' of user 'sddm' with class 'manager-early' and type 'unspecified'.
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systemd[1015]: Queued start job for default target Main User Target.
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systemd[1015]: Created slice User Application Slice.
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systemd[1015]: Startup finished in 139ms.
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systemd[1]: Started User Manager for UID 950.
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systemd[1]: Started Session c1 of User sddm.
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sddm-helper[1006]: Writing cookie to "/tmp/xauth_FfqCDd"
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sddm-helper[1006]: Starting X11 session: "" "/usr/bin/sddm-greeter --socket /tmp/sddm-:0-HQDlHk --theme /usr/share/sddm/themes/sugar-candy"
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sddm[878]: Greeter session started successfully
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...(maybe unrelated lines)...
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```
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Although the greeter session started successfully, it is not able to display anything due to `nvidia 0000:01:00.0: [drm] Cannot find any crtc or sizes`, resulting in a blank screen.
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- Logs after restarting sddm.service:
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```log
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...(maybe unrelated lines)...
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systemd[1]: Started Simple Desktop Display Manager.
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sudo[1123]: pam_unix(sudo:session): session closed for user root
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sddm[1150]: Initializing...
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sddm[1150]: Starting...
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sddm[1150]: Logind interface found
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sddm[1150]: Adding new display...
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sddm[1150]: Loaded empty theme configuration
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sddm[1150]: Xauthority path: "/run/sddm/xauth_XyLFOm"
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sddm[1150]: Using VT 1
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sddm[1150]: Display server starting...
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sddm[1150]: Writing cookie to "/run/sddm/xauth_XyLFOm"
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sddm[1150]: Running: /usr/bin/X -nolisten tcp -background none -seat seat0 vt1 -auth /run/sddm/xauth_XyLFOm -noreset -displayfd 16
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sddm[1150]: Setting default cursor
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sddm[1150]: Running display setup script "/usr/share/sddm/scripts/Xsetup"
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sddm[1150]: Display server started.
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sddm[1150]: Socket server starting...
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sddm[1150]: Socket server started.
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sddm[1150]: Loading theme configuration from "/usr/share/sddm/themes/sugar-candy/theme.conf"
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sddm[1150]: Greeter starting...
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sddm-helper[1217]: [PAM] Starting...
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sddm-helper[1217]: [PAM] Authenticating...
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sddm-helper[1217]: [PAM] returning.
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sddm-helper[1217]: pam_unix(sddm-greeter:session): session opened for user sddm(uid=950) by (uid=0)
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systemd-logind[773]: New session 'c2' of user 'sddm' with class 'greeter' and type 'x11'.
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systemd[1]: Started Session c2 of User sddm.
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sddm-helper[1217]: Writing cookie to "/tmp/xauth_Qghqzs"
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sddm-helper[1217]: Starting X11 session: "" "/usr/bin/sddm-greeter --socket /tmp/sddm-:0-YHEwdP --theme /usr/share/sddm/themes/sugar-candy"
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sddm[1150]: Greeter session started successfully
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...(maybe unrelated lines)...
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```
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</details>
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## How
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The key is to avoid the timing race between nvidia init and sddm start. There are multiple ways to achieve this, two for example:
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### Early KMS:
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As described in [Hyprland WIKI](https://wiki.hypr.land/Nvidia/#early-kms-modeset-and-fbdev), this ensures that the NVIDIA driver is loaded in the initramfs and is ready before SDDM starts.
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1. enable `modset` in kernel parameters (e.g. in `/etc/default/grub`):
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```
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GRUB_CMDLINE_LINUX_DEFAULT="... nvidia-drm.modeset=1 ..."
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```
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and update grub:
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```sh
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sudo grub-mkconfig -o /boot/grub/grub.cfg
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```
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2. specify early loaded modules in `/etc/mkinitcpio.conf`:
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```
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MODULES=(... nvidia nvidia_modeset nvidia_uvm nvidia_drm ...)
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```
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and regenerate initramfs:
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```sh
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sudo mkinitcpio -P
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```
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3. reboot
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### Delay starting SDDM:
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`sudo systemctl edit sddm.service`
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```ini
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[Service]
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ExecStartPre=/bin/sleep 2
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```
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should also do the trick, but less elegant.
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@@ -1,4 +1,4 @@
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当安装了其他 notification manager 时，plasma 在启动时可能会选择错误的 notification manager 导致通知中心无法正常工作 <s>(虽然平时也并不怎么在意这玩意，用什么 daemon 都无所谓，只要有通知看就行)</s>
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当安装了其他通知服务时，plasma 在启动时可能会选择错误的通知服务导致通知中心无法正常工作 <s>(虽然平时也并不怎么在意这玩意，用什么 daemon 都无所谓，只要有通知看就行)</s>
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如何知道是否是这种情况呢？以 mako 为例：
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@@ -21,15 +21,11 @@
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```
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那就是这种情况了。
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解决方法也很简单，启动时屏蔽掉错误的服务，例如：
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```sh
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systemctl --user mask mako.service
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```
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或者将 plasmashell 的 notificationmanager 优先级提高：
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解决方法之一，将 plasma 的通知服务的优先级提高：
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```sh
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mkdir -p ~/.local/share/dbus-1/services/
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ln -s /usr/share/dbus-1/services/org.kde.plasma.Notifications.service ~/.local/share/dbus-1/services/org.kde.plasma.Notifications.service
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```
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或者放到 `/usr/local/share/dbus-1/services/` 也可以提高优先级。
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Reference in New Issue
Block a user