没有声音：main.c：pa_pid_file_create() 失败

Question

我无法使用pulseaudioUbuntu 19.04，所以根本没有声音，我的笔记本电脑是 Lambda Tensorbook。谁能帮我解决这个“头痛”问题？提前致谢。

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x@x:~$ pulseaudio -vvv\nI: [pulseaudio] main.c: setrlimit(RLIMIT_NICE, (31, 31)) failed: Operation not permitted\nI: [pulseaudio] main.c: setrlimit(RLIMIT_RTPRIO, (9, 9)) failed: Operation not permitted\nD: [pulseaudio] core-rtclock.c: Timer slack is set to 50 us.\nD: [pulseaudio] core-util.c: RealtimeKit worked.\nI: [pulseaudio] core-util.c: Successfully gained nice level -11.\nI: [pulseaudio] main.c: This is PulseAudio 12.0-378-g02fc89\nD: [pulseaudio] main.c: Compilation host: x86_64-pc-linux-gnu\nD: [pulseaudio] main.c: Compilation CFLAGS:  -g -O0 -Wall -W -Wextra -pipe -Wno-long-long -Wno-overlength-strings -Wunsafe-loop-optimizations -Wundef -Wformat=2 -Wlogical-op -Wsign-compare -Wformat-security -Wmissing-include-dirs -Wformat-nonliteral -Wpointer-arith -Winit-self -Wdeclaration-after-statement -Wfloat-equal -Wmissing-prototypes -Wredundant-decls -Wmissing-declarations -Wmissing-noreturn -Wshadow -Wendif-labels -Wcast-align -Wstrict-aliasing -Wwrite-strings -Wno-unused-parameter -fno-common -fdiagnostics-show-option -fdiagnostics-color=auto\nD: [pulseaudio] main.c: Running on host: Linux x86_64 5.0.0-20-generic #21-Ubuntu SMP Mon Jun 24 09:32:09 UTC 2019\nD: [pulseaudio] main.c: Found 12 CPUs.\nI: [pulseaudio] main.c: Page size is 4096 bytes\nD: [pulseaudio] main.c: Compiled with Valgrind support: yes\nD: [pulseaudio] main.c: Running in valgrind mode: no\nD: [pulseaudio] main.c: Running in VM: no\nD: [pulseaudio] main.c: Running from build tree: no\nD: [pulseaudio] main.c: Optimized build: no\nD: [pulseaudio] main.c: All asserts enabled.\nI: [pulseaudio] main.c: Machine ID is a780a212b2e84b5f8f2f3abe253cfbbb.\nI: [pulseaudio] main.c: Session ID is 2.\nI: [pulseaudio] main.c: Using runtime directory /run/user/1000/pulse.\nI: [pulseaudio] main.c: Using state directory /home/x/.pulse.\nI: [pulseaudio] main.c: Using modules directory /usr/local/lib/pulse-12.0/modules.\nI: [pulseaudio] main.c: Running in system mode: no\nE: [pulseaudio] pid.c: Daemon already running.\nE: [pulseaudio] main.c: pa_pid_file_create() failed.\n\nx@x:~$ ps -ef | grep pulse\nx         2089  1604  0 6\xe6\x9c\x8830 ?       00:00:00 /usr/bin/pulseaudio --daemonize=no\nx         2318  2089  0 6\xe6\x9c\x8830 ?       00:00:00 /usr/lib/x86_64-linux-gnu/pulse/gsettings-helper\nx        31671 31664  0 09:11 pts/2    00:00:00 grep --color=auto pulse\n\nx@x:~$ snap list\nName  Version    Rev   Tracking  Publisher   Notes\ncore  16-2.39.2  7169  stable    canonical\xe2\x9c\x93  core\nvlc   3.0.7      1049  stable    videolan\xe2\x9c\x93   -\n

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Answer 1

如果您最近更新了pulseaudio或恢复了旧的主目录或配置文件，您可以尝试：

rm  ~/.config/pulse/*

这应该会删除您当前的pulseaudio默认值，这些默认值显然不起作用。

之后，请重新启动系统以构建新的pulseaudio配置文件。