Debian: dmesg output contains “Error: Driver ‘pcspkr’ is already registered, aborting…”
解决方法： aptitude install alsa-base echo blacklist snd-pcsp >> /etc/modprobe.d/alsa-base-blacklist.conf 如果alsa-base-blacklist.conf文件里有blacklist snd-pcsp就不必执行echo了
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