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我想在gentoo上做一個Jack-ALSA橋,但是我無法加載snd_aloop模塊。modprobe:錯誤:無法插入'snd_aloop':沒有這樣的設備
內核:
$ uname -a
Linux MalfattiTux 4.6.7-rt-rt11 #1 SMP Thu Sep 22 14:54:42 BRT 2016 x86_64 Intel(R) Core(TM) i7-4710HQ CPU @ 2.50GHz GenuineIntel GNU/Linux
snd_aloop編譯爲模塊:
$ cat /usr/src/linux-4.6.7-rt11/.config | grep ALOOP
CONFIG_SND_ALOOP=m
snd_aloop信息:
$ sudo modinfo snd_aloop
filename: /lib/modules/4.6.7-rt-rt11/kernel/sound/drivers/snd-aloop.ko
license: GPL
description: A loopback soundcard
author: Jaroslav Kysela <[email protected]>
depends: snd-pcm
intree: Y
vermagic: 4.6.7-rt-rt11 SMP mod_unload modversions
parm: index:Index value for loopback soundcard. (array of int)
parm: id:ID string for loopback soundcard. (array of charp)
parm: enable:Enable this loopback soundcard. (array of bool)
parm: pcm_substreams:PCM substreams # (1-8) for loopback driver. (array of int)
parm: pcm_notify:Break capture when PCM format/rate/channels changes. (array of int)
設置爲snd_aloop模塊:
$ cat /etc/modprobe.d/alsa.conf | grep aloop
options snd-aloop id=Loopback index=0 pcm_substreams=2 enable=1
alias snd-card-0 snd-aloop
個
音頻設備:
$ sudo lspci | grep -i audio
00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06)
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 05)
$ sudo lspci -k -s 00:03.0
00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06)
Subsystem: Lenovo Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
$ sudo lspci -k -s 00:1b.0
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 05)
Subsystem: Lenovo 8 Series/C220 Series Chipset High Definition Audio Controller
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
一切看起來正常。但是然後:
$ sudo modprobe snd_aloop
modprobe: ERROR: could not insert 'snd_aloop': No such device
我也嘗試編譯它不作爲一個模塊,但包括在內核中。然後,我有迴環設備,但我無法控制它們(例如像子流的數量)。
這個模塊在gentoo上需要什麼特定的設置嗎?
謝謝:)
這完美地回答了這個問題,非常感謝!只是一個小問題,我把模塊放在第一個例子中,並且回送設備仍然是最後一個卡。任何線索爲什麼這個命令沒有被遵守? – Malfatti
最後在'/ proc/asound/cards'?也許有些遺忘的'索引'選項。 –
是的,最後都在'/ proc/asound/cards'和'aplay -l'中。 '/ etc/modprobe.d/alsa.conf'中沒有索引...作爲解決方法,我爲每個條目添加了一個'id ='選項,現在我使用的是名稱而不是索引。再次感謝 :) – Malfatti