是笔记本电脑吗,若是,可以说很多fedora版本都会出现这个问题。我解决声音问题的方法是重装同alsa相关的驱动
在 2011年11月21日 下午10:34,Yu Chen<jcomee(a)gmail.xn--com>:-0s6m5392c
> 耳机,扬声器切换不是通过物理开关的吗?
>
>
> Yu
>
>
>
> 在 2011年11月21日 下午10:24,liaoyifei<lyfbuaa@163.com>写道:
>
>>
>> 插上耳机还是内置扬声器发声
>>
>> alsamixer 里MM也都取消试过,
>>
>> processor : 0
>> vendor_id : GenuineIntel
>> cpu family : 6
>> model : 42
>> model name : Intel(R) Core(TM) i5-2415M CPU @ 2.30GHz
>> stepping : 7
>> cpu MHz : 800.000
>> cache size : 3072 KB
>> physical id : 0
>> siblings : 4
>> core id : 0
>> cpu cores : 2
>> apicid : 0
>> initial apicid : 0
>> fpu : yes
>> fpu_exception : yes
>> cpuid level : 13
>> wp : yes
>>
>>
>> [@mylinux ~]$ head -1 /proc/asound/card0/codec#*
>> ==> /proc/asound/card0/codec#0<==
>> Codec: Cirrus Logic CS4206
>>
>> ==> /proc/asound/card0/codec#3<==
>> Codec: Intel CougarPoint HDMI
>>
>>
>>
>> [@mylinux ~]$ tail -100 /proc/asound/oss/sndstat
>> Sound Driver:3.8.1a-980706 (ALSA v1.0.24 emulation code)
>> Kernel: Linux mylinux 3.1.1-2.fc16.x86_64 #1 SMP Mon Nov 14 15:46:10 UTC
>> 2011 x86_64
>> Config options: 0
>>
>> Installed drivers:
>> Type 10: ALSA emulation
>>
>> Card config:
>> HDA Intel PCH at 0x90900000 irq 46
>>
>> Audio devices: NOT ENABLED IN CONFIG
>>
>> Synth devices: NOT ENABLED IN CONFIG
>>
>> Midi devices: NOT ENABLED IN CONFIG
>>
>> Timers:
>> 31: system timer
>>
>> Mixers: NOT ENABLED IN CONFIG
>>
>>
>> 如果执行:modprobe snd_pcm_oss
>>
>> 上面的Audio devices Mixers 会enable 但是问题依旧
>>
>>
>>
>> [@mylinux ~]$ cat /proc/asound/modules
>> 0 snd_hda_intel
>>
>>
>> [@mylinux ~]$ lspci |grep Audio
>> 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset
>> Family High Definition Audio Controller (rev 05)
>>
>> [@mylinux ~]$ lsmod |grep snd
>> snd_hda_codec_hdmi 23548 1
>> snd_hda_codec_cirrus 15200 1
>> snd_hda_intel 24072 4
>> snd_hda_codec 85181 3
>> snd_hda_codec_hdmi,snd_hda_codec_cirrus,snd_hda_intel
>> snd_hwdep 6264 1 snd_hda_codec
>> snd_seq 52186 0
>> snd_seq_device 5941 1 snd_seq
>> snd_pcm 78498 4
>> snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
>> snd_timer 19372 2 snd_seq,snd_pcm
>> snd 63124 16
>>
>
snd_hda_codec_hdmi,snd_hda_codec_cirrus,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,snd_pcm,snd_timer
>> soundcore 6267 1 snd
>> snd_page_alloc 7311 2 snd_hda_intel,snd_pcm
>>
>>
>> 加了下面配置(#号都轮流打开试过)问题依旧:
>> /etc/modprobe.d/alsa-base.conf
>>
>> #alias snd-card-0 snd-hda-intel
>> #alias sound-slot-0 snd-hda-intel
>> #enable_msi=1 position_fix=1
>> #options snd-hda-intel model=imac27
>> #options snd-hda-intel model=auto
>> #options snd-hda-intel enable_msi=1
>> #options snd-hda-intel enable=yes
>>
>>
>>
>>
>> --
>>
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>>
> --
>
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Best Regards,
Mike Manilone.