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Kernel upgrade then sound stops working

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http://www.linuxquestions.org – Hi, I'm using Slackware64 13 and upgraded the kernel to 2.6.32.7 yesterday afternoon. The audio was working just fine in the previous kernel (2.6.29.6). The following error occurs on alsactl restore: Code: Unknown hardware: "HDA-Intel" "Realtek ALC1200" "HDA:10ec0888,103c2a66,00100101" "" "" Hardware is initialized using a guess method alsactl: set_control:1266: failed to obtain info for control #20 (No such file or directory) alsactl: set_control:1266: failed to obtain info for control #21 (No such file or directory) lsmod|grep snd: Code: snd_hda_codec_realtek  245192  1 snd_hda_intel          19602  0 snd_hda_codec          51831  2 snd_hda_codec_realtek,snd_hda_intel snd_hwdep              5924  1 snd_hda_codec snd_pcm                68864  2 snd_hda_intel,snd_hda_codec snd_timer              17678  1 snd_pcm snd                    52070  6 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer soundcore              5455  1 snd snd_page_alloc          6905  2 snd_hda_intel,snd_pcm lspci -v Code: 00:05.0 Audio device: nVidia Corporation MCP61 High Definition Audio (rev a2)         Subsystem: Hewlett-Packard Company Device 2a66                              Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 23                    Memory at fe028000 (32-bit, non-prefetchable) [size=16K]                    Capabilities: [44] Power Management version 2                                Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+                  Capabilities: [6c] HyperTransport: MSI Mapping Enable- Fixed+                Kernel driver in use: HDA Intel                                              Kernel modules: snd-hda-intel I also installed the latest alsa-drivers package but that didn't seem to have any effect. (HowTos)

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Submitted by jiqi2 on 02/09/2010 – Made popular on 02/09/2010

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