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Old 03-20-2011, 09:47 AM   #1
Registered: Jun 2005
Location: Fargo, North Dakota
Distribution: Debian Testing
Posts: 242

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Question [SOLVED] Why Did Kernel Upgrade Mess With ALSA Volume Settings?

audio chipset: HDA NVidia ALC888 Analog/Digital
old-kernel: 2.6.37 (custom compile of Debian kernel)
new-kernel: 2.6.38 (custom compile of Debian kernel)
Both kernels have the same configuration

1:Sound was working fine under old-kernel.

2:Rebooted into new-kernel, maximum audio volume was around epsilon.

3:Rebooted into old-kernel, maximum audio volume was now around epsilon.

4:Mild profanity

5:Rebooted, yet again, into new kernel.

6:Used alsamixer to make audio volume OK again.

7:Now I'm happy.

So, what's up with this?
The 2.6.38 changelog did mention some ALSA stuff related to some Nvidia chipsets, but I don't have the background to figure this stuff out. Did the 2.6.38 kernel itself change ALSA settings, or was it gremlins?
Old 03-22-2011, 09:12 AM   #2
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Registered: May 2004
Location: Belgium
Distribution: Debian, Slackware, Fedora
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Originally Posted by kevinbenko View Post
So, what's up with this?
Why did you expect different behavior?


audio, kernel

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