On Wed May 15 12:12:12 EDT 2013, Sam Bliss <m13253@hotmail.com> wrote:
After upgrading to 3.9.2 kernel, the sound did not work. However, the system CAN recognize my sound card, and my sound card appeared in `alsamixer` Downgrading the kernel can solve the problem. Providing more info: Acer Aspire laptop, with Intel i5 CPU, 2nd generation SandyBridge. `uname -a`:
Linux brilliant-laptop 3.9.2-1-ARCH #1 SMP PREEMPT Sat May 11 20:31:08 CEST 2013 x86_64 GNU/Linux `lspci | grep Audio`: 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04) `dmesg`: Pasted here: http://p.vim-cn.com/cbbcw `cat .pulse/daemon.pa`: default-sample-rate = 48000 alternate-sample-rate = 44100 default-sample-format = float32le `cat /etc/modprobe.d/alsa-base.conf`: options snd-hda-intel model=acer (This file aims to fix another bug. Trying to remove this file could not fix this problem. I paste this file only because it is related to sound.) `lsmod`: Pasted here: http://p.vim-cn.com/cbbcx
The problem will be fixed in 3.9.3 kernel and thanks for all your help! Link: https://bugzilla.kernel.org/show_bug.cgi?id=58351