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Re: F10: new kernel breaks audio (snd-hda-intel)



stan wrote:
Alfredo Ferrari wrote:
Hi

I have a Dell D830, with F10 fully up-to-date. The kernel update of two days ago (2.6.27.9-159.fc10) has broken audio on this machine.

If I reboot on the previous kernel, 2.6.27.7-134.fc10, audio works like a charm. With the new kernel everything works with no error message, however no sound is output, like the volume is muted or set to very low values. I have checked all volume sliders, both for pulseaudio and alsa and all of them are at maximum and unmuted. I am using the PAE kernel if that matters.

The audio driver is snd-hda-intel, and the output of lspci -v reads:

00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
         Subsystem: Dell Device 01fe
        Flags: bus master, fast devsel, latency 0, IRQ 21
        Memory at f6ffc000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: [50] Power Management version 2
Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Count=1/1 Enable- Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
        Capabilities: [100] Virtual Channel <?>
        Capabilities: [130] Root Complex Link <?>
        Kernel driver in use: HDA Intel
        Kernel modules: snd-hda-intel

Is anybody else having the same problem?

                            Thanks
                        Alfredo Ferrari

I didn't have exactly that problem with the 159 kernel. I was able to play sound but it was slowed down by about 1/3 to 1/2. I couldn't find a reason, and wasn't sure it was the kernel, but when I, like you, reverted to the 134 kernel sound began working just fine. I don't use pulseaudio.

The 159 kernel seemed to work fine other than that.

I can report another issue with the snd-hda-intel driver....I am using a Dell Vostro 1400 laptop and using the 159 kernel the lineout does not work. If the speakers are plugged in, there is no sound whatsoever and I checked every possible mixer setting. Unplugging the cable to the speakers, however, results in sound coming out of the laptop speakers after a noticeable pause. Reverting back to the 134 kernel, these issues go away.


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