[alsa-devel] [REGRESSION] alsa PM regression in 3.15*, hda intel, realtek codec

[Takashi Iwai]

At Sat, 10 May 2014 11:17:45 +0200,
Knut Petersen wrote:
> 
> S3 suspend / resume cycle works on kernels up to 3.14.x as expected.
> With kernels 3.15.0-rc2 it's necessary to reload the alsa modules as sound stays silent otherwise.
> 
> Hardware: AOpen i915GMm-hfs mobo, hda intel sound with realtek codec.
> 
> 00:1b.0 Audio device: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller (rev 04)
>          Subsystem: AOPEN Inc. Device 0560
>          Flags: bus master, fast devsel, latency 0, IRQ 46
>          Memory at d5440000 (64-bit, non-prefetchable) [size=16K]
>          Capabilities: [50] Power Management version 2
>          Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
>          Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
>          Capabilities: [100] Virtual Channel
>          Capabilities: [130] Root Complex Link
>          Kernel driver in use: snd_hda_intel
>          Kernel modules: snd_hda_intel
> 
> Is this regression known or should I bisect?

I don't know of any 3.15 bugs regarding HD-audio PM yet, so please
bisect.


thanks,

Takashi