Re: Modpost error after changing CONFIG_SOUND from m to y

From: Randy Dunlap
Date: Mon Jul 12 2010 - 13:04:08 EST


On Mon, 12 Jul 2010 05:54:16 +0200 Denys Vlasenko wrote:

> Hi,
>
> I was using the same .config for my home machine for a long time,
> updating it using "make oldconfig" every time I moved to newer kernel.
> It worked fine for many kernels.
>
> In this .config I had CONFIG_SOUND=m.
>
> Starting witn 2.6.34, build fails with
>
> sound/core/sound_oss.c:25:2: error: #error "Enable the OSS soundcore multiplexer (CONFIG_SOUND) in the kernel."
>
> Ok. I changed CONFIG_SOUND to y. Now the build fails at modpost:

Hi,
I can't get the build to fail (2.6.34 or 2.6.35-rc4-git4).
Please provide a full/complete .config file (and that will include a
kernel version number :).


> Kernel: arch/x86/boot/bzImage is ready (#3)
> Building modules, stage 2.
> MODPOST 609 modules
> ERROR: "snd_hda_build_controls" [sound/pci/hda/snd-hda-intel.ko] undefined!
> ERROR: "snd_hda_resume" [sound/pci/hda/snd-hda-intel.ko] undefined!
> ERROR: "snd_hda_suspend" [sound/pci/hda/snd-hda-intel.ko] undefined!
> ERROR: "snd_hda_codec_configure" [sound/pci/hda/snd-hda-intel.ko] undefined!
> ERROR: "snd_hda_calc_stream_format" [sound/pci/hda/snd-hda-intel.ko] undefined!
> ERROR: "snd_hda_queue_unsol_event" [sound/pci/hda/snd-hda-intel.ko] undefined!
> ERROR: "snd_hda_bus_reboot_notify" [sound/pci/hda/snd-hda-intel.ko] undefined!
> ERROR: "snd_hda_codec_new" [sound/pci/hda/snd-hda-intel.ko] undefined!
> ERROR: "snd_hda_build_pcms" [sound/pci/hda/snd-hda-intel.ko] undefined!
> ERROR: "snd_hda_bus_new" [sound/pci/hda/snd-hda-intel.ko] undefined!
> ERROR: "snd_hda_multi_out_dig_prepare" [sound/pci/hda/snd-hda-codec-via.ko] undefined!
> ERROR: "snd_hda_input_mux_info" [sound/pci/hda/snd-hda-codec-via.ko] undefined!
>
> ... lots and lots of similar messages...
>
> ERROR: "snd_hda_set_vmaster_tlv" [sound/pci/hda/snd-hda-codec-analog.ko] undefined!
> ERROR: "snd_hda_bind_vol" [sound/pci/hda/snd-hda-codec-analog.ko] undefined!
> ERROR: "snd_hda_codec_read" [sound/pci/hda/snd-hda-codec-analog.ko] undefined!
> ERROR: "snd_hda_codec_amp_read" [sound/pci/hda/snd-hda-codec-analog.ko] undefined!
> ERROR: "snd_hda_add_new_ctls" [sound/pci/hda/snd-hda-codec-analog.ko] undefined!
> ERROR: "snd_hda_codec_amp_update" [sound/pci/hda/snd-hda-codec-analog.ko] undefined!
> ERROR: "snd_hda_shutup_pins" [sound/pci/hda/snd-hda-codec-analog.ko] undefined!
> WARNING: modpost: Found 4 section mismatch(es).
> To see full details build your kernel with:
> 'make CONFIG_DEBUG_SECTION_MISMATCH=y'
> make[1]: *** [__modpost] Error 1
> make: *** [modules] Error 2
>
> I tried switching some other things to y but the error
> proves pretty resilient...
>
> Result of "grep ^CONFIG .config" is below:

[snip]

---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
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