[alsa-devel] 2.6.18 unknown symbol ksize error

[Takashi Iwai]

At Sun, 24 Jun 2012 03:56:51 +0200 (CEST),
Patrick Shirkey wrote:
> 
> 
> On Mon, June 18, 2012 11:33 am, Takashi Iwai wrote:
> > At Mon, 18 Jun 2012 10:25:06 +0200,
> > Clemens Ladisch wrote:
> >>
> >> Patrick Shirkey wrote:
> >> > I have compiled the latest stable alsa drivers against 2.6.18 kernel
> >> with
> >> > gcc-4.1.
> >> >
> >> > I am getting an error when I insert the sound card modules.
> >> >
> >> >     snd_rawmidi: Unknown symbol ksize
> >> >
> >> > As far as I can tell 2.6.18 has support for ksize so I am not sure
> >> where
> >> > this error is coming from.
> >>
> >> That kernel didn't export ksize.
> >>
> >> Try --with-debug=memory to get a separate allocator implementation.
> >
> > Indeed.  The patch below (untested) forces to enable
> > CONFIG_SND_DEBUG_MEMORY on older kernels.  Let me know if this helps.
> >
> 
> Seems to be worse now. Compiling with gcc-4.1 because that is the latest
> version of gcc we can get on this old system without having to go
> wholesale LFS on it. Upgrading alsa and jack is a big step for this
> machine. If this is in the too hard basket I'll compile a new kernel
> instead.
> 
> Now seeing the following errors from dmesg:
> 
> snd_hidden_kmalloc
> snd_timer: Unknown symbol snd_register_device_for_dev
...

Then try simple passing --with-debug=full configure option.


Takashi