On Sun, Sep 28, 2008 at 03:41:56PM +0200, Sven Joachim wrote: > Somehow the snd-*-oss modules are not loaded at boot time:
This is due to a recent change in alsa-base:
| alsa-driver (1.0.17.dfsg-3) unstable; urgency=medium
|
| [ Elimar Riesebieter ]
| * /etc/modprobe.d/alsa-base: make sure oss compat modules aren't loaded via
| alsa-base (closes: #499695)
|
| [ Jordi Mallach ]
| * Make alsa-base Suggest: oss-compat to accommodate the previous change.
| If you need OSS devices, the "Debian way" is to install that package
| from now on (closes: #315455).
| * Update alsa-base.README with a short paragraph mentioning oss-compat.
|
| -- Jordi Mallach <[EMAIL PROTECTED]> Mon, 22 Sep 2008 19:35:58 +0200
Of course, the bug did exist before, but it didn't struck, because
alsa-base did care about loading oss-compat modules via:
| install snd-pcm /sbin/modprobe --ignore-install snd-pcm && { /sbin/modprobe
--quiet snd-pcm-oss ; : ; }
| install snd-mixer /sbin/modprobe --ignore-install snd-mixer && {
/sbin/modprobe --quiet snd-mixer-oss ; : ; }
| install snd-seq /sbin/modprobe --ignore-install snd-seq && { /sbin/modprobe
--quiet snd-seq-midi ; /sbin/modprobe --quiet snd-seq-oss ; : ; }
Now, when this has been removed, the bug strikes.
The problem is the behaviour of modprobe regarding `install' statements
for modules. Even though this is not well documented, while crawling
modprobe.c one can find that if multiple `install' directives exist for
one module, only the last one is executed.
Since alsa-base and oss-compat both provide `install snd ' directives,
and since modprobe opendir()'s /etc/modprobe.d, it's just a coin flip
which of the both files alsa-base and oss-compat is read last and which
line is thus executed.
I would suggest to anticipate the previous behaviour of alsa-base.
Patch attached.
Fee free to escalate this bug to module-init-tools due to the
packaging-unfriendly handling of modprobe.conf's `install' statements.
regards
Mario
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--- /etc/modprobe.d/oss-compat.orig 2006-08-28 19:19:06.000000000 +0200
+++ /etc/modprobe.d/oss-compat 2008-09-29 15:10:27.000000000 +0200
@@ -1 +1,3 @@
-install snd modprobe --ignore-install snd && modprobe snd-seq-oss && modprobe snd-mixer-oss && modprobe snd-pcm-oss
+install snd-pcm /sbin/modprobe --ignore-install snd-pcm $CMDLINE_OPTS && { /sbin/modprobe --quiet snd-pcm-oss ; : ; }
+install snd-mixer /sbin/modprobe --ignore-install snd-mixer $CMDLINE_OPTS && { /sbin/modprobe --quiet snd-mixer-oss ; : ; }
+install snd-seq /sbin/modprobe --ignore-install snd-seq $CMDLINE_OPTS && { /sbin/modprobe --quiet snd-seq-midi ; /sbin/modprobe --quiet snd-seq-oss ; : ; }
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