Hi!
This issue has already been brought up by Chris Shen on Nov 8 2011. Quick reminder: I have 10 sound cards which need to have oss emulation enabled. However, I only see 8 devices (dsp-dsp7). Takashi suggested a patch to workaround this problem: http://mailman.alsa-project.org/pipermail/alsa-devel/2011-November/045764.ht... I've applied it to kernel 3.0.0 and the only result I get is message appearing in kernel logs: "unable to register OSS PCM device 8:0". I've done some debugging and the registration fails on these lines (sound/core/sound_oss.c): register1 = register_sound_special_device(f_ops, minor, carddev); if (register1 != minor) { snd_printk(KERN_ERR "OSS: 4, register1: %i, minor %i\n", register1, minor); goto __end; } the debug lines seem to be constant about the value of "register1" == -2. I would really appreciate any help with this problem and I will be glad to test any patches, that may solve the issue.