[Bug 296325] OSS: RODECaster 2 returns ENOSPC when opened with bitperfect=0
Date: Sat, 27 Jun 2026 16:42:42 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=296325
Bug ID: 296325
Summary: OSS: RODECaster 2 returns ENOSPC when opened with
bitperfect=0
Product: Base System
Version: 15.1-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: bugs@FreeBSD.org
Reporter: me@kuon.ch
I have a RODECaster 2 which I want to use with OSS.
It works with `sysctl dev.pcm.n.bitperfect=1` (with the bitperfect caveats) I
can then use pulseaudio or jack with it, but if I set bitperfect to 0, then
`open("/dev/dspN", O_WRONLY);` returns ENOSPC.
fuser shows no other process using the device
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