On Sat, Apr 14, 2018 at 11:55:23AM +0200, Alexandre Ratchov wrote: > On Tue, Apr 10, 2018 at 03:20:33PM +0200, Robert Klein wrote: > > Hi Daniel, > > > > On Wed, 4 Apr 2018 03:22:04 -0300 > > Daniel Bolgheroni <[email protected]> wrote: > > > > > Hi, > > > > > > audio is stuttering on media playback when run through sndiod. It's OK > > > without it. > > > > Maybe related. Yesterday I disabled webcam and microphone in BIOS on > > my X250. Then Video playback (audio and video) was stuttering. I > > didn't investigate further, as: reverting BIOS settings made it Ok > > again. > > Thanks. Few notes for the mailing-list archives: > > Certains laptops have a "disable microphone" knob in the BIOS which > makes the device operate play-only, but it still reports full-duplex > capability. This confuses any full-duplex program, including sndiod, > and makes sound stutter. I've found no way to detect this situation. > > Until we manage to properly detect it in the azalia driver, I'd > suggest not using the BIOS knob (ie keep your microphone enabled). To > disable it, run as root: > > chmod 600 /dev/audio[0-9]
As noted by florian@, the proper mode is 0622 (write-only, i.e. play-only). thanks.

