Dne 17. 09. 20 v 21:13 Pavel Hofman napsal(a): > Hi, > > Dne 15. 09. 20 v 5:40 Go Peppy napsal(a): >> >> Just to remind what the issue is - while switching from one web radio >> station to another there is a high CPU usage for about 20 seconds. Because >> of that high CPU consumption almost all other processes are blocked. > > 20 seconds is only due to 32bit kernel on RPi. On 64bit machines the > boundary value is usually many orders of magnitude larger, basically > making the method never finish. Could you try this patch? https://github.com/alsa-project/alsa-lib/commit/a6c8ac0c85ca1b16684a687c7000c73aa38b7776 It should prevent the big copies which are definitely nonsense and this change does not hide the real problem. Jaroslav > > With regards, > > Pavel. > -- Jaroslav Kysela <perex@xxxxxxxx> Linux Sound Maintainer; ALSA Project; Red Hat, Inc.