Bug#764095: Works in 3.2.63, doesn't in 3.9 onwards

So I forward-ported the wheezy 3.2 kernel package and confirmed that the sound works fine in it. With the 3.9 package the sound disappears as described above, though without that "perf interrup" message. The same goes for 3.10 and 3.14 (all kernels were from the Debian packages).

Bug#764095: linux-image-3.16-2-amd64: sound stops after "perf interrupt took too long"

Package: src:linux Version: 3.16.3-2 Severity: normal I'm not sure whether to report this here, or to alsa or what. Ever since upgrading to jessie/testing, sound output will suddenly stop from time to time. It only comes back after reloading the module, snd_hda_intel . It seems that, every time