John K Pate <j.k.pate@sms.ed.ac.uk> writes: [...]
what does lsof /dev/snd/* say when you resme from pm-suspend?
Before I suspend: COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME pulseaudi 1321 xecycle 22u CHR 116,6 0t0 501 /dev/snd/controlC0 pulseaudi 1321 xecycle 27u CHR 116,6 0t0 501 /dev/snd/controlC0 After I resume: COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME pulseaudi 1321 xecycle 22u CHR 116,6 0t0 501 /dev/snd/controlC0 pulseaudi 1321 xecycle 27u CHR 116,6 0t0 501 /dev/snd/controlC0 After I resume and start pavucontrol: COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME pulseaudi 1321 xecycle 22u CHR 116,6 0t0 501 /dev/snd/controlC0 pulseaudi 1321 xecycle 27u CHR 116,6 0t0 501 /dev/snd/controlC0 Yes, as you see, they're perfectly the same. `diff -s` said so. Thank you. -- Carl Lei (XeCycle) Department of Physics, Shanghai Jiao Tong University OpenPGP public key: 7795E591 Fingerprint: 1FB6 7F1F D45D F681 C845 27F7 8D71 8EC4 7795 E591