I've run into a peculiar issue. Let me describe: (please read EDIT2 as it gives the most important piece of the situation)
On boot, from GRUB I pass argumentssnd_hda_intel.power_save=0 snd_hda_intel....
I'm using archlinux. It never auto-suspend before a recent system upgrade(maybe I updated the kernel?).
I think it is related to laptop-mode or acpid, so I stop them:
I'm trying to disable usb autosuspend for my wireless USB mouse:
I already put these values to /etc/...