On Wed, Jan 23, 2019 at 01:08:39 -0500, Mike Gerwitz wrote: > Right after sending this message, I recalled that I used powertop to do > "auto tuning". Sure enough, one of the lines was this: > > Good Autosuspend for USB device UHCI Host Controller [usb6] > > By disabling it, it runs this command: > > echo on > /sys/bus/usb/devices/usb6/power/control > > And it resolves my suspend issues on 4.20.3-gnu.
[...] > This bug can be closed. Sorry, I take that back. I could have sworn it did resolve the issue, but that does not seem to be the case. This seems unrelated to powertop; `auto' seems to be the default setting of /sys/bus/usb/devices/*/power/control, which is reset on reboot. In any case, setting it to `on' does not solve my suspend issue. It's not a hardware issue, because earlier kernel versions work just fine. I tried debugging this further, but even on a minimal Guix system, I cannot seem to work around the problem. Any advice, anyone? -- Mike Gerwitz
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