Am 19.12.2012 01:51, schrieb matt:

On 12/18/12 09:53, Master One wrote:

- CPU fan goes to maximum after booting
- "shutdown -p now" completes the shutdown process, turns off the
screen, but does not turn off the computer
- "reboot" completes the shutdown process, but gets stuck at the line "usbus1: Controller shutdown complete" for about 30 seconds before it
finally reboots
- "zzz" does some USB related disconnecting and then just hangs


This sounds like a misbehaving USB device. Disable all peripherals in
the BIOS if possible (webcam, fingerprint if present, whatever other junk)

And unplug this:
uhub3: <vendor 0x8087 product 0x0020, class 9/0, rev 2.00/0.00, addr 2>
on usbus1
uhub3: 8 ports with 8 removable, self powered
ugen1.3: <Sonix Technology Co., Ltd.> at usbus1

Then give it another try. I don't see anything that screams ACPI problem
so much as a device that times out a lot, leaving the kernel waiting.
Just a guess though.

Hi Matt,

There are no options to disable any devices in the BIOS. The AO753 has a webcam (the Sonix entry at ugen1.3) and a SDcard-reader, but nothing else, so there is nothing to unplug.

# usbconfig
ugen0.1: <EHCI root HUB Intel> at usbus0, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE ugen1.1: <EHCI root HUB Intel> at usbus1, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE ugen0.2: <product 0x0020 vendor 0x8087> at usbus0, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE ugen1.2: <product 0x0020 vendor 0x8087> at usbus1, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE ugen0.3: <USB2.0-CRW Generic> at usbus0, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON ugen1.3: <1.3M WebCam Sonix Technology Co., Ltd.> at usbus1, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON

BTW The CPU fan goes to maximum once the kernel is loaded, before probing for any USB devices, not after booting as originally stated.

Any more ideas, or any clue on how to further investigate that issue?

It's pretty sad, because that computer (although already 2 years old) is pretty much the most powerful machine I have here right now for desktop/mobile use, and it was the one machine destined to run FreeBSD. Still hoping to make it work somehow.

Greetings,

--
Michael
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