From owner-freebsd-usb@freebsd.org  Mon Aug  7 16:12:39 2017
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Subject: Re: [USB] hang after upgrade from 10.0 to 10.1, ZFS or callout()
 related?
To: Michael Schmiedgen <schmiedgen@takwa.de>, freebsd-stable@freebsd.org,
 freebsd-usb@freebsd.org
References: <b9ee1cd5-a7ee-d484-dde6-fe1ce8a4eb7a@takwa.de>
From: Hans Petter Selasky <hps@selasky.org>
Message-ID: <7a382dbf-5211-18b0-d6c4-f2abb3a327b6@selasky.org>
Date: Mon, 7 Aug 2017 18:10:16 +0200
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On 08/07/17 17:59, Michael Schmiedgen wrote:
> Hi list,
> 
> after upgrading kernel from 11.0 to 11.1 the boot process stopped,
> waiting forever for some USB stuff. I tried to skip waiting with
> 
> hw.usb.no_boot_wait="1"
> 
> in /boot/loader.conf but then I got a very strange ZFS 'mount error 5',
> which I had some time ago upgrading from 10.0 to 10.1. That error did
> magically went away with 11.0, and now it seems to pop up again:
> 
> https://lists.freebsd.org/pipermail/freebsd-current/2014-October/052900.html 
> 
> 
> https://lists.freebsd.org/pipermail/freebsd-stable/2014-December/081192.html 
> 

Can you try getting the dmesg.

You can also disable USB enumeration setting these:

hw.usb.disable_enumeration: 0
dev.uhub.2.disable_enumeration: 0
dev.uhub.1.disable_enumeration: 0
dev.uhub.0.disable_enumeration: 0

Are you sure you loaded all drivers, like XHCI, EHCI, OHCI, UHCI ? DOes 
the BIOS offer any USB options?

--HPS


> 
> 
> So I reset the boot wait option to default again and switched on some USB
> debug options:
> 
> https://imgur.com/a/xzkrC
> 
> 
> Anybody? Thanks,
>    Michael
>