usb resume regression (sort of)

[Bengt Ahlgren]

Hans Petter Selasky <hselasky at c2i.net> writes:

> On Wednesday 08 February 2012 20:55:42 Bengt Ahlgren wrote:
>> Hans Petter Selasky <hselasky at c2i.net> writes:
>> > On Monday 06 February 2012 22:59:27 Bengt Ahlgren wrote:
>> >> I tried out 8.2-STABLE (from Feb 3rd) on my IBM Thinkpad X40 to see
>> >> whether the updates to usb fixed the resume stall problem with
>> >> 8.2-RELEASE.  (The latter with the "gavin-usb-controller-patch" however
>> >> worked very well on this system!)
>> >> 
>> >> Unfortunately, 8.2-STABLE didn't improve.  On the contrary, no usb
>> >> devices at all work after resume, so this is kind of a regression.  I
>> >> tested with a couple of different versions of the usb system and
>> >> concluded that it is commit r229370 that makes the difference.
>> >> 
>> >> After resume, the console says:
>> >> 
>> >> uhub1: at usbus1, port 1, addr 1 (disconnected)
>> >> uhub2: at usbus2, port 1, addr 1 (disconnected)
>> >> uhub3: at usbus3, port 1, addr 1 (disconnected)
>> >> uhub0: at usbus0, port 1, addr 1 (disconnected)
>> >> 
>> >> What can I do to debug this further?  It would be great to be able to
>> >> sort this for 8.3.
>> > 
>> > Hi,
>> > 
>> > Make sure you remove any other rc.d scripts which kldload/kldunload
>> > ehci/ohci/uhci/... at suspend/resume.
>> > 
>> > Send complete dmesg showing a suspend/resume cycle.
>> > 
>> > Send output from usbconfig before and after suspend/resume.
>> > 
>> > Thank you.
>> 
>> Thanks for the response!
>> 
>> I have put the complete verbose dmesg from new boot, insert of usb
>> memory, sleep, resume, (doesn't work), kldunload/kldload uhci/ehci,
>> insert usb memory, (works again), and a log of the shell session
>> covering the same here:
>> 
>> http://www.sics.se/~bengta/fcd49b361c6d9b06b5d7e6adc2349629/
>> 
>> Both have annotations "==== <action>" for clarity.
>> 
>> Is it worthwhile to compile with USB_DEBUG and redo the above?
>> 
>
> Hi,
>
> SVN/CVS up or apply the following patch. Looks I forgot to MFC this:
>
> http://svn.freebsd.org/changeset/base/231230

It works!!!  Connected devices are also reconnected properly on resume.
Thanks very much indeed!

Bengt