Date: Thu, 09 Feb 2012 12:37:04 +0100 From: Bengt Ahlgren <bengta@sics.se> To: Hans Petter Selasky <hselasky@c2i.net> Cc: mobile@freebsd.org, freebsd-usb@freebsd.org Subject: Re: usb resume regression (sort of) Message-ID: <uh7mx8sb5lr.fsf@P142.sics.se> In-Reply-To: <201202082328.52747.hselasky@c2i.net> (Hans Petter Selasky's message of "Wed, 8 Feb 2012 23:28:52 %2B0100") References: <uh7zkcvaaio.fsf@P142.sics.se> <201202071537.02510.hselasky@c2i.net> <uh7ehu514n5.fsf@P142.sics.se> <201202082328.52747.hselasky@c2i.net>
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Hans Petter Selasky <hselasky@c2i.net> writes: > On Wednesday 08 February 2012 20:55:42 Bengt Ahlgren wrote: >> Hans Petter Selasky <hselasky@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
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