Date: Fri, 26 Mar 2010 19:59:15 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Subject: Re: resetting USB after suspend Message-ID: <201003261959.16089.hselasky@c2i.net> In-Reply-To: <20100326193442.6bd27799@dimitri> References: <20100326193442.6bd27799@dimitri>
next in thread | previous in thread | raw e-mail | index | archive | help
On Friday 26 March 2010 19:34:42 Nicholas 0 wrote: > Dear list. > > I'm not sure if this belongs here or on the ACPI list. Please forgive. > > Sometimes when I resume my ThinkPad X200 (Core 2 Duo, 8.0-RELEASE, > amd64), my USB ports don't come back online - that is, no power to > things that I plug in and nothing shows up in dmesg. Reboot fixes it. > It doesn't seem entirely consistent, sometimes USB is fine after > suspend, sometimes it isn't. > > I'm trying to see if I can find some rhyme or reason as to when this > occcurs so I can file a bug report and work with someone to get this > fixed, but in the mean time is there any way to reset the USB > subsystem/reload the drivers that I can try as a work around? It's > annoying having to reboot to charge my phone. > > Nicholas > Hi, This use-case has not been tested that much. USB can probably do more to recover the state after PC resume. --HPS
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201003261959.16089.hselasky>