Date: Wed, 2 Dec 2009 11:41:46 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org, Mark Duller <mark.duller@oerc.ox.ac.uk> Subject: Re: usb/140160: USB ports are no longer "active" after ACPI suspend/resume cycle. Message-ID: <200912021141.47920.hselasky@c2i.net> In-Reply-To: <200912021030.nB2AU2F6079502@freefall.freebsd.org> References: <200912021030.nB2AU2F6079502@freefall.freebsd.org>
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On Wednesday 02 December 2009 11:30:02 Mark Duller wrote: > The following reply was made to PR usb/140160; it has been noted by GNATS. > > From: Mark Duller <mark.duller@oerc.ox.ac.uk> > To: bug-followup@FreeBSD.org, jamesbrandongooch@gmail.com > Cc: > Subject: Re: usb/140160: USB ports are no longer "active" after ACPI > suspend/resume cycle. > Date: Wed, 02 Dec 2009 09:50:55 +0000 > > I have seen a similar issue on my x61s Thinkpad while following the 8.0x > releases. The behaviour has changed throughout the releases. > > On my latest test (on FreeBSD 8.0-PRERELEASE #2: i386), I found this > issue only occurs if I suspend the system while no usb modules are > loaded. On a resume, if one then loads the usb modules (such as umass > ehci uhci), usb does not work. > > My current workaround is to ensure I load the modules I need before the > first suspend. A resume in this case does keep the usb ports 'active'. > > I'll report back if i notice any change in 8.0-Release. > Looks like we need to test USB suspend and resume a little bit more. --HPS
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