Date: Sat, 6 Aug 2011 18:28:35 +0000 (UTC) From: Marcin Wisnicki <mwisnicki+freebsd@gmail.com> To: freebsd-usb@freebsd.org Subject: Power cycling device without affecting other devices Message-ID: <j1k14j$94c$1@dough.gmane.org>
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In the past I could do a real power_off and power_on a single device without affecting other devices on the same (root) hub. Today, it seems that issuing those two commands does something different that is not really a full power down (led light goes down but device is still stuck after power_on). I have also tried issuing commands to hub as suggested in other thread: usbconfig -d ${root_hub} set_config 255 usbconfig -d ${root_hub} set_config 0 which caused hub and attached devices to disappear but didn't cut the power (lights still up). Is it no longer possible to power cycle single device ? # relevant sysctl dev.* dev.uhub.1.%desc: VIA UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1 dev.uhub.1.%driver: uhub dev.uhub.1.%parent: usbus1 dev.usbus.1.%desc: VIA 83C572 USB controller dev.usbus.1.%driver: usbus dev.usbus.1.%parent: uhci1 dev.uhci.1.%desc: VIA 83C572 USB controller dev.uhci.1.%driver: uhci dev.uhci.1.%location: slot=16 function=1 handle=\_SB_.PCI0.USB2 dev.uhci.1.%pnpinfo: vendor=0x1106 device=0x3038 subvendor=0x1106 subdevice=0x3038 class=0x0c0300 dev.uhci.1.%parent: pci0 dev.uhci.1.wake: 0 Using FreeBSD 8-Stable from Jun 26.
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