Date: Fri, 3 Sep 2010 09:12:45 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Subject: Re: device attach problem on boot Message-ID: <201009030912.45579.hselasky@c2i.net> In-Reply-To: <20100903061256.GA27081@zgred.localnet> References: <20100903061256.GA27081@zgred.localnet>
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On Friday 03 September 2010 08:12:56 Piotr Isajew wrote: > Hello, > > I'm considering to move one of my projects from Linux to FreeBSD. The > project uses lots of USB modems. To test if my hardware is supported > by FreeBSD I installed 8.1-STABLE. During first test I noticed that no > modems are detected by OS during startup (i.e. "usbconfig list" > doesn't show any of those devices). However if I remove a modem from > USB port once the system is running and then plug it in again, it's > properly detected and works without problems. > > The only dmesg lines that looks suspicious to me are: > > usb_alloc_device: getting device descriptor at addr 3 failed, > USB_ERR_STALLED usbd_req_re_enumerate: getting device descriptor at addr 3 > failed, USB_ERR_STALLED > > I'll apreciate any help on solving this problem. > > Kind regards, > > Piotr Have you tried using an external powered USB HUB? Do these modems have autoinstall disks? --HPS
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