Date: Mon, 10 Feb 2014 12:21:46 +0000 From: Alexey Dokuchaev <danfe@FreeBSD.org> To: Rui Paulo <rpaulo@FreeBSD.org> Cc: "Julian H. Stacey" <jhs@berklix.com>, Alfred Perlstein <bright@mu.org>, "freebsd-current@freebsd.org bsd" <freebsd-current@freebsd.org> Subject: Re: urtwn driver for Edimax EW-7811U WLAN nano USB Adapter Message-ID: <20140210122146.GA26853@FreeBSD.org> In-Reply-To: <589BAB21-30E9-4750-A345-BE7AB1116F48@FreeBSD.org> References: <201310081742.r98HfbBV055077@fire.js.berklix.net> <589BAB21-30E9-4750-A345-BE7AB1116F48@FreeBSD.org>
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On Tue, Oct 15, 2013 at 11:13:56PM -0700, Rui Paulo wrote: > On 8 Oct 2013, at 10:41, Julian H. Stacey <jhs@berklix.com> wrote: > > I too am seeing > > urtwn0: timeout waiting for checksum report > > Sorry, this is a know problem that I haven't been able to figure out... > It probably exists in the OpenBSD driver as well. Usually retrying works. To augment this a bit: I also came across one of these dongles (vendor 0x0bda product 0x8176) that gave me this "timeout waiting for checksum report" message. Retrying didn't help, but plugging the dongle out and then back in did. After powercycling the machine, I had to replug it again. Once replugged, the dongle seems to work fine (I rebuilt kernel and some ports via NFS over it thus far). This suggests that the driver (or more generic part of the USB stack) does not initialize something correctly, while full plug-and-play thing does it. Any ideas? ./danfe
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