Date: Sun, 21 Jun 2015 01:48:35 +0200 From: Hans Petter Selasky <hps@selasky.org> To: ticso@cicely.de, Adrian Chadd <adrian@freebsd.org> Cc: Bernd Walter <ticso@cicely7.cicely.de>, "freebsd-mips@freebsd.org" <freebsd-mips@freebsd.org>, Ian Lepore <ian@freebsd.org> Subject: Re: also USB problems Message-ID: <5585FBD3.2010808@selasky.org> In-Reply-To: <20150620185211.GF41261@cicely7.cicely.de> References: <20150619212042.GE34133@cicely7.cicely.de> <1434749655.1415.105.camel@freebsd.org> <20150619225933.GF34133@cicely7.cicely.de> <CAJ-VmokMs7rW5f5YUEr8=YxgWGJ0E-i8UfE%2BXDVDemJm_GjyqA@mail.gmail.com> <20150620142830.GA41261@cicely7.cicely.de> <CAJ-Vmo=q1HXD1_iguR5RvWwE_HKG_gK5zWQpcjMwxYrgucpBKg@mail.gmail.com> <20150620165536.GB41261@cicely7.cicely.de> <CAJ-Vmo=g%2Bi3vFPG5n9Qro9O_ozKnE3z5FzLhFWmZc5PXRK6nEQ@mail.gmail.com> <20150620174509.GD41261@cicely7.cicely.de> <20150620182656.GE41261@cicely7.cicely.de> <20150620185211.GF41261@cicely7.cicely.de>
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On 06/20/15 20:52, Bernd Walter wrote: > On Sat, Jun 20, 2015 at 08:26:56PM +0200, Bernd Walter wrote: >> On Sat, Jun 20, 2015 at 07:45:09PM +0200, Bernd Walter wrote: >>> On Sat, Jun 20, 2015 at 01:21:24PM -0400, Adrian Chadd wrote: >>>> Hi, >>>> >>>> You typically need an external power supply to drive high current >>>> things from these devices. >>>> >>>> Try connecting them via a powered hub and see what happens. >>> >>> Will try, but doubt it will make a difference. >>> The memory stick isn't what I expect to be high current and I already >>> tried a self powered hub with the AR93331 devices. > Can you kdb_backtrace() on that request having length above 64K, and see what is causing it? It needs to be split into multiple of maxio sized requests. --HPS
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