Date: Sun, 1 Apr 2012 23:29:06 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: Andriy Gapon <avg@freebsd.org> Cc: gnome <gnome@freebsd.org>, Joe Marcus Clarke <marcus@freebsd.org> Subject: Re: Fwd: Re: calibre: kindle usb connection problem Message-ID: <201204012329.06548.hselasky@c2i.net> In-Reply-To: <4F78C64B.8080704@FreeBSD.org> References: <4F749AD1.7020703@FreeBSD.org> <201204012311.57974.hselasky@c2i.net> <4F78C64B.8080704@FreeBSD.org>
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On Sunday 01 April 2012 23:19:07 Andriy Gapon wrote: > on 02/04/2012 00:11 Hans Petter Selasky said the following: > > On Saturday 31 March 2012 21:21:11 Joe Marcus Clarke wrote: > >> On 3/29/12 1:46 PM, Andriy Gapon wrote: > > > > Hi, > > > > I think you need to open the device to be allowed to call > > libusb20_dev_req_string_simple_sync, like shown in the previous function > > call list. > > > > Does that make sense to you? > > Not really... :-) > How does that cause the disconnect and reconnect? > Hi, > [snip] If the string you are asking for doesn't exist in the firmware, maybe it generates a NULL pointer fault, and then the kindle crashes? You can also try: sysctl hw.usb.no_cs_fail=1 Not sure if it helps. Could you use usbdump, and the version from 9-stable or -current, and make a USB trace file using the "-f" option one or more times to get only the kindle related devices. Then send me a link to that, and I'll have a look. --HPS
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