Fwd: Re: calibre: kindle usb connection problem
Hans Petter Selasky
hselasky at c2i.net
Thu Apr 5 10:14:20 UTC 2012
On Thursday 05 April 2012 10:26:54 Andriy Gapon wrote:
> on 02/04/2012 02:40 Joe Marcus Clarke said the following:
> > On 4/1/12 5:11 PM, Hans Petter Selasky wrote:
> >>> libusb20_be_alloc_default
> >>> libusb20_be_device_foreach
> >>>
> >>> libusb20_dev_get_bus_number
> >>> libusb20_dev_get_address
> >>> libusb20_dev_get_config_index
> >>> libusb20_dev_get_config_index
> >>
> >> 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?
> >
> > It does, but I actually had that in there. What this did help me
> > recognize is that I wasn't closing the device. Thanks for the hint :-).
> >
> > Andriy, can you try these two patches?
> >
> > http://www.marcuscom.com/downloads/patch-hald_freebsd_probing_probe-usb2-
> > interface.c
> >
> > http://www.marcuscom.com/downloads/patch-hald_freebsd_probe-usb2-device.c
>
> I've tried them, they didn't hurt... :-)
> I've put it this way because after doing more tests I've realized that the
> correlation between hald running and the disconnect+reconnect behavior was
> just a coincidence. I am able to reproduce the disconnect+reconnect
> behavior even without hald running. So I guess that this clears hal of
> suspicions. Sorry for the noise.
>
> Hans,
>
> I've put a usbdump file here:
> http://people.freebsd.org/~avg/kindle.usb.dump.gz This is is without hald
> running.
I don't see any errors in the log. Someone either requests a device reset or
the device disappears.
--HPS
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