On Wed, Sep 26, 2012 at 9:35 AM, Xiaofan Chen <xiaof...@gmail.com> wrote:
> On Wed, Sep 26, 2012 at 4:00 AM, Frank Hibbeln <fhibb...@wencomine.com> wrote:
>> Sorry - I cant seem to find a "Reply" link for a message ( 29869217 ) posted
>> by Chuck Cook 2012-09-22 to the list so I hope this will find its way.
>>
>> The OS is Windows XP. The app is being built with VStudio 2010.
>
> Did you install the supported driver for your device?
>
> BTW, 1.0.13 and 1.0.14 have been released, you should try them.
>
> You can also post the debug log comparison of 1.0.12 and
> 1.0.13 (1.0.13 and 1.0.14 are basically the same).
On Sat, Sep 29, 2012 at 5:18 AM, Frank H <nore...@sourceforge.net> wrote:
> Hello Xiaofan.
>
> I hope its ok to send this to you directly.
No it is not okay, I in general do not reply to private email for
technical support. Please use the mailing list.
> I don\'t know how
> to reply to a posting in the list archive.
Why use list archive? You should subscribe the mailing list and then
receive the emails and then reply from your email clinet. You can
unsubscribe later if you no longer wish to access the mailing list.
> I tried 1.0.14 with the same results - access denied. I have
> debug logs from both sessions ( how to attach? ) and they
> are the same ( except for time stamps, thread etc ) up to
> when the error occurs.
>
> With 1.0.12:
>
> [44.671875] [00000688] libusbx: debug [libusb_open] open 3.1
> USBDeviceImpl::Open Success
> [45.187500] [00000688] libusbx: debug
> [libusb_set_configuration] configuration 1
> [45.437500] [00000688] libusbx: debug
> [libusb_claim_interface] interface 0
> [45.687500] [00000688] libusbx: debug
> [winusb_claim_interface] claimed interface 0
> [45.953125] [00000688] libusbx: debug
> [libusb_get_config_descriptor] index 0
> [46.203125] [00000688] libusbx: debug [parse_configuration]
> skipping descriptor 0x9
>
> With 1.0.14
>
> [44.140625] [00000dfc] libusbx: debug [libusb_open] open 3.2
> [44.390625] [00000dfc] libusbx: error [winusbx_open] could
> not open device
> \\\\.\\USB#VID_15A2&PID_003B#V0.1#{A5DCBF10-6530-11D2-901F-00C04FB951ED}
> (interface 0): [5] Access is denied.
> [44.890625] [00000dfc] libusbx: debug [libusb_open] could
> not open device: LIBUSB_ERROR_ACCESS
> Device open error: code: -3 ==> LIBUSB_ERROR_ACCESS
>
> The access denied is usally because some other app is using
> winusb.sys but this is not the case here. The only thing of
> note is that during the search for the device I want I open
> the device matching vid and pid so I can get the serial
> number. If all three match then I\'ve found the device I want
> so I increase the reference count for the device, then close
> the handle and release the list. The app then continues and
> eventually opens the device again for read/write. With
> 1.0.12 this is all ok. With 1.0.14 this second open fails.
> It seems that the close(handle) during search is not closing
> the device? ( I don\'t see it destroyed in the log so it must
> still be a valid pointer)
>
> Any ideas (including how to reply to mail list thread )
> would be appreciated.
>
You may want to post more about your program and then
more debug logs. If you can reproduce the issue with
xusb, then you can post the xusb debug logs as well.
--
Xiaofan
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