What sort of steps are availble for me to take debugging-wise on the windows end?
If xsane is started from the command prompt, are there any swithces available to generate debugging output at the command prompt? K On Thu, 10 Jun 2004, Henning Meier-Geinitz wrote: > Hi, > > On Wed, Jun 09, 2004 at 09:18:11PM -0700, Keith Clayton wrote: > > Hate when I do that . . here's the xsane logs described in my previous > > email > > Ok, let's look at the second log. The preview scan looks ok (but I > don't know the details of the plustek backend). The real scan also > starts fine and then we see this: > > [plustek] sane_read - read 3750 bytes > [saned] do_scan: read 3750 bytes from scanner > [plustek] usb_ScanReadImage() done, result: 0 > [plustek] usb_ReadData() > [plustek] usb_ScanReadImage(3760) > [plustek] usb_ScanReadImage() done, result: 0 > [saned] do_scan: trying to write 3754 bytes to client > [saned] do_scan: wrote 3754 bytes to client > [saned] do_scan: trying to read 1521 bytes from scanner > [plustek] sane_read - read 1521 bytes > [saned] do_scan: read 1521 bytes from scanner > > Now these 1521 bytes should be sent to the frontend... > > [saned] do_scan: processing RPC request on fd 4 > [saned] process_request: waiting for request > [saned] process_request: bad status 22 > > saned thinks something has been sent to it by the control (not data) > connection. But when trying to decode what was sent it gets an error > when reading the first word. 22 is "invalid argument". That means that > no data could be read. Maybe xsane has crashed on the clent side > meanwhile? > > Usually during the scan nothing is sent to the control file descriptor. > > Anyway. As sane_cancel isn't called the reader_process in the plustek > backend isn't killed and the plustek backend gets confused. > > So my impression is that the problem is with xsane (or the net > frontend on windows) and the scanner lockup is just a consequence. > But I don't know why xsane (or the net backend) crashes. So maybe > finding out the details here may help- E.g. gdb xsane on the client or > enabling debugging for xsane and the net backend and looking at the > last few lines before the crash. > > Maybe the xsane and plustek maintainers can have a look at the > logfiles, too? > > Bye, > Henning > >
