Date: Tue, 3 Apr 2007 21:34:54 +0800 From: "Xiaofan Chen" <xiaofanc@gmail.com> To: "Hans Petter Selasky" <hselasky@c2i.net> Cc: freebsd-usb@freebsd.org Subject: Re: libusb usb_interrupt_read hangs under FreeBSD Message-ID: <a276da400704030634ma2bed6dif4f5db276c5f6171@mail.gmail.com> In-Reply-To: <200704031426.38277.hselasky@c2i.net> References: <a276da400704030427g6fcfdc37u43bdf0fd1cd69ea8@mail.gmail.com> <200704031426.38277.hselasky@c2i.net>
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On 4/3/07, Hans Petter Selasky <hselasky@c2i.net> wrote: > On Tuesday 03 April 2007 13:27, Xiaofan Chen wrote: > > I was redirected to this list as per the suggestion from the > > libusb mailing list. > > > > It will be greatly appreciated that someone can suggest > > how to debug this problem? > > With the new USB stack installed, do like this: > > sysctl hw.usb.debug=15 > > Then run you program. > > Then get all the lines with "ugen()" in the debug output. > > sysctl hw.usb.debug=0 > > --HPS Thanks for the fast reply. ===[mcuee] ~/Desktop/build/mypk2 # sudo sysctl hw.usb.debug=15 Password: hw.usb.debug: 0 -> 15 ===[mcuee] ~/Desktop/build/mypk2 # sudo python testpk2.py usb_set_debug: Setting debugging level to 255 (on) usb_os_find_busses: Found /dev/usb0 usb_os_find_busses: Found /dev/usb1 usb_os_find_busses: Found /dev/usb2 usb_os_find_devices: Found /dev/ugen0 on /dev/usb1 usb_control_msg: 128 6 512 0 0xbfbfe2e8 8 1000 usb_control_msg: 128 6 512 0 0x81222c0 41 1000 skipped 1 class/vendor specific interface descriptors usb_control_msg: 128 6 513 0 0xbfbfe2e8 8 1000 usb_control_msg: 128 6 513 0 0x8116900 32 1000 setConfiguration params: configuration: 1 set Configuration 1 claimInterface params: interfaceNumber: 0 claim Interface 0 Turing power on by USB interrupt write interruptWrite params: endpoint: 1 timeout: 1000 interruptWrite buffer param: 56 31 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a Sending version command by USB interrupt write interruptWrite params: endpoint: 1 timeout: 1000 interruptWrite buffer param: 76 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a Getting version command by USB interrupt read interruptRead params: endpoint: 1 size: 64 timeout: 1000 ^CUSB error: error reading from interrupt endpoint /dev/ugen0.1: Interrupted system call Traceback (most recent call last): File "testpk2.py", line 43, in ? r=dh.interruptRead(1,64,1000) usb_os_close: closing endpoint 4 ===[mcuee] ~ # dmesg | grep ugen ugen0: <Microchip Technology Inc. PICkit 2 Microcontroller Programmer, class 0/0, rev 2.00/0.01, addr 126> ugenopen: flag=1, mode=8192 ugenioctl: cmd=40125569 ugenclose: flag=1, mode=8192 ugenopen: flag=3, mode=8192 ugenioctl: cmd=80045572 ugenioctl: cmd=c018556f ugenioctl: cmd=80045572 ugenioctl: cmd=c018556f ugenioctl: cmd=80045572 ugenioctl: cmd=c018556f ugenioctl: cmd=80045572 ugenioctl: cmd=c018556f ugenclose: flag=3, mode=8192 ugenopen: flag=3, mode=8192 ugenioctl: cmd=80045565 ugen_set_config: configno 1, sc=0xc31ad800 ugenclose: flag=0, mode=0 ugenopen: flag=3, mode=8192 ugenioctl: cmd=80045572 ugenwrite: ugenwrite: transferred 64 bytes ugenioctl: cmd=80045572 ugenwrite: ugenwrite: transferred 64 bytes ugenioctl: cmd=80045572 ugenioctl: cmd=80045571 ugenread: ugen_open_pipe_read: interrupt open done ugenclose: flag=3, mode=8192 ugenclose: flag=3, mode=8192 Regards, Xiaofan
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