On Fri, 25 Mar 2011, loody wrote: > I use usb mon to capture the iso and interrupt log. > But I cannot quite understand the message mean. > > 87230124 328084000 S Ii:1:007:1 -150:1 1025 < > 87230124 328084000 C Ii:1:007:1 0:1 7 = 0e05010a fc0001 > > 8719dd00 530320000 S Zo:2:003:1 -150:1:0 8 -18:0:176 -18:176:176 > -18:352:176 -18:528:176 -18:704:176 1408 D > 8719dd00 530336000 C Zo:2:003:1 0:1:20:0 8 0:0:176 0:176:176 0:352:176 > 0:528:176 0:704:176 1408 > > > what does the "-150:1" and " -150:1:0 8 -18:0:176 -18:176:176" mean? > I guess that maybe status and interval, where I can find the > definition table in driver to check it? The -150 and -18 values are status codes. The :1 and :1: values are urb->interval, the :0 is urb->start_frame, and the 8 is urb->number_of_packets. The :0: and :176: values are iso_frame_desc[n].offset (where n is 0 and 1 respectively), and the :176 values are iso_frame_desc[n].length. The status codes are listed in arch/.../include/asm/errno.h (fill in the ... with whatever architecture you are using) and defined in Documentation/usb/error-codes.txt. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
