A: No. Q: Should I include quotations after my reply? http://daringfireball.net/2007/07/on_top On Mon, Nov 04, 2013 at 07:58:42PM +0800, ys6 land wrote: > Hi, greg > > I have used the minicom program which calls the open system call in > blocking mode to access the usb device, and it seems there is no > problem with it. That's good to know. > So, the only thing I can suspect is that there is a > bug in "open" system call implementation. Do you know which directory > containing the source code about the implementation of "open" system > call in the linux kernel tree? I really doubt there is a problem with open(), but the code for it should be easy to look through if you are interested, it's in fs/open.c in the kernel source tree. I still think this is a line setting issue for your userspace program... good luck, greg k-h -- 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
