On Wed, May 2, 2012 at 2:40 PM, 付帅兵 <fushuaib...@centerm.com.cn> wrote: > 1.The Linux distro is ubuntu9.10 and the kernel is 2.6.24. > 2.the kernel is not debug , so the relevant output of "dmesg" is only "usb > 1-6: USB disconnect, address 13".
So the device got kicked out by the kernel and most likely the device is buggy. > 3. for Most of U disk the user mode driver is ok, but for a few U disk > which is made by Unknow manufacturer, it is not ok. So they are buggy and you can not do anything about it. > libusb_interrupt_or_bulk_transfer return ERROR and it got lost on > the bus . I am very confused This is because the device is kicked out by the kernel, so it has nothing to do with libusb. On the other hand, you can try the latest Ubuntu (12.04 was just released) and see if that helps a bit. -- Xiaofan ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ libusbx-devel mailing list libusbx-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libusbx-devel
