On Wed, Jul 24, 2013 at 08:11:05PM +0800, Yingchun Li wrote: > Hi, > I have a cdc-acm usb device, used for transfering data to/from windows PC, > for windows PC, and I use the Documentation/usb/linux-cdc-acm.inf to load the > windows driver(which is the usbser.sys). > On PC, there is an application use the COM port to transfer the data. > During transfer, the windows happened blue screen(BSOD) randomly, sometimes > one day, sometimes a few hours. I have the core dump, if needed I can post it. > It seems that the usbser.sys is buggy and problematic, > http://www.microchip.com/forums/m469465.aspx > But I am not familiar with windows, could you give me some advice? and > is there an open soruce driver work like usbser.sys? I don't know of any opensource windows usb drivers, sorry. You should contact a Windows mailing list, or even better, Microsoft, as this seems to be a bug in their code, which is not anything we (i.e. Linux developers), have any control over. The fact that you can crash a box by plugging in a "bad" device, has all sorts of security issues... 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
