On Sat, Oct 23, 2010 at 06:15:36PM +0200, Paul-Kenji Cahier Furuya wrote: > On 10/23/2010 17:57, Greg KH wrote: >> This sounds like the device is broken, especially due to this: > That is my guess too. > >> How does other operating systems handle this device? Do they use the >> HID interface, or the cdc-acm interface? > Well, under linux itself, all debugging&programming kits use the hid > interface, but the serial interface is still used for testing/actual > production/applications. Same under windows. > Please note that the windows driver does seem to also have that issue at > times, so it's most definitely likely to be a problem of that device. > (I did find other references to it) > > I am guessing worst case I could try creating a permanent read-drain proxy > of some sort. Any more debugging I might be able to provide? Or solutions? If you always leave a program reading from the device, does it work fine? Perhaps you could do that from userspace, or worse case, hack the cdc-acm driver to always drain the endpoint as well. Have you contacted TI about this? 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
