On Sat, 2009-10-10 at 09:38 +0200, Josua Dietze wrote: > Benjamin Herrenschmidt schrieb: > > > > The symptom is that the USB modem just disconnects/reconnects in a loop. > > The log looks like what I pasted below when plugging the device (and > > leaving it in, the disconnects don't correspond to the device being > > removed). > > > This is one of the mode switching devices. It is switched to modem > mode by "usb_stor_huawei_e220_init". > > Something keeps resetting it to initial mode. It might be a > powersave/suspend issue. suspend is a good candidate yeah, autosuspend might be causing something like that, I'll see what I can find. I didn't spot an obvious change to the USB suspend policy between those two kernels, but it could be trigged by one of the numerous changes that went into usb-serial. Cheers, Ben. -- 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