On Wed, 10 Mar 2010, Nuno Gonçalves wrote: > The UMTS modem Huawei E169 sometimes is not detected as a USB device > on boot. No entry on /proc/... > When pluged after the system is booted, it is always detected. > > It looks like some kind of incompability with this unit firmware(I've > tested 5 hardware pieces). > > Is there any kind of diagnose suit I can run to try to diagnose the issue? > > I could only find the problem on Openwrt(2.6). As Greg said, this is likely to be a platform issue. However you _can_ collect some additional information. Build a kernel with CONFIG_USB_DEBUG and CONFIG_PRINTK_TIME enabled, and then post the dmesg log showing what happens during a boot in which the modem wasn't detected. Alan Stern -- 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
