On Wed, 9 Feb 2011, Judah Menter wrote: > Hi, > > I'm running kernel 2.6.26 on a Freescale iMX27. I'm loading the > File-backed Storage Gadget (g_file_storage) like: > > modprobe g_file_storage file=/etc/backing_file > > The backing file is partitioned but not formatted. I have turned on > verbose debugging in the driver and in dmesg I see: > > g_file_storage gadget-lun0: open backing file: /etc/backing_file > g_file_storage gadget: File-backed Storage Gadget, version: 7 August 2007 > g_file_storage gadget: Number of LUNs=1 > g_file_storage gadget-lun0: ro=0, file: /etc/backing_file > g_file_storage gadget: transport=Bulk-only (x50) > g_file_storage gadget: protocol=Transparent SCSI (x06) > g_file_storage gadget: VendorID=x0525, ProductID=xa4a5, Release=x0322 > g_file_storage gadget: removable=0, stall=1, buflen=16384 > g_file_storage gadget: I/O thread pid: 4177 > fsl-usb2-udc: bind to driver g_file_storage > g_file_storage gadget: disconnect or port reset > g_file_storage gadget-lun0: fdatasync -> 0 > > But the device does not enumerate and I don't see any activity on the > bus at all. No activity at all? You don't even see the D+ line change from low to high? > The device is not self powered so I can't unplug it and > plug it back in after the driver is loaded. > > Any idea what's going on? Sounds like a problem with the USB device controller driver or hardware. 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
