On Mon, 17 Aug 2009, Dennis Veatch wrote: > I have an older Sandisk 12-1 reader and recently bought a 16GB SDHC Card. > Could not get the 12-1 to read the card, even though it reads the CF card used > in my camera and a 2GB SD card from my Wii just fine. So I figured the 12-1 > was a bit to oldish and got a Digital Concepts 51-1, Model CR-75-P. > > I am using Lunar-Linux (source based, x86-64, no multi-lib), 2.6.30.4, current > version of usbutils, libusb, udev-141, etc. I have been bouncing between this > box and another with PClinuxOS (2.6.28.x) and this device works just fine with > CF/SD/SDHC on the PCLinuxOS box. ... > page. When it is plugged into the Lunar box dmesg shows; > > usb-storage: device found at 6 > usb-storage: waiting for device to settle before scanning > scsi 10:0:0:0: Direct-Access Myson CS8819A3-116 0 1.01 PQ: 0 ANSI: 0 > CCS > sd 10:0:0:0: Attached scsi generic sg5 type 0 > sd 10:0:0:0: [sde] Attached SCSI removable disk > usb-storage: device scan complete > usb 1-6: USB disconnect, address 6 > usb 1-6: new high speed USB device using ehci_hcd and address 7 > usb 1-6: New USB device found, idVendor=04cf, idProduct=9920 > usb 1-6: New USB device strings: Mfr=1, Product=2, SerialNumber=3 > usb 1-6: Product: CS8819A3-116 > usb 1-6: Manufacturer: Myson Century, Inc. > usb 1-6: SerialNumber: 100 > usb 1-6: configuration #1 chosen from 1 choice > scsi11 : SCSI emulation for USB Mass Storage devices > usb-storage: device found at 7 > usb-storage: waiting for device to settle before scanning > scsi 11:0:0:0: Direct-Access Myson CS8819A3-116 0 1.01 PQ: 0 ANSI: 0 > CCS > sd 11:0:0:0: Attached scsi generic sg5 type 0 > usb-storage: device scan complete > sd 11:0:0:0: [sde] Attached SCSI removable disk > > and that is where it stops. It will never find sde1. I have tried to manually > mount sde, sde1 and mount never finds it. This is really odd and not real sure > where to go next. I have just about every usb/scsi/sg/mmc etc module enbled in > the kernel and really do not know what else to look at. You should use usbmon to capture the communication between the computer and the drive. For instructions, see Documentation/usb/usbmon.txt in the kernel source. 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