On Thu, 17 Sep 2009, Eric Ding wrote: > I'm using the mainline 2.6.31 kernel with an Olympus MAUSB-200 USB xD-Picture > Card reader and my Olympus 1GB Type H xD-Picture Card, and have had consistent > problems trying to access and use the card on my Linux system. This card > (reader) works perfectly fine with my Fujifilm F20 digicam and on my Windows XP > system, but on my Linux system, the usb-storage driver seems to have problems > even getting partition information for it. > > For ease of testing, I'm currently running Linux as a guest OS inside VirtualBox > 3.0.6, with Windows XP SP2 as my host operating system. I'm using the EHCI host > controller of VirtualBox, but this problem has also occurred on my desktop > server running Ubuntu 8.04 and running directly on my Thinkpad R61 with a Linux > Mint 7 LiveCD. Turning off EHCI in VirtualBox has not helped; adding the > FIX_CAPACITY option to usb-storage (as a shot in the dark) hasn't helped either. > > I'm certain that the card itself is working fine, since it works fine with my > camera and with my XP system. Anyone have any suggestions on how to get this > card (reader) working on Linux? > > I've included the output of lsusb -v and output from dmesg below. There isn't enough information in the log to tell what's wrong. We need to see a usbmon trace showing what happens when you plug the card reader in. For instructions, see the kernel source file Documentation/usb/usbmon.txt. 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
