On Wed, 26 Jan 2005, David Daney wrote: > I have two nearly identical systems running different versions of a > MIPS32 based SOC. > > On one of them I have no problems. But on the other the usb storage > driver seems to be deadlocking. > > The linux kernel is nearly identical on the two systems, but there are > some differences due to the different versions of the processor. > > # cat /proc/version > Linux version 2.4.29Avtrex34 ([EMAIL PROTECTED]) (gcc version 3.4.3) #9 > Wed Jan 26 15:24:21 PST 2005 > > My test is this: I have a 256MB CF card plugged into a USB connected > multi-format card reader device. For what it's worth the CF card has a > normal vfat file system on it. After it is connected to the system > /dev/sda1 corresponds to the CF card. I do cat /dev/sda1 > /dev/null > and data is copied for a while, and then the usb storage driver seems to > deadlock. > > Hints as to the solution to my problems, or pointers as to how to find > the problem are appreciated.
This looks like it might be a problem with the usb-ohci driver, not with usb-storage. What happens if you rmmod usb-ohci while things are hung? Alan Stern ------------------------------------------------------- This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting Tool for open source databases. Create drag-&-drop reports. Save time by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc. Download a FREE copy at http://www.intelliview.com/go/osdn_nl _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
