On Wed, 18 Jan 2006, Z F wrote: > The symptoms of the problem are: After long writes to the USB drive, > an I/O error occures. Drive disappears and has to be both unplugged > from power and from USB to reset. THis happens if USB2 module is > loaded. > If it is not loaded, the drive works perfectly in USB1.1 mode (after > I connected the external power to the PCI USB controller) > The kernel is 2.6.14. On a different computer (laptop), the kernel is > 2.6.13 and the drive works perfectly in USB2.0. > > The output of dmesg is below. But I think that USB debug and USB > storage > debug are off in the kernel. I will recompile the kernel to > have them on.
Be careful. usb-storage debugging generates a tremendous amount of output. Have you tried using a different (i.e., better) USB data cable? Often these sorts of problems are caused by noise in the data signals. Alan Stern ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=103432&bid=230486&dat=121642 _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
