On Fri, 3 Aug 2012, mat brown wrote: > mount reports the following: > > /dev/sdb1 on /media/littlun type vfat > (rw,nosuid,nodev,uid=1000,gid=1000,shortname=mixed,dmask=0077,utf8=1,showexec,flush,uhelper=udisks) > > Nothing shows up in syslog during transfers. > > One thing I hadn't tried until a moment ago was an fs other than > fat32. Same issue occurs with ext4.
In that case you should use usbmon to record what happens during one of the slow transfers. Instructions are in the kernel source file Documentation/usb/usbmon.txt. It doesn't have to be a big transfer; 10 MB will probably be enough to point out the problem. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
