On Mon, 22 Aug 2011, Andrew Morton wrote: > > https://bugzilla.kernel.org/show_bug.cgi?id=41472 > > > > Summary: Slow files copying into a usb drive > > > > Description: > > I am suffering from very slow files copying and it does not matter is it an usb > > 1 or 2 devise. I mean that it happens both with uhci and ehci (can not test > > xhci because haven't a usb 3.0 device). How slow do you mean by "very slow"? > > During files copying KDE notification > > show me the progress and all seems to be alright, but I can not umount the > > devise after the copy operation was finished (orienting by KDE's > > notifications). Were you copying files _from_ the device or _to_ the device? Was the device mounted with the "-o sync" option? > > I always receive an error message that devise is busy, when > > trying to umount it. htop shows high I/O that you can see on the screenshot. It > > also does not matter was this device mounted by dolphin or by hand in console. > > Also, a few upgrades ago (perhaps with kernel 2.6.38) arch hung tightly during > > copying on usb drive and came to life after operations complete (or after hard > > devise disconnecting) Were there any error messages in the kernel log? 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
