From: tatxarata > Update on my current research status. > > 1. To get normal read/write speed over USB3 I have to set max_sector_kb > to 64. Otherwise write is fine, but read is very slow (about 300kb/s). > Maybe this is hardware issue of this reader/card. However over USB2 all > works fine without any tweaks. All that said below is for case of > max_sector_kb = 64. I can't remember if you've said before... Is that USB2 on ehci or xhci? ie in a USB2 only port or a USB3 port with a USB2 cable. David -- 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
