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 majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
