Booting from USB3 while USB2 devices are connected - Printable Version +- PINE64 (https://forum.pine64.org) +-- Forum: ROCK64 (https://forum.pine64.org/forumdisplay.php?fid=85) +--- Forum: General Discussion on ROCK64 (https://forum.pine64.org/forumdisplay.php?fid=86) +--- Thread: Booting from USB3 while USB2 devices are connected (/showthread.php?tid=7929)

Booting from USB3 while USB2 devices are connected - wallace - 09-03-2019 Hi all, I've got the v2 board and basically trying to do what the title says. I installed U-Boot version "1065-g95f6152134" following ayufan's instructions. - Booting with only USB3 rootfs attached ✅WORKS - Booting with only USB2 rootfs attached ✅WORKS - Booting with USB2 rootfs and all other USB ports occupied with non-bootable drives ✅WORKS - Booting with USB3 rootfs and USB2 ports occupied: ❌FAILS What I tried so far: Downgrading U-Boot. Testing with 2 different drives. Testing with two different operating systems: Arch (mainline kernel v.5.2.11 and latest uboot from official repo), ayufan's Debian Buster minimal v0.9.14-1159. Background details: I've had this board since it launched and been running from MicroSD & Debian. System has always been slow and recently I identified the cause being the slow on-board reader.  On board: ~20MB/s read | ~8MB/s write MicroSD USB3 Adapter: 120MB/s read | 35MB/s write Using Lexar x1000 UHS-II MicroSD. I've had this experience with 3 different (slower, but still capable) MicroSD cards.