Just received this answer from the mirrorservice.org team:

Looks like a timing issue. It caught up not long after your email. I'll
increase the frequency of the syncs to minimise this issue. Could you
post an update to the forum?

The issue has been resolved, no more 404.

Looks like there's an issue in the UK. UK: mirrordirector.raspbian.org --redirects_to--> http://www.mirrorservice.org (which doesn't seem to be hosting packages anymore) France: mirrordirector.raspbian.org --redirects_to--> mirror.nl.leaseweb.net (which is fine) i.e. with http://mirrordirector.raspb...

Just bought a Anker 7-port with VIA812-B2 chipset.
rpi-update was not enough; Adding dwc_otg.speed=1 to /boot/cmdline.txt works

I can confirm USB 3.0 hubs (VIA812-B2 chipset) are working with the RPI B+ with this little hack.

Actually I've found what I needed on this thread: https://github.com/raspberrypi/firmware/issues/64 Thank you, I'm aware that the Raspberry Pi has 2.0 USB ports. I want to take advantage of the 0.9A USB 3.0 ports instead of 0.5A (USB 2.0 specs), which is very helpful when it comes to Bitcoin mining ...

Confirmed to be working with the Orico 10-port USB 3.0 hub and latest RPi and firmware. Hi vallieres! I'm struggling to find a USB 3.0 Hub for my RPI B+. Would you mind sharing more details about what is working exactly and the Orico 10-port model that you bought? - Are you able to plug USB 1.1 dev...