Similar problem, same hardware. Really low throughput, and my logs are getting spammed with the following error since upgrading from Ubuntu MATE 20.04 to 20.10 beta. It worked fine in 20.04:
b43-pci-bridge 0000:03:02.0: swiotlb buffer is full (sz: 2390 bytes), total 0 (slots), used 0 (slots) According to the bcm43xx Ubunti Wiki, my hardware isn't supported by "bcmwl-kernel-source". -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1876963 Title: Broadcom [14e4:4320] BCM4306 (rev 03) Slow Wifi on Ubuntu Server 20.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1876963/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
