New bug report created here:
https://bugs.launchpad.net/ubuntu/+source/b43-fwcutter/+bug/1899848
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https://bugs.launchpad.net/bugs/1876963
Title:
Broadcom [14e4:4320]
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 :03:02.0: swiotlb buffer is full (sz: 2390 bytes),
total 0 (slots), used 0 (slots)
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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Please try the "bcmwl-kernel-source" proprietary driver.
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1876963
Added attachment containing full dmesg
** Attachment added: "dmesg.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1876963/+attachment/5367753/+files/dmesg.txt
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Probably a good idea to attach full dmesg here...
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https://bugs.launchpad.net/bugs/1876963
Title:
Broadcom [14e4:4320] BCM4306 (rev 03) Slow Wifi on Ubuntu Server 20.04
** Tags added: hwe-networking-wifi
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https://bugs.launchpad.net/bugs/1876963
Title:
Broadcom [14e4:4320] BCM4306 (rev 03) Slow Wifi on Ubuntu Server 20.04
Status in linux
Thanks...gave it a try
$ sudo apt-get remove firmware-b43-installer
$ sudo apt-get autoremove -y
$ sudo apt-get install -y bcmwl-kernel-source
$ sudo reboot
The wifi card is not recognised after rebooting...inspecting logs from
dmesg gives:
wl: loading out-of-tree module tains kernel
wl:
Proprietary wl driver might be a better choice:
$ sudo apt install bcmwl-kernel-source
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https://bugs.launchpad.net/bugs/1876963
Title:
Broadcom [14e4:4320] BCM4306 (rev
apport-collect 1876963 saved to file - unable to send wifi too slow
** Attachment added: "apport-collect 1876963 saved to file - unable to send
wifi too slow"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1876963/+attachment/5367397/+files/apport.linux.7id7fsgb.apport
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Add apport-collect 1876963 saved as a file attachment to bug report
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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After reading https://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx
filed the bug under linux package instead of b43-fwcutter since suspect
the issue is with the b43 driverand not the firmware installer
** Package changed: b43-fwcutter (Ubuntu) => linux (Ubuntu)
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Receiving messaging from b43 module/driver:
"[ 164.945040] b43-pci-bridge :04:07.0: swiotlb buffer is full (sz:
55 bytes), total 0 (slots), used 0 (slots) (repeated 3 times)"
Wifi is very slow.
** Package changed: ubuntu => b43-fwcutter (Ubuntu)
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