Public bug reported:
Network speed with brcmsmac is very slow. I can't open even open
speedtest.net page.
Here is iwconfig output:
-----
wlp3s0b1 IEEE 802.11bgn ESSID:"tim-63"
Mode:Managed Frequency:2.462 GHz Access Point: BC:AE:C5:A7:96:43
Bit Rate=6 Mb/s Tx-Power=19 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=69/70 Signal level=-41 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:15 Invalid misc:78 Missed beacon:0
----
Same problem is on 4.9 mainline kernel.
Broadcom wl driver works properly but it doesn't support 4.9 kernel.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-generic 4.4.0.57.60
ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35
Uname: Linux 4.4.0-57-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: tim 1742 F.... pulseaudio
CurrentDesktop: XFCE
Date: Mon Dec 26 07:08:02 2016
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=/dev/mapper/cryptswap1
InstallationDate: Installed on 2016-11-19 (37 days ago)
InstallationMedia: Xubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
MachineType: LENOVO 33587ZG
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-57-generic
root=UUID=a25c71fc-a91c-430c-b805-aa45ec3946ff ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-57-generic N/A
linux-backports-modules-4.4.0-57-generic N/A
linux-firmware 1.157.6
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/18/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: H4ET67WW (2.06 )
dmi.board.asset.tag: Not Available
dmi.board.name: 33587ZG
dmi.board.vendor: LENOVO
dmi.board.version: Win8 STD EM DPK TPG
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrH4ET67WW(2.06):bd10/18/2012:svnLENOVO:pn33587ZG:pvrThinkPadEdgeE130:rvnLENOVO:rn33587ZG:rvrWin8STDEMDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 33587ZG
dmi.product.version: ThinkPad Edge E130
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1652562
Title:
BCM4313: very slow speed with brcmsmac
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