Public bug reported:
brcmsmac driver in current LTS kernel has a bug that causes the driver
to generate lots of error messages and slows wifi down. Commit id
8a0961482698290713d14d7755d9280397804487 was committed to upstream
kernel to address this bug and should be backported to LTS kernel.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-generic-lts-quantal 3.5.0.25.32
ProcVersionSignature: Ubuntu 3.5.0-25.39~precise1-generic 3.5.7.4
Uname: Linux 3.5.7.4-aziz i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: MID [HDA Intel MID], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: khalid 1809 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'MID'/'HDA Intel MID at 0x940c0000 irq 40'
Mixer name : 'Silicon Image SiI1392 HDMI'
Components : 'HDA:111d7603,103c145a,00100202
HDA:10951392,ffffffff,00100000'
Controls : 27
Simple ctrls : 12
Date: Mon Mar 18 12:49:13 2013
HibernationDevice: RESUME=UUID=072deab7-1049-4fc9-9599-bbaeb85a696e
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release i386
(20130213)
MachineType: Hewlett-Packard HP Slate 500
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 psbfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.7.4-aziz
root=UUID=496e874c-bd39-441f-b058-5d736416dd7d ro earlyprintk=vga
RelatedPackageVersions:
linux-restricted-modules-3.5.7.4-aziz N/A
linux-backports-modules-3.5.7.4-aziz N/A
linux-firmware 1.79.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
Mar 18 09:14:46 dadra kernel: [45005.488064] SGI XFS with ACLs, security
attributes, realtime, large block/inode numbers, no debug enabled
Mar 18 09:14:46 dadra kernel: [45005.519419] JFS: nTxBlock = 7945, nTxLock =
63566
Mar 18 09:14:46 dadra kernel: [45005.603623] NTFS driver 2.1.30 [Flags: R/O
MODULE].
Mar 18 09:14:46 dadra kernel: [45005.688779] QNX4 filesystem 0.2.3 registered.
Mar 18 09:14:46 dadra kernel: [45005.751016] Btrfs loaded
dmi.bios.date: 11/22/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.04
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 145A
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 681B
dmi.chassis.asset.tag: CNU0242QX4
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.04:bd11/22/2010:svnHewlett-Packard:pnHPSlate500:pvr0497100000202900110320000:rvnHewlett-Packard:rn145A:rvr681B:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP Slate 500
dmi.product.version: 0497100000202900110320000
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: apport-bug i386 precise qa-kernel-lts-testing running-unity
** Patch added: "Upstream patch to address BCM4313 bug"
https://bugs.launchpad.net/bugs/1156769/+attachment/3581863/+files/0001-brcmsmac-fix-mismatch-in-number-of-custom-regulatory.patch
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https://bugs.launchpad.net/bugs/1156769
Title:
Incorporate upstream commit 8a0961482698290713d14d7755d9280397804487
to 3.5 LTS kernel to address wifi issues with BCM4313
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