aubergine, thank you for testing the newest mainline kernel. The next
step would be to bisect from Quantal to Raing, in order to identify the
commit that caused this regression. Could you please do this following
https://wiki.ubuntu.com/Kernel/KernelBisection ?
** Tags removed: kernel-bug-exists-upstream-v3.9-rc8 needs-upstream-testing
** Tags added: kernel-bug-exists-upstream-v3.11-rc2
** Tags added: needs-bisect
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1174347
Title:
14e4:4331 Broadcom BCM4331 unusable with Raring kernel 3.8.0-19
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
I'm using a MacBookPro 8.1 with BCM4331 and it's linux driver b43.
After upgrading to Ubuntu Raring with kernel 3.8.0-19 my wirless network
device is nearly unusable.
List of issues:
- After suspend the wireless network connection doesn't go online again. The
known network isn't found without changing the distance to the wireless network
router.
- Sometimes after reboot the wireless network connection doesn't go online
without changing the distance or place
- iwlist scanning shows only 25% or less of all physical available networks.
Wireless network performance is bad.
I'm using the old kernel 3.5.0-27 from Quantal Quetzal again and the
wirless network is working fine again. None of the issues above are
present.
---
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: username 2282 F.... pulseaudio
DistroRelease: Ubuntu 13.04
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=75279a36-a90a-4c40-9a0e-c440e5080a88
InstallationDate: Installed on 2012-11-26 (154 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MachineType: Apple Inc. MacBookPro8,1
MarkForUpload: True
Package: linux 3.8.0.19.35
PackageArchitecture: amd64
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-19-generic
root=/dev/mapper/ubuntu-root ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
RelatedPackageVersions:
linux-restricted-modules-3.8.0-19-generic N/A
linux-backports-modules-3.8.0-19-generic N/A
linux-firmware 1.106
Tags: raring
Uname: Linux 3.8.0-19-generic x86_64
UpgradeStatus: Upgraded to raring on 2013-04-27 (2 days ago)
UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo video
dmi.bios.date: 01/24/12
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP81.88Z.0047.B27.1201241646
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-94245B3640C91C81
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookPro8,1
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-94245B3640C91C81
dmi.modalias:
dmi:bvnAppleInc.:bvrMBP81.88Z.0047.B27.1201241646:bd01/24/12:svnAppleInc.:pnMacBookPro8,1:pvr1.0:rvnAppleInc.:rnMac-94245B3640C91C81:rvrMacBookPro8,1:cvnAppleInc.:ct10:cvrMac-94245B3640C91C81:
dmi.product.name: MacBookPro8,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
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