Public bug reported:
Binary package hint: firmware-b43-installer
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=10.10
DISTRIB_CODENAME=maverick
DISTRIB_DESCRIPTION="Ubuntu 10.10"
Linux HP 2.6.35-28-generic #50-Ubuntu SMP Fri Mar 18 18:42:20 UTC 2011 x86_64
GNU/Linux
Laptop is a HP Pavilion dv9500 with a wireless hardware switch.
Problem seems to occur after intensive wireless use (simultaneous video, IM,
IRC and web surfing) or after being on continuously for more than 24 hours.
Network manager will indicate disconnection from wireless network (WPA2) and
any subsequent attempts to reconnect will not work (nw will act as if interface
is down).
Attempted modprobe -r / -i of b43 driver, restart of /etc/init.d/network and
/etc/init.d/network-manager and flipping physical hardware switch in various
orders. Out put of lspci -vnn follows:
03:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN
[14e4:4311] (rev 02)
Subsystem: Hewlett-Packard Company BCM4311 802.11b/g Wireless LAN
Controller [103c:1374]
Flags: bus master, fast devsel, latency 0, IRQ 19
Memory at f6000000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [40] Power Management version 3
Capabilities: [58] Vendor Specific Information: Len=78 <?>
Capabilities: [e8] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [d0] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [13c] Virtual Channel
Capabilities: [160] Device Serial Number f9-48-73-ff-ff-90-00-1a
Capabilities: [16c] Power Budgeting <?>
Kernel driver in use: b43-pci-bridge
Kernel modules: ssb
dmesg is provided for when this occurs if helpful.
** Affects: b43-fwcutter (Ubuntu)
Importance: Undecided
Status: New
** Tags: b43 bcm4311 broadcom hp
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https://bugs.launchpad.net/bugs/772124
Title:
broadcom 14e4:4311, B43 and STA drivers sporadically disconnect
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