Public bug reported:
Ubuntu 11.04 Beta 2 (2.6.38-8 x86_64)
On a Lenovo Ideapad S10-3s which includes a Broadcom 4313 WiFi adapter,
should use the brcm80211 driver. On first boot after installation the
Wireless Networking is disabled in Network Manager and can not be
enabled. If the acer_wmi module is blacklisted or removed with
"modprobe -r acer_wmi" it is then possible to enable Wireless Networking
in Network Manager, however the Broadcom 4313 still does not work.
Checking with "rfkill list" shows that two devices are soft-blocked,
ideadpad_wlan and phy0. If these are enabled using "rfkill unblock
all", the operating system hangs, completely blocked from everything
short of a power cycle. This does NOT occur on other Linux
distributions using the brcm80211 driver, such as Debian Squeeze and
openSuSE 11.4.
Other symptoms of this problem: removing the "ideapad_laptop" kernel
module with "modprobe -r" causes the ideadpad_wlan device to disappear
from "rfkill list". However, attempting to enable Wireless with "rfkill
unblock phy0" still hangs the system. Likewise, blacklisting
ideapad_laptop in /etc/modprobe.d/blacklist.conf causes the S10 to hang
on boot.
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/764591
Title:
Broadcom brcm80211 driver hangs Lenovo S10-3s
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