https://bugzilla.kernel.org/show_bug.cgi?id=16570
Summary: acer-wmi is loaded on a Lenovo Idepad S12
(Intel/Broadcom version), causes problems with
NetworkManager
Product: ACPI
Version: 2.5
Kernel Version: kernel-PAE-2.6.34.3-37.fc13.i686
Platform: All
OS/Version: Linux
Tree: Fedora
Status: NEW
Severity: normal
Priority: P1
Component: Platform-Drivers
AssignedTo: acpi_platform-driv...@kernel-bugs.osdl.org
ReportedBy: vpiva...@cs.helsinki.fi
Regression: No
I have a Lenovo Ideapad S12 (the Intel-based version with Broadcom network
hardware) and for some reason the acer-wmi module gets loaded. This breaks
NetworkManager and I need to click on "Enable Wireless" after login to get the
wifi chip to scan for networks.I think this is due to the acer-wmi driver
adding a killswitch which is disabled by default or something like that. If I
blacklist the acer-wmi driver, wifi networking works as expected.
Here's some diagnostics I was asked to collect on the networkmanager-list:
"rfkill list" with acer-wmi:
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: acer-wireless: Wireless LAN
Soft blocked: yes
Hard blocked: no
2: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
"rfkill list" without acer-wmi:
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
3: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
"cat /sys/class/rfkill/*/state" with acer-wmi:
1
0
1
"cat /sys/class/rfkill/*/state" without acer-wmi:
1
1
"cat /sys/class/rfkill/*/type" with acer-wmi:
bluetooth
wlan
wlan
"cat /sys/class/rfkill/*/type" without acer-wmi:
wlan
bluetooth
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