Bug 1259197

Summary: Systemd rfkill fails to restore switch state on Dell laptops
Product: [Fedora] Fedora Reporter: Oded Arbel <oded>
Component: systemdAssignee: systemd-maint
Status: CLOSED EOL QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 22CC: johannbg, jsynacek, lnykryn, msekleta, s, systemd-maint, zbyszek
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Hardware: Unspecified   
OS: Unspecified   
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Fixed In Version: Doc Type: Bug Fix
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Last Closed: 2016-07-19 17:45:44 UTC Type: Bug
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Oded Arbel 2015-09-02 07:37:35 UTC 
Description of problem:
On a Dell Latitude E5440, rfkill switches are reset after reboot.

Version-Release number of selected component (if applicable):
systemd-219-21.fc22

How reproducible:
Always

Steps to Reproduce:
1. Use gnome-bluetooth to disable bluetooth (there are no keyboard software switches)
2. Check rfkill software switch state and verify bluetooth is blocked (See example below)
3. Reboot
4. Check rfkill software switch state

Actual results:
bluetooth is not blocked

Expected results:
bluetooth should be blocked

Additional info:

Before reboot:
$ sudo cat /sys/kernel/debug/dell_laptop/rfkill
status: 0x5035D
Bit 0 : Hardware switch supported:   1
Bit 1 : Wifi locator supported:      0
Bit 2 : Wifi is supported:           1
Bit 3 : Bluetooth is supported:      1
Bit 4 : WWAN is supported:           1
Bit 5 : Wireless keyboard supported: 0
Bit 8 : Wifi is installed:           1
Bit 9 : Bluetooth is installed:      1
Bit 10: WWAN is installed:           0
Bit 16: Hardware switch is on:       1
Bit 17: Wifi is blocked:             0
Bit 18: Bluetooth is blocked:        1
Bit 19: WWAN is blocked:             0

hwswitch_state: 0x1F
Bit 0 : Wifi controlled by switch:      1
Bit 1 : Bluetooth controlled by switch: 1
Bit 2 : WWAN controlled by switch:      1
Bit 7 : Wireless switch config locked:  0
Bit 8 : Wifi locator enabled:           0
Bit 15: Wifi locator setting locked:    0

After reboot:
$ sudo cat /sys/kernel/debug/dell_laptop/rfkill
[sudo] password for odeda: 
status: 0x1035D
Bit 0 : Hardware switch supported:   1
Bit 1 : Wifi locator supported:      0
Bit 2 : Wifi is supported:           1
Bit 3 : Bluetooth is supported:      1
Bit 4 : WWAN is supported:           1
Bit 5 : Wireless keyboard supported: 0
Bit 8 : Wifi is installed:           1
Bit 9 : Bluetooth is installed:      1
Bit 10: WWAN is installed:           0
Bit 16: Hardware switch is on:       1
Bit 17: Wifi is blocked:             0
Bit 18: Bluetooth is blocked:        0
Bit 19: WWAN is blocked:             0

hwswitch_state: 0x1F
Bit 0 : Wifi controlled by switch:      1
Bit 1 : Bluetooth controlled by switch: 1
Bit 2 : WWAN controlled by switch:      1
Bit 7 : Wireless switch config locked:  0
Bit 8 : Wifi locator enabled:           0
Bit 15: Wifi locator setting locked:    0
Comment 1 Fedora End Of Life 2016-07-19 17:45:44 UTC 
Fedora 22 changed to end-of-life (EOL) status on 2016-07-19. Fedora 22 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of
Fedora please feel free to reopen this bug against that version. If you
are unable to reopen this bug, please file a new report against the
current release. If you experience problems, please add a comment to this
bug.

Thank you for reporting this bug and we are sorry it could not be fixed.