hostapd and fedora19 wifi hotspot

[Gianluca Cecchi]

On Tue, Jul 16, 2013 at 5:18 PM, Reindl Harald  wrote:
>
>
> Am 16.07.2013 17:14, schrieb Gianluca Cecchi:
>> Possibly NetworkManager that keeps wpa_supplicant running could
>> interfere and prevent hostapd to set AP mode?
>>
>> [g.cecchi at ope46 ~]$ sudo systemctl status wpa_supplicant
>> wpa_supplicant.service - WPA Supplicant daemon
>>    Loaded: loaded (/usr/lib/systemd/system/wpa_supplicant.service; disabled)
>>    Active: active (running) since Tue 2013-07-16 09:18:38 CEST; 7h ago
>>  Main PID: 497 (wpa_supplicant)
>>    CGroup: name=systemd:/system/wpa_supplicant.service
>>            └─497 /usr/sbin/wpa_supplicant -u -f
>> /var/log/wpa_supplicant.log -c /etc/wpa_supplican...t
>>
>> But as soon as I stop wpa, NetworkManager starts it again...
>>
>> I didn't find any option to prevent NM to keep wpa running... is it
>> hardcoded? How to stop wpa and retry with hostapd?
>
> * a) file a bug for NM
> * b) systemctl mask wpa_supplicant.service
>
> or switch to classic network.service for static configured
> machines and disable the complete NM crap - hence you can
> even use "BOOTPROTO=dhcp" in "ifcfg-XX"-files
>

OK.
I verified that masking and stopping wpa service I can start
successfully hostapd.

[g.cecchi at ope46 ~]$ sudo systemctl status hostapd
hostapd.service - Hostapd IEEE 802.11 AP, IEEE
802.1X/WPA/WPA2/EAP/RADIUS Authenticator
   Loaded: loaded (/usr/lib/systemd/system/hostapd.service; disabled)
   Active: active (running) since Tue 2013-07-16 17:23:54 CEST; 2min 45s ago
  Process: 10313 ExecStart=/usr/sbin/hostapd /etc/hostapd/hostapd.conf
-P /run/hostapd.pid -B (code=exited, status=0/SUCCESS)
 Main PID: 10314 (hostapd)
   CGroup: name=systemd:/system/hostapd.service
           └─10314 /usr/sbin/hostapd /etc/hostapd/hostapd.conf -P
/run/hostapd.pid -B

Jul 16 17:23:54 ope46 systemd[1]: Starting Hostapd IEEE 802.11 AP,
IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator...
Jul 16 17:23:54 ope46 systemd[1]: Started Hostapd IEEE 802.11 AP, IEEE
802.1X/WPA/WPA2/EAP/RADIUS Authenticator.
Jul 16 17:24:46 ope46 hostapd[10314]: wlp3s0: STA c8:60:00:12:1f:97
IEEE 802.11: authenticated
Jul 16 17:24:46 ope46 hostapd[10314]: wlp3s0: STA c8:60:00:12:1f:97
IEEE 802.11: associated (aid 1)
Jul 16 17:24:46 ope46 hostapd[10314]: wlp3s0: STA c8:60:00:12:1f:97
RADIUS: starting accounting session 51E5658A-00000000
Jul 16 17:24:46 ope46.ceda.polimi.it hostapd[10314]: wlp3s0: STA
c8:60:00:12:1f:97 WPA: pairwise key handshake completed (RSN)

And I can successfully connect and web surf from a client.

Thanks!

But I begin to continuously get this in messages:

Jul 16 17:25:04 ope46 NetworkManager[438]: <error> [1373988304.394443]
[nm-supplicant-interface.c:997] interface_add_cb(): (wlp3s0): error
adding interface: Unit wpa_supplicant.service is masked.
Jul 16 17:25:04 ope46 NetworkManager[438]: dbus_g_proxy_cancel_call:
assertion `pending != NULL' failed
Jul 16 17:25:04 ope46 NetworkManager[438]: <info> (wlp3s0): supplicant
interface state: starting -> down
Jul 16 17:25:04 ope46 NetworkManager[438]: <warn> Trying to remove a
non-existant call id.
Jul 16 17:25:04 ope46 dbus[338]: [system] Activating via systemd:
service name='fi.w1.wpa_supplicant1' unit='wpa_supplicant.service'
Jul 16 17:25:04 ope46 dbus[338]: [system] Activation via systemd
failed for unit 'wpa_supplicant.service': Unit wpa_supplicant.service
is masked.

power of my ssd based laptop I have all the system for NetworkManager
and systemd-journal ;-)

top - 17:30:51 up  8:12,  7 users,  load average: 3.43, 2.57, 1.31
Tasks: 179 total,   5 running, 174 sleeping,   0 stopped,   0 zombie
%Cpu(s): 42.3 us, 31.6 sy,  0.0 ni, 25.4 id,  0.0 wa,  0.4 hi,  0.3 si,  0.0 st
KiB Mem:   8079764 total,  5558996 used,  2520768 free,   421748 buffers
KiB Swap: 10485756 total,        0 used, 10485756 free,  3435816 cached

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+
COMMAND
  179 root      20   0 1528444  15940  15512 R  97.8  0.2   7:09.69
systemd-journal
  438 root      20   0  364916   8108   6332 R  63.2  0.1   4:31.12
NetworkManager
..

In a few minutes messages grew to 1.5Gb...
[g.cecchi at ope46 ~]$ ll /var/log/messages
-rw------- 1 root root 1497861349 Jul 16 17:32 /var/log/messages

So in the mean time I unmasked again wpa_supplicant...
Opened bug:
https://bugzilla.redhat.com/show_bug.cgi?id=985041


Gianluca