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wpa_supplicant or Wifi card causing rare reboots
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el muchacho
Tux's lil' helper
Tux's lil' helper


Joined: 26 Mar 2015
Posts: 77

PostPosted: Tue Apr 28, 2015 9:05 pm    Post subject: wpa_supplicant or Wifi card causing rare reboots Reply with quote

Hi,

once in a while (3 times in a month), starting up my net interface caused reboots. And the problem would happen again and again until I shutdown the machine for a little while and retried after. (just a reboot wouldn't make it go away).

When starting my net interface, I would see:

Code:

* Bringing up interface wlp3s0
*  Caching network module dependencies
need firewalld
need dbus
*  Starting wpa_supplicant on wlp3s0.  <--- this line wouldn't appear and then it would reboot within 2 or 3 seconds


Wifi device:

Code:
03:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8192CE PCIe Wireless Network Adapter (rev 01)


Unfortunately, nothing in dmesg or in other logs !

(i specifically ran the net interface startup while tailing and teeing those logs but i didn't get anything)
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dirk_salewski
Apprentice
Apprentice


Joined: 04 Jun 2003
Posts: 216
Location: Germany

PostPosted: Wed Apr 29, 2015 7:15 pm    Post subject: Reply with quote

Is that device an extension card plugged into a PCIe slot? If yes - well, sounds stupid, but is it correctly inserted?
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Egal was Du kochst: Karl Marx.
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el muchacho
Tux's lil' helper
Tux's lil' helper


Joined: 26 Mar 2015
Posts: 77

PostPosted: Wed Apr 29, 2015 9:32 pm    Post subject: Reply with quote

Yes it is, and it is correctly installed. I might try changing the slot though.

What really surprises me is that i can let it reboot automatically 4, 5, times in a row, it will still be making the machine rebooting when starting up.

If i switch the machine off for 2 minutes, and try again, it's fine ! (i had this sequence several times)
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