Return-path: Received: from mail-ot0-f181.google.com ([74.125.82.181]:44858 "EHLO mail-ot0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753216AbdKWSYI (ORCPT ); Thu, 23 Nov 2017 13:24:08 -0500 Received: by mail-ot0-f181.google.com with SMTP id d27so16928349ote.11 for ; Thu, 23 Nov 2017 10:24:07 -0800 (PST) Subject: Re: rtl8723be on Fedora27 To: =?UTF-8?Q?R=c3=a1kosi_Gergely?= , James Cameron Cc: linux-wireless@vger.kernel.org References: <3a1fc541-9104-2d13-409f-c8e64845a86d@lwfinger.net> <2524fe93-9d8a-523e-3256-2b495c951eb0@lwfinger.net> <20171121203746.GC5400@us.netrek.org> <20171121213046.GD5400@us.netrek.org> <44aaa502-a8f0-c494-f3d2-674e398ca16c@gmail.com> From: Larry Finger Message-ID: <88073798-e6c3-99a8-15ff-d3c7a8b3ef55@lwfinger.net> (sfid-20171123_192412_266190_BBD0E138) Date: Thu, 23 Nov 2017 12:24:05 -0600 MIME-Version: 1.0 In-Reply-To: <44aaa502-a8f0-c494-f3d2-674e398ca16c@gmail.com> Content-Type: text/plain; charset=iso-8859-2; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 11/23/2017 08:36 AM, R?kosi Gergely wrote: > 2017-11-21 22:30 keltez?ssel, James Cameron ?rta: >> On Tue, Nov 21, 2017 at 09:52:12PM +0100, R?kosi Gergely wrote: >>> 2017-11-21 21:37 keltez?ssel, James Cameron ?rta: >>>> On Tue, Nov 21, 2017 at 03:08:16PM +0100, R?kosi Gergely wrote: >>>>> 2017-11-18 16:52 keltez?ssel, Larry Finger ?rta: >>>>>> On 11/17/2017 06:22 PM, R?kosi Gergely wrote: >>>>>>> Hello Larry, >>>>>>> >>>>>>> First of all, thanks your help. >>>>>>> Lets see...here is the kernel version: 4.13.12-300 >>>>>>> The machine is an Asus ROG 553VE >>>>>>> >>>>>>> The firmware which loading in the dmesg is : rtlwifi/rtl8723befw_36.bin >>>>>>> The output of md5sum is : 1850c1308fbcd95e9f6a7f58ede1e35f >>>>>> [...] >>>>>> sudo iw dev wlan0 scan | egrep "SSID|signal" >>>>>> >>>>>> Post that output. In addition, copy the dmesg output to some pastebin >>>>>> and post the link as well. >>>>>> >>>>>> Larry >>>>>> >>>>> Hello Larry, >>>>> >>>>> I hope this email post format is good, and fit to the rules. >>>>> Here is the output: >>>>> >>>>> root@skynet-x2 ~]# iw dev wlp2s0 scan | egrep "SSID|signal" >>>>> ??????? signal: -46.00 dBm >>>>> ??????? SSID: SKYNET-X2 >>>>> [...] >>>>> [root@skynet-x2 ~]# >>>> Scan results seem normal. Was this scan before disconnect? >>> Yes, this command output taken while the connection was OK >> Thanks. >> >>>>> And the dmesg output: >>>>> >>>>> https://pastebin.com/iqQSu2hD >>>> Is now v4.13.13. >>> Yes, thats the upgraded kernel >>> >>>> This is interesting, an H2C command was dropped, but no idea which. >>>> >>>> [ 9.848052] rtl8723be: error H2C cmd because of Fw download fail!!! >>>> >>>> Disconnection happened at boot+440 seconds, associate+429 seconds; >>>> >>>> [ 439.871033] rtlwifi: AP off, try to reconnect now >>>> [ 439.871093] wlp2s0: Connection to AP 4c:5e:0c:c7:fa:e3 lost >>>> >>>> I cannot tell what causes disconnect. I wonder if the same >>>> timing of the problem happens always, or if the timing varies. >>> The timing always changing, never is the same. And I dont realize >>> the cause at now... >> Thanks. I had similar problem with different wireless device. >> >>>> Init MAC failed was another 30 seconds later; >>>> >>>> [ 468.600670] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready >>>> [ 469.618926] rtl8723be: Init MAC failed >>>> >>>> Looking at _rtl8723be_init_mac, there are two false returns; >>>> hardware power on fail, and llt write fail. >>>> >>>> Sorry, I don't have rtl8723be hardware. >>>> >>>> R?kosi, did any older kernel keep connection? >>> The oldest kernel is 4.13.9-300.fc27.x86_64 in Fedora 27 >>> installation, but did the same. If you can give advise how, and >>> what I do, then I'll try it. >> You might try running "Live CD" of Fedora 26 or Fedora 25, without >> installing, to test if unexpected disconnection happens in two older >> kernels. Not for permanent solution, just for easy testing. >> >> I don't have specific advice for Fedora 27, you might ask Fedora >> community about that, or use RHBZ. A quick search finds this old 2013 >> page; >> >> https://fedoraproject.org/wiki/User:Ignatenkobrain/Kernel/Bisection >> > And now the wireless is working almost 20 hours long, from yesterday > afternoon. I dont know why. Lets check some happening: > - Yesterday I disconnect the charger from laptop, and lay down at the > other room > - I left the laptop more than a hour without interaction, so the system > is going to sleep > - When I push the keyboard the system load up, and everything is working > fine > - The battery almost depleted when I going back to the original room, > and connect the charger > > Then nothing changed, and I have a working rtl8723be wifi module. Why ? Who knows? I do not understand why it did not work before the way mine does with openSUSE! Larry