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Old 05-12-2018, 12:26 PM   #1
Ximsa
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Registered: May 2018
Location: Germany
Distribution: Slackware, Debian
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Text mode login gets overridden by some log


Hello,
i recently changed my system to show all boot messages on startup (and i want to keep it that way), but now when i get greeted by debian, this happens:
Code:
Debian GNU/Linux 9 debian tty1                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
debian login: [   15.820376] IPv6: ADDRCONF(NETDEV_UP): wlx54e6fc875223: link is not ready                                                                                                                                                      
[   15.957115] r8169 0000:03:00.0 enp3s0: link down                                                                                                                                                                                             
[   15.957218] IPv6: ADDRCONF(NETDEV_UP): enp3s0: link is not ready                                                                                                                                                                             
[   16.292361] IPv6: ADDRCONF(NETDEV_UP): wlx54e6fc875223: link is not ready                                                                                                                                                                    
[   19.859892] wlx54e6fc875223: authenticate with 00:23:cd:20:c3:a8                                                                                                                                                                             
[   20.031879] wlx54e6fc875223: send auth to 00:23:cd:20:c3:a8 (try 1/3)                                                                                                                                                                        
[   20.033471] wlx54e6fc875223: authenticated                                                                                                                                                                                                   
[   20.035163] wlx54e6fc875223: associate with 00:23:cd:20:c3:a8 (try 1/3)                                                                                                                                                                      
[   20.038988] wlx54e6fc875223: RX AssocResp from 00:23:cd:20:c3:a8 (capab=0x431 status=0 aid=1)                                                                                                                                                
[   20.047524] wlx54e6fc875223: associated                                                                                                                                                                                                      
[   20.062036] IPv6: ADDRCONF(NETDEV_CHANGE): wlx54e6fc875223: link becomes ready                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
Debian GNU/Linux 9 debian tty1                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
debian login:
Also i'm using (or got forced to use ) systemd. How do i fix this issue?
Code:
felix@debian:~$ uname -a
Linux debian 4.9.0-6-amd64 #1 SMP Debian 4.9.88-1+deb9u1 (2018-05-07) x86_64 GNU/Linux
 
Old 05-12-2018, 08:41 PM   #2
frankbell
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It might help if you told us precisely what you changed.
 
Old 05-13-2018, 12:49 AM   #3
ondoho
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boot messages show up as desired, followed by a login prompt. everything is good. what's the issue?
 
Old 05-13-2018, 03:04 AM   #4
Ximsa
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Registered: May 2018
Location: Germany
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Sorry for not being precise enougth. Changes i previously made:
/etc/default/grub
from
Code:
...
GRUB_CMDLINE_LINUX_DEFAULT="quiet"
GRUB_CMDLINE_LINUX=""
...
to
Code:
...
GRUB_CMDLINE_LINUX_DEFAULT=""
GRUB_CMDLINE_LINUX=""
...
Also worth to mention is that the Log only appears, when i have my WLAN usb dongle plugged in before boot(TP-Link TL-WN722N)

I don't think this should be desired, since after boot, the screen got cleared, and showed
Code:
Debian GNU/Linux 9 debian tty1                                                                                                                                                                                                                                                                                                                                                                                                                                                                  

debian login:
after a few seconds, this gets printed
Code:
 [   15.820376] IPv6: ADDRCONF(NETDEV_UP): wlx54e6fc875223: link is not ready                                                                                                                                                      
[   15.957115] r8169 0000:03:00.0 enp3s0: link down                                                                                                                                                                                             
[   15.957218] IPv6: ADDRCONF(NETDEV_UP): enp3s0: link is not ready                                                                                                                                                                             
[   16.292361] IPv6: ADDRCONF(NETDEV_UP): wlx54e6fc875223: link is not ready                                                                                                                                                                    
[   19.859892] wlx54e6fc875223: authenticate with 00:23:cd:20:c3:a8                                                                                                                                                                             
[   20.031879] wlx54e6fc875223: send auth to 00:23:cd:20:c3:a8 (try 1/3)                                                                                                                                                                        
[   20.033471] wlx54e6fc875223: authenticated                                                                                                                                                                                                   
[   20.035163] wlx54e6fc875223: associate with 00:23:cd:20:c3:a8 (try 1/3)                                                                                                                                                                      
[   20.038988] wlx54e6fc875223: RX AssocResp from 00:23:cd:20:c3:a8 (capab=0x431 status=0 aid=1)                                                                                                                                                
[   20.047524] wlx54e6fc875223: associated                                                                                                                                                                                                      
[   20.062036] IPv6: ADDRCONF(NETDEV_CHANGE): wlx54e6fc875223: link becomes ready
shouldn't this get printed before the screen gets cleared and the login greet spawns?

Last edited by Ximsa; 05-13-2018 at 03:11 AM.
 
Old 05-13-2018, 03:29 AM   #5
pan64
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just a question: is this all what was printed, or there are (a lot of) other lines too?
for me it looks like probably a bug, network initialization is printed on the console (only?) instead of logfile.
But I don't know how it is related to grub.
 
Old 05-13-2018, 04:44 AM   #6
Ximsa
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Registered: May 2018
Location: Germany
Distribution: Slackware, Debian
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cat /dev/vcs1

Code:
                                                                                                                                                                                                                                                
Debian GNU/Linux 9 debian tty1                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
debian login: fe[   11.861613] IPv6: ADDRCONF(NETDEV_UP): wlx54e6fc875223: link is not ready                                                                                                                                                    
l[   12.044593] r8169 0000:03:00.0 enp3s0: link down                                                                                                                                                                                            
[   12.044700] IPv6: ADDRCONF(NETDEV_UP): enp3s0: link is not ready                                                                                                                                                                             
[   12.368193] IPv6: ADDRCONF(NETDEV_UP): wlx54e6fc875223: link is not ready                                                                                                                                                                    
[   15.951170] wlx54e6fc875223: authenticate with 00:23:cd:20:c3:a8                                                                                                                                                                             
i[   16.122718] wlx54e6fc875223: send auth to 00:23:cd:20:c3:a8 (try 1/3)                                                                                                                                                                       
[   16.129025] wlx54e6fc875223: authenticated                                                                                                                                                                                                   
[   16.130700] wlx54e6fc875223: associate with 00:23:cd:20:c3:a8 (try 1/3)                                                                                                                                                                      
x[   16.142128] wlx54e6fc875223: RX AssocResp from 00:23:cd:20:c3:a8 (capab=0x431 status=0 aid=3)                                                                                                                                               
[   16.150618] wlx54e6fc875223: associated                                                                                                                                                                                                      
[   16.183898] IPv6: ADDRCONF(NETDEV_CHANGE): wlx54e6fc875223: link becomes ready                                                                                                                                                                                                                                                                                                                                                                                                               
Password:                                                                                                                                                                                                                                       
Last login: Sun May 13 10:21:00 CEST 2018 on tty1                                                                                                                                                                                               
Linux debian 4.9.0-6-amd64 #1 SMP Debian 4.9.88-1+deb9u1 (2018-05-07) x86_64                                                                                                                                                                                                                                                                                                                                                                                                                    
The programs included with the Debian GNU/Linux system are free software;                                                                                                                                                                       
the exact distribution terms for each program are described in the                                                                                                                                                                              
individual files in /usr/share/doc/*/copyright.                                                                                                                                                                                                                                                                                                                                                                                                                                                 
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent                                                                                                                                                                               
permitted by applicable law.                                                                                                                                                                                                                    
felix@debian:~$ su                                                                                                                                                                                                                              
Passwort:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
bash: ca: Kommando nicht gefunden.                                                                                                                                                                                                              
root@debian:/home/felix# cat /dev/vcs > vcs.txt                                                                                                                                                                                                 
root@debian:/home/felix# cat /dev/vcs1 > vcs1.txt
this is all which happens from the moment, when the screen gets cleared, and the debian greet "Debian GNU/Linux 9 debian tty1" appeares.
I have wicd installed, maybe its daemon prints it, but how do i test it?

Last edited by Ximsa; 05-13-2018 at 04:48 AM.
 
Old 05-14-2018, 01:01 AM   #7
ondoho
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just to be sure: there's no problem in the functionality of your computer? with the wifi?
you just want to remove the log messages from your login/text interface?

i have had the problem, and there's a fix:
Code:
nano /etc/sysctl.conf
(...)
# Uncomment the following to stop low-level messages on console
kernel.printk = 3 4 1 3
(as you can see i uncommented it already
 
Old 05-14-2018, 09:17 AM   #8
Ximsa
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Registered: May 2018
Location: Germany
Distribution: Slackware, Debian
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wow, this seems to fix it
thanks!
 
  


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