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List:       soekris-tech
Subject:    Re: [Soekris] debian verbose boot messages not seen
From:       Patrick Masotta <masottaus () yahoo ! com>
Date:       2011-07-10 7:55:18
Message-ID: 1310284518.50267.YahooMailClassic () web121411 ! mail ! ne1 ! yahoo ! com
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you have missing the part that tells the kernel that it has to work using a serial "console"

GRUB_CMDLINE_LINUX="console=tty0 console=ttyS0,19200n8"




--- On Sat, 7/9/11, Landon Curt Noll <soekris-mail@asthe.com> wrote:

> From: Landon Curt Noll <soekris-mail@asthe.com>
> Subject: [Soekris] debian verbose boot messages not seen
> To: soekris-tech@lists.soekris.com
> Date: Saturday, July 9, 2011, 6:30 PM
> Hello,
> 
> We are running debian 6.0 (squeeze) on our net5501-70
> units.  We have been unable to see any verbose kernel
> output.
> 
> Our /etc/default/grub has:
> 
>    
> GRUB_CMDLINE_LINUX_DEFAULT="verbose"     
>                
>                
>       
>     GRUB_CMDLINE_LINUX="verbose" 
>     ...
>     GRUB_TERMINAL="console serial"
>     ...
>     GRUB_TERMINAL=serial
>     GRUB_SERIAL_COMMAND="serial --unit=0
> --speed=19200 --word=8 --parity=no --stop=1   
>                
>                
>            
>    
> 
> And the update-grub command produces a /boot/grub/grub.cfg
> file with:
> 
>    
> linux   /vmlinuz-2.6.32-5-486
> root=UUID=47512b1a-4abc-46a2-97f3-0b8152d43d87 ro verbose
> 
> However the boot process remains non-verbose:
> 
>      Booting 'Debian GNU/Linux,
> with Linux 2.6.32-5-486'
> 
>     Loading Linux 2.6.32-5-486 ...
>     Loading initial ramdisk ...
> 
>     Debian GNU/Linux 6.0 hostname ttyS0
> 
>     hostname login: 
> 
> We do see verbose output in /var/log/dmesg:
> 
>     [    0.000000] Initializing
> cgroup subsys cpuset         
>                
>       
>     [    0.000000] Initializing
> cgroup subsys cpu           
>                
>        
>     [    0.000000] Linux version
> 2.6.32-5-486 (Debian 2.6.32-35) (dannf@debian.org)1
>     ...
>     [   10.718758] EXT3 FS on
> sdb1, internal journal         
>                
>       
>     [   10.718800] EXT3-fs:
> mounted filesystem with ordered data mode.   
>           
>     [   12.556156] eth0: link
> up, 100Mbps, full-duplex, lpa 0xC5E1     
>             
> 
> Is there some Soekris specific debian configuration we need
> to use in order to see these verbose messages on our serial
> port?
> 
> chongo (Landon Curt Noll) /\oo/\
> 
> _______________________________________________
> Soekris-tech mailing list
> Soekris-tech@lists.soekris.com
> http://lists.soekris.com/mailman/listinfo/soekris-tech
> 
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