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Date:      13 Oct 2002 01:08:42 +0200
From:      Frode Nordahl <frode@nordahl.net>
To:        current@freebsd.org
Subject:   dmesg showing garbage
Message-ID:  <1034464124.624.2.camel@samwise.xu.nordahl.net>

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Hello, 

I have noticed for some time now that the top of dmesg after a reboot
often contains garbage. 

The more strange thing is that it some times also contains console
output from the previous shutdown sequence. 

Example of somewhat garbled data: 
%dmesg |head 
module "/bo\^?t/kErnel/snd_via82c686.ko\^B ap 0xc06560a8. 
Xre|oaded elf module "/boot/kerned/snd_pcm.ko" at \M-0xc065615c. 
Preloaded elf module "/boot/kernel/uplcom.ko" at 0xc0656208. 
Preloaded elf m/dule "/boot/kernel/\M-ucom\M-.ko" at 0xc06562b4. 
Preloaded elf module "/boot/kerngl/firewire.ko" at 0xc065636 . 
Preloaded elf module!"/boot/iernel/acpi.ko" at 0xc0656410. 
Timecounter "i8254"  frequency 1193182 Hz 
Timecounter "TSC"  frequencY 11936924410Hz 
CPU: Pentium III'Pentium III Xeon/Celeron (1193.69-MHz 686-class CPU) 
  Origin = "GenuineIntel"  Id 5 0x6b1  Stepping = 1 
%


Whenever I reboot to singleusermode to run installworld + mergemaster,
after a reboot I get some of the console output from before the reboot
in the dmesg log.

Example:
%dmesg |head
 *** Temp ./etc/mtree/BSD.usr.dist and installed have the same CVS Id,
deleting
Waiting (max 60 seconds) for system process `vnlru' to stop...stopped
Waiting (max 60 seconds) for system process `bufdaemon' to
stop...stopped
Waiting (max 60 seconds) for system process `syncer' to stop...stopped

syncing disks... 13 13 13 
done
Uptime: 43s
Terminate ACPI
Rebooting...
%


Is this a feature, or a bug? 



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