Re: [Xen-users] How to look at (XEN) initialization messages

[Michael Walker <Michael.Walker@xxxxxxxxxxx>]

try 'xm dmesg':

[root@q0318 ~]# xm dmesg | head -20
__  __            _____  ___                     _        _     _
\ \/ /___ _ __   |___ / / _ \    _   _ _ __  ___| |_ __ _| |__ | | ___
 \  // _ \ '_ \    |_ \| | | |__| | | | '_ \/ __| __/ _` | '_ \| |/ _ \
 /  \  __/ | | |  ___) | |_| |__| |_| | | | \__ \ || (_| | |_) | |  __/
/_/\_\___|_| |_| |____(_)___/    \__,_|_| |_|___/\__\__,_|_.__/|_|\___|

http://www.cl.cam.ac.uk/netos/xen
University of Cambridge Computer Laboratory

Xen version 3.0-unstable (brewbuilder@xxxxxxxxxxxxxxxx) (gcc version 4.1.1 
20060525 (Red Hat 4.1.1-1)) Tue Aug  8 15:25:20 EDT 2006
Latest ChangeSet: unavailable

(XEN) Command line: /xen.gz-2.6.17-1.2174_FC5
(XEN) WARNING: Only the first 4 GB of the physical memory map can be accessed
(XEN)          by Xen in 32-bit mode. Truncating the memory map...
(XEN) Physical RAM map:
(XEN)  0000000000000000 - 000000000009dc00 (usable)
(XEN)  000000000009dc00 - 00000000000a0000 (reserved)
(XEN)  00000000000e4000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 00000000aff60000 (usable)
close failed: [Errno 32] Broken pipe
[root@q0318 ~]#



_Mike_



Derek wrote:
> Newbie question, but I can't find the answer anywhere:
>  
> I need to look at the (XEN)....  messages that scroll by like 
> lightning.  Way too fast for a human to read them.
>  
> I can't pause them (No respond to ctrl-S or Scrl-Lock).
> I can't redirect them to serial (My computer has no serial port).
> I can't send them to disk.  (No way I know of.  Seems unlikely, anyway, 
> since there are no mounted filesystems yet).
> I can't find any grub xen command line option that will slow them down 
> to human-readable speed.
> I even tried to catch them with my digital camera, but that failed.  
> (Shutter lag is too great, tried about 100 times, but can't capture the 
> screen at the right instant.
>  
> Any thoughts on how to slow the (XEN)... messages to human-readable speed?
>  
> Thanks,
> Derek.
>
>
> ------------------------------------------------------------------------
>
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