lkml.org 
[lkml]   [2006]   [Oct]   [30]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateMon, 30 Oct 2006 09:50:53 -0800
FromZachary Amsden <>
SubjectRe: 2.6.18 is problematic in VMware
Jan Engelhardt wrote:
> Hello list,
>
>
> I have observed a strange slowdown with the 2.6.18 kernel in VMware. 
> This happened both with the SUSE flavor and with the FC6 installer CD 
> (which I am trying right now). In both cases, the kernel "takes its 
> time" after the following text strings:
>
> * Checking if this processor honours the WP bit even in supervisor mode... Ok.
> * Checking 'hlt' instruction... OK.
>
> What's with that?
> 

Thanks.  It is perhaps the jiffies calibration taking a while because of 
the precise timing loop.  Are you reasonably confident that it is a 
regression in performance over 2.6.17?  The boot sequence is pretty 
complicated, and a lot of it is difficult / slow to virtualize, so it 
could just be alternate timing makes the boot output appear to stall, 
when in fact the raw time is still about the same.  I will run some 
experiments.

Zach
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-10-30 17:55    [from the cache]
©2003-2008