RE: /var/log/messages and some errors

["Waldher, Travis R" <Travis R Waldher boeing com>]

> -----Original Message-----
> From: Rick Stevens [mailto:rstevens vitalstream com] 
> Sent: Monday, September 29, 2003 1:02 PM
> To: redhat-install-list redhat com
> Subject: Re: /var/log/messages and some errors
> 
> 
> Waldher, Travis R wrote:
> > I did a search, a LOT of people asked this question, according to 
> > google, no one has ever answered it.
> > 
> > What is this error I am getting and how do I get rid of it?
> > 
> > Sep 26 10:43:52 cfs3 kernel: mtrr: Serverworks LE detected. 
> > Write-combining disabled. Sep 26 10:43:52 cfs3 kernel: mtrr: your 
> > processor doesn't support write-combining
> 
> Write-combining is a mechanism whereby the processor collects 
> a number of writes to its cache into a batch and does the 
> write to non-cache RAM at one time, rather than doing the 
> write-throughs one at a time. If you're really compute bound, 
> this can help performance.  For the vast majority of people, 
> it makes no difference.

Is there anyway to get it turned off?  It's producing quiet a few errors
in the messagse file.

> 
> > While I am here... What is this one too?
> > 
> > Sep 26 10:43:30 cfs3 modprobe: modprobe: Can't locate module 
> > block-major-105 Sep 26 10:43:30 cfs3 modprobe: modprobe: 
> Can't locate 
> > module block-major-106
> > Sep 26 10:43:30 cfs3 modprobe: modprobe: Can't locate module
> > block-major-107
> > Sep 26 10:43:30 cfs3 modprobe: modprobe: Can't locate module
> > block-major-108
> > Sep 26 10:43:30 cfs3 modprobe: modprobe: Can't locate module
> > block-major-109
> > Sep 26 10:43:30 cfs3 modprobe: modprobe: Can't locate module
> > block-major-110
> > Sep 26 10:43:30 cfs3 modprobe: modprobe: Can't locate module
> > block-major-111
> 
> Is this a Compaq, by any chance?  If so, those are the block 
> major numbers for the second through eighth Compaq Next 
> Generation Drive Array controller.
> 
> > 
> > (there are a LOT more of those, with different numbers as well.)
> 
> Block (and character) major numbers are in the kernel source 
> code documents (by default, /usr/src/linux/Documentation/devices.txt).

Yes, it's a compaq.

Here is the errors I get with block mode:


Sep 24 06:51:59 cfs3 modprobe: modprobe: Can't locate module
block-major-105
Sep 24 06:51:59 cfs3 modprobe: modprobe: Can't locate module
block-major-106
Sep 24 06:51:59 cfs3 modprobe: modprobe: Can't locate module
block-major-107
Sep 24 06:52:00 cfs3 modprobe: modprobe: Can't locate module
block-major-108
Sep 24 06:52:00 cfs3 modprobe: modprobe: Can't locate module
block-major-109
Sep 24 06:52:00 cfs3 modprobe: modprobe: Can't locate module
block-major-110
Sep 24 06:52:00 cfs3 modprobe: modprobe: Can't locate module
block-major-111
Sep 24 06:52:00 cfs3 modprobe: modprobe: Can't locate module
block-major-72
Sep 24 06:52:00 cfs3 modprobe: modprobe: Can't locate module
block-major-73
Sep 24 06:52:00 cfs3 modprobe: modprobe: Can't locate module
block-major-74
Sep 24 06:52:00 cfs3 modprobe: modprobe: Can't locate module
block-major-75
Sep 24 06:52:00 cfs3 modprobe: modprobe: Can't locate module
block-major-76
Sep 24 06:52:00 cfs3 modprobe: modprobe: Can't locate module
block-major-77
Sep 24 06:52:00 cfs3 modprobe: modprobe: Can't locate module
block-major-78
Sep 24 06:52:00 cfs3 modprobe: modprobe: Can't locate module
block-major-79

That set of numbers keeps repeating.

Looking through that file I found entries for it, but what does it mean?