Re: 6.0-RELEASE/AMD64 Ram Capacity?

2006-03-13 Thread Douglas K. Rand
Nathan I seem to recall various threads relating to problems with
Nathan machines running at or above 4GB ram... what if any issues
Nathan still exist?

Kris Some specific drivers do not work on such systems.  FreeBSD
Kris itself has no problems.

Is there a means of telling (or even better, a list) which drivers
handle (or those that don't) more than 4 GB of RAM?

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Re: 6.0-RELEASE/AMD64 Ram Capacity?

2006-03-13 Thread Scott Long

Kris Kennaway wrote:

On Fri, Mar 10, 2006 at 02:43:20PM -0500, Nathan Vidican wrote:

I seem to recall various threads relating to problems with machines running 
at or above 4GB ram... what if any issues still exist?



The only potential issues are with specific drivers (e.g. ata).
Search the amd64 mailing list archives for more discussion.

Kris


Ok, off the top of my head:

Storage drivers that are known to work with amd64 and 4GB of RAM or more:

aac
amr
iir (6.1 and above only)
ips
ahc
ahd
ciss
arcmsr
mpt
isp

Storage drivers that should work, but might need more testing and 
validation:


twa
twe
mlx
mly
amd
trm


Storage drivers that are known to have problems under load:

ata
hptmv


Storage drivers that simply will not work::

asr
asr
asr
asr
asr
pst
ida
sym


This list isn't definitive, and I've purposely excluded ISA controllers
and controllers that are significantly out of date, but it's close
enough to give you a good idea of what to shop for.

Personally, I feel a bit bad that ata and sym aren't in the first group,
but there are only so many hours in the day.  Both present interesting
challenges.

Scott
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Re: 6.0-RELEASE/AMD64 Ram Capacity?

2006-03-13 Thread Gary Palmer
On Mon, Mar 13, 2006 at 01:57:53PM -0700, Scott Long wrote:
 
 Storage drivers that simply will not work::
 
 asr
 asr
 asr
 asr
 asr
 pst
 ida
 sym

Any particular reason asr is listed 5 times?  Did you mean to replace
some of them with other drivers, or are you emphatically sure that asr
is broken? :-)
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Re: 6.0-RELEASE/AMD64 Ram Capacity?

2006-03-13 Thread Scott Long

Gary Palmer wrote:

On Mon, Mar 13, 2006 at 01:57:53PM -0700, Scott Long wrote:


Storage drivers that simply will not work::

asr
asr
asr
asr
asr
pst
ida
sym



Any particular reason asr is listed 5 times?  Did you mean to replace
some of them with other drivers, or are you emphatically sure that asr
is broken? :-)


It's there to make a point.  Do not buy asr hardware and expect it to
work on amd64.  The driver comes from the vendor, and the vendor hasn't
had any interest in supporting it since 2001.  There are many other
vendors who make much higher quality cards and who are actively
interested in supporting FreeBSD, so I recommend doing business with
them.

Scott
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Re: 6.0-RELEASE/AMD64 Ram Capacity?

2006-03-13 Thread Kris Kennaway
On Fri, Mar 10, 2006 at 02:43:20PM -0500, Nathan Vidican wrote:
 I seem to recall various threads relating to problems with machines running 
 at or above 4GB ram... what if any issues still exist?

The only potential issues are with specific drivers (e.g. ata).
Search the amd64 mailing list archives for more discussion.

Kris

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Re: 6.0-RELEASE/AMD64 Ram Capacity?

2006-03-13 Thread John-Mark Gurney
Douglas K. Rand wrote this message on Mon, Mar 13, 2006 at 14:11 -0600:
 Nathan I seem to recall various threads relating to problems with
 Nathan machines running at or above 4GB ram... what if any issues
 Nathan still exist?
 
 Kris Some specific drivers do not work on such systems.  FreeBSD
 Kris itself has no problems.
 
 Is there a means of telling (or even better, a list) which drivers
 handle (or those that don't) more than 4 GB of RAM?

http://www.freebsd.org/projects/busdma/

-- 
  John-Mark Gurney  Voice: +1 415 225 5579

 All that I will do, has been done, All that I have, has not.
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busdma/ata sysinstall [Was: Re: 6.0-RELEASE/AMD64 Ram Capacity?]

2006-03-13 Thread Igor Mozolevsky
I've spent a considerable amount of time looking through ata/busdma  
drivers, they need a lot of tidying up, lack of comments doesn't help  
either... i'd like to grab the handle on busdma  ata projects, with  
the aim of having them in production state for  6.5-STABLE.


I was also looking at systinstall, which requires a major rework, and  
we have some ideas for that too, I'd say also aim for 6.5. I also am  
going to talk to Scott L. about it in the near future.


If you have any ideas/suggestions for the above drop me an email.

Cheers,
Igor :-)

On 13 Mar 2006, at 22:38, John-Mark Gurney wrote:

Douglas K. Rand wrote this message on Mon, Mar 13, 2006 at 14:11  
-0600:

Nathan I seem to recall various threads relating to problems with
Nathan machines running at or above 4GB ram... what if any issues
Nathan still exist?

Kris Some specific drivers do not work on such systems.  FreeBSD
Kris itself has no problems.

Is there a means of telling (or even better, a list) which drivers
handle (or those that don't) more than 4 GB of RAM?


http://www.freebsd.org/projects/busdma/

--
  John-Mark Gurney  Voice: +1 415 225 5579

 All that I will do, has been done, All that I have, has not.
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6.0-RELEASE/AMD64 Ram Capacity?

2006-03-10 Thread Nathan Vidican
I seem to recall various threads relating to problems with machines running at 
or above 4GB ram... what if any issues still exist?


We're currently operating with 2GB ECC Registered PC333 ram, but are finding a 
fairly constant usage of about 1700MB swap space; like to increase system 
memory, and installed motherboard supports 16 slots x 2GB DIMMS each (for 32Gb 
total) - but what about FreeBSD?


System is running:
- Apache (about 10-12 mod_perl httpd's @ 90MB ram each)
- Apache (about 20-30 very basic httpds for static stuff @ 12Mb each)
- Sendmail, including MimeDefang and SA processes at some 90MB each
- MySQL 4.1 running about 70MB Ram
- Samba (smbd's running at 30Mb ram each 30-50 in use at any time)
- A number of Perl processes ranging from 1Mb - 900Mb each
- Other misc, but the above are the major ones

Just want to make sure no known issues exist (primarily with the above 
applications), comments anyone?



--
Nathan Vidican
[EMAIL PROTECTED]
Windsor Match Plate  Tool Ltd.
http://www.wmptl.com/
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Re: 6.0-RELEASE/AMD64 Ram Capacity?

2006-03-10 Thread Steve Kargl
On Fri, Mar 10, 2006 at 02:43:20PM -0500, Nathan Vidican wrote:
 I seem to recall various threads relating to problems with machines running 
 at or above 4GB ram... what if any issues still exist?
 

I've been running with 12 GB for the last 18 months.

-- 
Steve
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Re: 6.0-RELEASE/AMD64 Ram Capacity?

2006-03-10 Thread Scott Long

Nathan Vidican wrote:
I seem to recall various threads relating to problems with machines 
running at or above 4GB ram... what if any issues still exist?


We're currently operating with 2GB ECC Registered PC333 ram, but are 
finding a fairly constant usage of about 1700MB swap space; like to 
increase system memory, and installed motherboard supports 16 slots x 
2GB DIMMS each (for 32Gb total) - but what about FreeBSD?


System is running:
- Apache (about 10-12 mod_perl httpd's @ 90MB ram each)
- Apache (about 20-30 very basic httpds for static stuff @ 12Mb each)
- Sendmail, including MimeDefang and SA processes at some 90MB each
- MySQL 4.1 running about 70MB Ram
- Samba (smbd's running at 30Mb ram each 30-50 in use at any time)
- A number of Perl processes ranging from 1Mb - 900Mb each
- Other misc, but the above are the major ones

Just want to make sure no known issues exist (primarily with the above 
applications), comments anyone?





The ATA driver is still a bit flakey with more than 4GB of RAM, so make 
sure that you are using either a modern SCSI controller or a RAID 
controller.


Scott
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Re: 6.0-RELEASE/AMD64 Ram Capacity?

2006-03-10 Thread Kris Kennaway
On Fri, Mar 10, 2006 at 02:43:20PM -0500, Nathan Vidican wrote:
 I seem to recall various threads relating to problems with machines running 
 at or above 4GB ram... what if any issues still exist?

Some specific drivers do not work on such systems.  FreeBSD itself has
no problems.

FreeBSD 6.1-PRERELEASE #52: Tue Mar  7 02:51:14 UTC 2006
[EMAIL PROTECTED]:/usr/src/sys/amd64/compile/AMD64
Timecounter i8254 frequency 1193182 Hz quality 0
CPU: AMD Opteron(tm) Processor 846 (1991.81-MHz K8-class CPU)
  Origin = AuthenticAMD  Id = 0xf5a  Stepping = 10
  
Features=0x78bfbffFPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2
  AMD Features=0xe0500800SYSCALL,NX,MMX+,LM,3DNow+,3DNow
real memory  = 17179869184 (16384 MB)
avail memory = 15581761536 (14859 MB)
ACPI APIC Table: PTLTD  APIC  
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  1
 cpu2 (AP): APIC ID:  2
 cpu3 (AP): APIC ID:  3

Kris




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