amd64/87112: Boot problems on a 16 processor AMD64 compatiblemachine

[AD]

The following reply was made to PR amd64/87112; it has been noted by GNATS.

From: "AD" <alain77260 at free.fr>
To: "Attila Nagy" <bra at fsn.hu>,
	<freebsd-gnats-submit at FreeBSD.org>
Cc:  
Subject: Re: amd64/87112: Boot problems on a 16 processor AMD64 compatiblemachine
Date: Sat, 8 Oct 2005 14:35:17 +0200

 What is the type of computer ?
 
 Alain
 ----- Original Message ----- 
 From: "Attila Nagy" <bra at fsn.hu>
 To: <freebsd-gnats-submit at FreeBSD.org>
 Sent: Saturday, October 08, 2005 10:59 AM
 Subject: amd64/87112: Boot problems on a 16 processor AMD64 
 compatiblemachine
 
 
 >
 >>Number:         87112
 >>Category:       amd64
 >>Synopsis:       Boot problems on a 16 processor AMD64 compatible machine
 >>Confidential:   no
 >>Severity:       serious
 >>Priority:       low
 >>Responsible:    freebsd-amd64
 >>State:          open
 >>Quarter:
 >>Keywords:
 >>Date-Required:
 >>Class:          change-request
 >>Submitter-Id:   current-users
 >>Arrival-Date:   Sat Oct 08 09:00:29 GMT 2005
 >>Closed-Date:
 >>Last-Modified:
 >>Originator:     Attila Nagy
 >>Release:        7-current
 >>Organization:
 > FSN
 >>Environment:
 > Not available
 >>Description:
 > On a 16 processor/16 GB RAM AMD64 compatible machine FreeBSD halts with 
 > "Too many segments in the physical address map, giving up".
 >
 >>How-To-Repeat:
 > I don't know whether it's general, or only limited to this machine, but 
 > trying to boot FreeBSD with 16 processors could trigger the problem.
 >>Fix:
 > In src/sys/amd64/amd64/machdep.c:
 > -#define PHYSMAP_SIZE    (2 * 8)
 > +#define PHYSMAP_SIZE    (2 * 16)
 >
 > After this:
 > FreeBSD/SMP: Multiprocessor System Detected: 16 CPUs
 > cpu0 (BSP): APIC ID:  0
 > cpu1 (AP): APIC ID:  1
 > cpu2 (AP): APIC ID:  2
 > cpu3 (AP): APIC ID:  3
 > cpu4 (AP): APIC ID:  4
 > cpu5 (AP): APIC ID:  5
 > cpu6 (AP): APIC ID:  6
 > cpu7 (AP): APIC ID:  7
 > cpu8 (AP): APIC ID:  8
 > cpu9 (AP): APIC ID:  9
 > cpu10 (AP): APIC ID: 10
 > cpu11 (AP): APIC ID: 11
 > cpu12 (AP): APIC ID: 12
 > cpu13 (AP): APIC ID: 13
 > cpu14 (AP): APIC ID: 14
 > cpu15 (AP): APIC ID: 15
 >
 > I didn't try with i386, but I guess that has the same problem.
 >>Release-Note:
 >>Audit-Trail:
 >>Unformatted:
 > _______________________________________________
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 > http://lists.freebsd.org/mailman/listinfo/freebsd-amd64
 > To unsubscribe, send any mail to "freebsd-amd64-unsubscribe at freebsd.org"
 >