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

[Attila Nagy]

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

From: Attila Nagy <bra at fsn.hu>
To: AD <alain77260 at free.fr>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: amd64/87112: Boot problems on a 16 processor AMD64 compatiblemachine
Date: Sun, 09 Oct 2005 17:44:55 +0200

 Sorry, I cannot tell. It's an evaluation platform with an NDA.
 
 AD wrote:
 > 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:
 >>
 >> _______________________________________________
 >> freebsd-amd64 at freebsd.org mailing list
 >> http://lists.freebsd.org/mailman/listinfo/freebsd-amd64
 >> To unsubscribe, send any mail to "freebsd-amd64-unsubscribe at freebsd.org"
 >>
 > 
 
 
 -- 
 Attila Nagy                                   e-mail: Attila.Nagy at fsn.hu
 Free Software Network (FSN.HU)                 phone: +3630 306 6758
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