Re: PR/45915 CVS commit: src/sys/arch

[Hauke Fath <hf%spg.tu-darmstadt.de@localhost>]

The following reply was made to PR kern/45915; it has been noted by GNATS.

From: Hauke Fath <hf%spg.tu-darmstadt.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: kern-bug-people%NetBSD.org@localhost, gnats-admin%NetBSD.org@localhost,
        "Michael L. Hitch" <mhitch%NetBSD.org@localhost>
Subject: Re: PR/45915 CVS commit: src/sys/arch
Date: Fri, 10 Feb 2012 14:42:43 +0100

 At 4:50 Uhr +0000 10.02.2012, Michael L. Hitch wrote:
 > The recent kmem changes allocate a large kernel address space before
 > pmap_init() is called, and the initial kernel PT pages aren't enough
 > for the allocations pmap_init().  This fails because pmap_kenter_pa()
 > tries to allocate a new kernel PT page and traps because the pmap has
 > not been initialized.  When computing the number if initial kernel PT
 > pages, include enough to allow kmem to map the physical memory.  This
 > should fix PR/45915.  OK by releng@.  One mac68k system has been verified
 > to boot.  Volunteers to test the others welcome.
 
 mac68k: A Quadra 650 with 136 MB RAM boots fine now.
 
 Thanks for fixing this!
 
        hauke
 
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