Date: Fri, 07 Dec 2012 22:44:17 +0100 From: Andre Oppermann <andre@freebsd.org> To: Oleksandr Tymoshenko <gonzo@bluezbox.com> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, alfred@freebsd.org Subject: Re: svn commit: r243631 - in head/sys: kern sys Message-ID: <50C26331.6030504@freebsd.org> In-Reply-To: <50C25A27.4060007@bluezbox.com> References: <201211272119.qARLJxXV061083@svn.freebsd.org> <ABB3E29B-91F3-4C25-8FAB-869BBD7459E1@bluezbox.com> <50C1BC90.90106@freebsd.org> <50C25A27.4060007@bluezbox.com>
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On 07.12.2012 22:05, Oleksandr Tymoshenko wrote: > On 12/7/2012 1:53 AM, Andre Oppermann wrote: >> On 07.12.2012 10:36, Oleksandr Tymoshenko wrote: >>> >>> On 2012-11-27, at 1:19 PM, Andre Oppermann <andre@freebsd.org> wrote: >>> >>>> Author: andre >>>> Date: Tue Nov 27 21:19:58 2012 >>>> New Revision: 243631 >>>> URL: http://svnweb.freebsd.org/changeset/base/243631 >>>> > .. skipped .. >>> Andre, >>> >>> these changes along with r243631 break booting ARM kernels on devices with 1Gb of memory: >>> >>> vm_thread_new: kstack allocation failed >>> panic: kproc_create() failed with 12 >>> KDB: enter: panic >>> >>> If I manually set amount of memory to 512Mb it boots fine. >>> If you need help debugging this issue or testing possible fixes, I'll be glad to help >> >> What is the kmem layout/setup of ARM? If it is like i386 then maybe >> the parameters VM_MAX_KERNEL_ADDRESS and VM_MIN_KERNEL_ADDRESS are not >> correctly set up and the available kmem is assumed to be larger than >> it really is. >> > > VM_MIN_KERNEL_ADDRESS == 0xc0000000 > VM_MAX_KERNEL_ADDRESS == 0xffffffff > > The problem goes away if I copy VM_MAX_AUTOTUNE_MAXUSERS and > VM_MAX_AUTOTUNE_NMBCLUSTERS lines from i386/include/vmparam.h VM_MAX_AUTOTUNE_NMBCLUSTERS is unused now and can be garbage collected. It was only ever defined in i386/include/vmparam.h. The calculation for maxusers is physpages / (2 * 1024 * 1024 / PAGE_SIZE) resulting in 512. > Alfred, should these lines be defined for all 32-bit architectures? -- Andre
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