Date: Sun, 16 Aug 2009 11:41:23 +0200 From: Attilio Rao <attilio@freebsd.org> To: Marcel Moolenaar <xcllnt@mac.com> Cc: svn-src-stable@freebsd.org, svn-src-all@freebsd.org, Marcel Moolenaar <marcel@freebsd.org>, src-committers@freebsd.org, svn-src-stable-8@freebsd.org Subject: Re: svn commit: r196270 - in stable/8/sys: . amd64/include/xen cddl/contrib/opensolaris contrib/dev/acpica contrib/pf dev/ata dev/cxgb dev/xen/netfront dev/xen/xenpci ia64/ia64 modules/dtrace/dtnfsclie... Message-ID: <3bbf2fe10908160241x64555c15oe185d429908f7131@mail.gmail.com> In-Reply-To: <C3941110-D8FB-48BF-A2D8-1472492EBCFA@mac.com> References: <200908160212.n7G2CDUn097279@svn.freebsd.org> <3bbf2fe10908151919s17752057y53dd32fb02a857bb@mail.gmail.com> <C3941110-D8FB-48BF-A2D8-1472492EBCFA@mac.com>
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2009/8/16 Marcel Moolenaar <xcllnt@mac.com>: > > On Aug 15, 2009, at 7:19 PM, Attilio Rao wrote: > >> 2009/8/16 Marcel Moolenaar <marcel@freebsd.org>: >>> >>> Author: marcel >>> Date: Sun Aug 16 02:12:13 2009 >>> New Revision: 196270 >>> URL: http://svn.freebsd.org/changeset/base/196270 >>> >>> Log: >>> MFC rev 196268: >>> Decouple ACPI CPU Ids from FreeBSD's cpuid. The ACPI Ids can be >>> sparse, which causes a kernel assert. >> >> Can you be a bit more precise? >> What kernel assert? > > In subr_smp.c, function smp_topo(): > panic("Built bad topology at %p. CPU mask 0x%X != 0x%X", > top, top->cg_mask, all_cpus); > > See also: > http://docs.freebsd.org/cgi/getmsg.cgi?fetch=506001+0+archive/2009/freebsd-current/20090719.freebsd-current > http://docs.freebsd.org/cgi/getmsg.cgi?fetch=626164+0+archive/2009/freebsd-current/20090719.freebsd-current lThat's very interesting. That probabilly means we will end without any sparse CPUs IDs on all architectures? That would be very important because we could cut things like CPU_ABSENT() and rearrange things in a very different way. Attilio -- Peace can only be achieved by understanding - A. Einstein
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