Date: Tue, 25 Feb 2003 15:56:35 -0800 (PST) From: Rhett Monteg Hollander <victorysoldier@yahoo.com> To: current@freebsd.org Subject: RE: cc: Internal error: Illegal instruction (program as) Message-ID: <20030225235635.88759.qmail@web40311.mail.yahoo.com>
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"Paul A. Howes" wrote: > > All; > > These two kernel options seem to have solved the problem. Builds now > run smoothly and error-free. I read the comments in NOTES about these > options and something clicked: I recall that most Pentium processors > will only deal with 4 kB pages. Aren't 4 MB pages a feature of the Xeon > processor, as it can address much more memory? > 4Mb pages were introduced in Intel Pentium along with other V86 mode extensions, to increase Translation Lookaside Buffer (TLB) hit rate. 36-bit address path was implemented in Pentium Pro to access 64Gb address range, though CPU could work in 32-bit mode, too; ASZ[1:0]# signals were used in order to specify address bus width. I suppose P4 behaves somewhat similar, though its bus interface is totally different to GTL\AGTL used in PPro to PIII systems. --- Regards, Rhett __________________________________________________ Do you Yahoo!? Yahoo! Tax Center - forms, calculators, tips, more http://taxes.yahoo.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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