Date: Tue, 19 Aug 2003 00:19:13 -0700 (PDT) From: Don Lewis <truckman@FreeBSD.org> To: msergeant@snsonline.net Cc: freebsd-current@FreeBSD.org Subject: Re: Broken kernel compile on 5.1-RELEASE / 5-CURRENT (SMP, PAE & scsi) Message-ID: <200308190719.h7J7JDM7029834@gw.catspoiler.org> In-Reply-To: <1061273955.58787.12.camel@xyzzy.wireless.snsonline.net>
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On 19 Aug, Mark Sergeant wrote: > Hi All, > > When trying to compile a kernel for my 8 cpu DELL 8450's I recieve an > extremly puzzling error, I get a bunch of errors when compiling a kernel > that has the following options in it... > > options WITNESS > options NETSMB > options NETSMBCRYPTO > options LIBMCHAIN > options LIBICONV > options PAE > options SMP > options APIC_IO > > Without PAE SMP or APIC_IO the kernel will compile fine. With these > options I get the following error when compiling the sym scsi driver. Take a look at /usr/src/sys/i386/conf/PAE. It says: # What follows is a list of drivers that are normally in GENERIC, but either # don't work or are untested with PAE. Be very careful before enabling any # of these drivers. Drivers which use DMA and don't handle 64 bit physical # address properly may cause data corruption when used in a machine with more # than 4 gigabytes of memory. and under this comment it lists the sym and usb drivers.
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