Date: Fri, 19 Mar 1999 01:30:01 -0800 (PST) From: Sheldon Hearn <sheldonh@iafrica.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/9515: ISA DMA memory problems if >= 512 MB RAM Message-ID: <199903190930.BAA49865@freefall.freebsd.org>
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The following reply was made to PR kern/9515; it has been noted by GNATS. From: Sheldon Hearn <sheldonh@iafrica.com> To: Oliver Fromme <oliver.fromme@heim3.tu-clausthal.de> Cc: freebsd-gnats-submit@freebsd.org Subject: Re: kern/9515: ISA DMA memory problems if >= 512 MB RAM Date: Fri, 19 Mar 1999 11:26:27 +0200 Hi Oliver, Please try with src/sys/vm/vm_page.c revision 1.128, which impliments the following change: | alc 1999/03/18 21:21:04 PST | | Modified files: | sys/vm vm_page.c | Log: | Construct the free queue(s) in descending order (by physical | address) so that the first 16MB of physical memory is allocated | last rather than first. On large-memory machines, this avoids | the exhaustion of low physical memory before isa_dmainit has run. | | Revision Changes Path | 1.128 +8 -2 src/sys/vm/vm_page.c Feedback woiuld be greatly appreciated. Ciao, Sheldon. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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