Date: Sat, 27 Nov 2010 00:37:13 +0000 (UTC) From: Nathan Whitehorn <nwhitehorn@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r215920 - stable/8/sys/boot/ofw/libofw Message-ID: <201011270037.oAR0bDUK001412@svn.freebsd.org>
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Author: nwhitehorn Date: Sat Nov 27 00:37:13 2010 New Revision: 215920 URL: http://svn.freebsd.org/changeset/base/215920 Log: MFC r214494: Fix netboot on some Apple machines on which calling dma-free on the network device can hang the machine. This causes the loss of 64 KB of accessible memory on netbooted machines. Modified: stable/8/sys/boot/ofw/libofw/ofw_net.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) Modified: stable/8/sys/boot/ofw/libofw/ofw_net.c ============================================================================== --- stable/8/sys/boot/ofw/libofw/ofw_net.c Sat Nov 27 00:36:11 2010 (r215919) +++ stable/8/sys/boot/ofw/libofw/ofw_net.c Sat Nov 27 00:37:13 2010 (r215920) @@ -230,7 +230,10 @@ punt: static void ofwn_end(struct netif *nif) { +#ifdef BROKEN + /* dma-free freezes at least some Apple ethernet controllers */ OF_call_method("dma-free", netinstance, 2, 0, dmabuf, MAXPHYS); +#endif OF_close(netinstance); }
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