Date: Fri, 29 Oct 2010 00:36:44 +0000 (UTC) From: Nathan Whitehorn <nwhitehorn@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r214494 - head/sys/boot/ofw/libofw Message-ID: <201010290036.o9T0aidm047100@svn.freebsd.org>
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Author: nwhitehorn Date: Fri Oct 29 00:36:44 2010 New Revision: 214494 URL: http://svn.freebsd.org/changeset/base/214494 Log: 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: head/sys/boot/ofw/libofw/ofw_net.c Modified: head/sys/boot/ofw/libofw/ofw_net.c ============================================================================== --- head/sys/boot/ofw/libofw/ofw_net.c Thu Oct 28 23:46:05 2010 (r214493) +++ head/sys/boot/ofw/libofw/ofw_net.c Fri Oct 29 00:36:44 2010 (r214494) @@ -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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