Date: Wed, 14 Oct 2009 19:24:01 +0000 (UTC) From: Robert Noland <rnoland@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r198097 - head/sys/geom/part Message-ID: <200910141924.n9EJO1YM046579@svn.freebsd.org>
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Author: rnoland Date: Wed Oct 14 19:24:01 2009 New Revision: 198097 URL: http://svn.freebsd.org/changeset/base/198097 Log: Set the active flag in the PMBR when we install bootcode on a GPT partitioned disk. Some BIOS require this to be set before they will boot the device. Approved by: marcel MFC after: 2 weeks Modified: head/sys/geom/part/g_part_gpt.c Modified: head/sys/geom/part/g_part_gpt.c ============================================================================== --- head/sys/geom/part/g_part_gpt.c Wed Oct 14 18:50:43 2009 (r198096) +++ head/sys/geom/part/g_part_gpt.c Wed Oct 14 19:24:01 2009 (r198097) @@ -382,6 +382,9 @@ g_part_gpt_bootcode(struct g_part_table codesz = MIN(codesz, gpp->gpp_codesize); if (codesz > 0) bcopy(gpp->gpp_codeptr, table->mbr, codesz); + + /* Mark the PMBR active since some BIOS require it */ + table->mbr[DOSPARTOFF] = 0x80; /* status */ return (0); }
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