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PR/38729 CVS commit: src/sys/arch

The following reply was made to PR port-i386/38729; it has been noted by GNATS.

From: Izumi Tsutsui <>
Subject: PR/38729 CVS commit: src/sys/arch
Date: Sat, 13 Jun 2009 13:35:11 +0000

 Module Name:   src
 Committed By:  tsutsui
 Date:          Sat Jun 13 13:35:11 UTC 2009
 Modified Files:
        src/sys/arch/amd64/amd64: mainbus.c
        src/sys/arch/i386/i386: mainbus.c
        src/sys/arch/x86/x86: mp.c
 Log Message:
 Apply fixes from jmcneill@ for PR port-i386/38729
 (ACPI kernel booted under qemu cannot detect devices):
   return a number of attached PCI busses
 - if no valid PCI busses are attached in the MP SCANPCI function,
   try to probe and attach pci0 at mainbus as well as kernels
   with no SCANPCI options
 "Feel free to check it in" from jmcneill@.
 Tested in pkgsrc qemu-0.9.1 (both i386 and x86_64) on NetBSD/i386.
 Note original jmcneill's patch was posted on March:
 and I also applied it to amd64:
 but x86 MP attach functions have been reorganized by dyoung@ on April:
 so I've modified the original patches to adapt the changes.
 (mpacpi_scan_pci() and mpbios_scan_pci() have been merged into
  common mp_pci_scan() in new arch/x86/x86/mp.c)
 For netbsd-5 and netbsd-5-0 branches, the original patches should be
 applied cleanly, and they have been tested by abs@ on a selection of
 i386 boxes and in qemu.
 To generate a diff of this commit:
 cvs rdiff -u -r1.27 -r1.28 src/sys/arch/amd64/amd64/mainbus.c
 cvs rdiff -u -r1.84 -r1.85 src/sys/arch/i386/i386/mainbus.c
 cvs rdiff -u -r1.1 -r1.2 src/sys/arch/x86/x86/mp.c
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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