The following reply was made to PR kern/37527; it has been noted by GNATS.

From: "Jared D. McNeill" <jmcneill@invisible.ca>
To: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
Cc: gnats-bugs@NetBSD.org, kern-bug-people@netbsd.org,
	gnats-admin@netbsd.org, netbsd-bugs@netbsd.org
Subject: Re: kern/37527: panic: pci_make_tag: bad request
Date: Wed, 12 Dec 2007 18:14:50 -0500 (EST)

 On Thu, 13 Dec 2007, YAMAMOTO Takashi wrote:
 > it panics at another place.
 
 Sigh, looks like your DSDT is badly broken. Here's another patch to try in 
 addition to the previous one:
 
 Index: OsdHardware.c
 ===================================================================
 RCS file: /cvsroot/src/sys/dev/acpi/acpica/OsdHardware.c,v
 retrieving revision 1.3
 diff -u -r1.3 OsdHardware.c
 --- OsdHardware.c       9 Dec 2007 20:27:54 -0000       1.3
 +++ OsdHardware.c       12 Dec 2007 23:14:40 -0000
 @@ -206,6 +206,9 @@
 
          /* XXX Need to deal with "segment" ("hose" in Alpha terminology). 
 */
 
 +       if (PciId->Bus >= 256 || PciId->Device >= 32 || PciId->Function >= 
 8)
 +               return AE_BAD_PARAMETER;
 +
          tag = pci_make_tag(acpi_softc->sc_pc, PciId->Bus, PciId->Device,
              PciId->Function);
          tmp = pci_conf_read(acpi_softc->sc_pc, tag, Register & ~3);