RE: Award Bios, ACPI, Mouse and PR 55473???

On 23-Dec-2003 Brian Black wrote:
> hi,
>     I have been trying to post to different lists looking for a 
> solution.  though i have found some advice i have not found the 
> solution.  i was recently informed that i should post this question to 
> the -current list(i should of done this earlier).  I have a "Soyo Dragon 
> Light" mother board which has this award bios.  I have verified that my 
> bios has been flashed with the most up-to date version(Well whatever the 
> motherboard manufacture says).  
>     Now am certainly not a kernel hacker but i do understand a little 
> bit of C code.  The PR goes on to talk about a "Fix", which involves 
> editing the "/urs/sys/dev/acpica/acpi_pci_link.c".  After making the 
> changes i had no luck :-(.  Now i have been told that some people with 
> this bios are not affected.  Well would'nt that mean the the bios are 
> not  the same?  I have contacted "Soyo" on this matter.  They state on 
> their web site that freebsd is supported,  but have not returned my 
> e-mail. 
>     How would i be able to determine weather this problem can be fixed 
> by FreeBsd or the manufacture of the mother board?  Is This problem 
> being looked at for 5.2R  i have not been able to really sink into using 
> the new 5.x series because of this problem(So what i like GUI's a 
> little). ;-)

Hmm, yes.

Can you try the patch at
http://www.FreeBSD.org/~jhb/patches/acpi_link_sta.patch

Index: acpi_pci_link.c
===================================================================
RCS file: /usr/cvs/src/sys/dev/acpica/acpi_pci_link.c,v
retrieving revision 1.11
diff -u -r1.11 acpi_pci_link.c
--- acpi_pci_link.c     18 Dec 2003 03:25:22 -0000      1.11
+++ acpi_pci_link.c     23 Dec 2003 16:29:35 -0000
_at__at_ -489,7 +489,16 _at__at_
                return_ACPI_STATUS (error);
        }
 
-       if (!(sta & (ACPI_STA_PRESENT | ACPI_STA_FUNCTIONAL))) {
+       /*
+        * We really should not use link devices that aren't enabled,
+        * but if they are marked as either functional or enabled, we
+        * assume they are ok.
+        *
+        * XXX: The PCI bridge code requires that both PRESENT and
+        * ENABLE are set in a separate check.
+        */
+       if ((sta & ACPI_STA_PRESENT) == 0 ||
+           (sta & (ACPI_STA_ENABLE | ACPI_STA_FUNCTIONAL)) == 0) {
                ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
                    "PCI interrupt link is not functional - %s\n",
                    acpi_name(handle)));

-- 

John Baldwin <jhb_at_FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/