Date: Mon, 18 Mar 2013 11:30:06 -0400 (EDT) From: Kurt Lidl <lidl@pix.net> To: FreeBSD-gnats-submit@freebsd.org Subject: kern/177072: AMT serial port for X79 chipset does not attach Message-ID: <201303181530.r2IFU66r049390@hydra.pix.net> Resent-Message-ID: <201303181540.r2IFe2m8055470@freefall.freebsd.org>
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>Number: 177072
>Category: kern
>Synopsis: AMT serial port for X79 chipset does not attach
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Mon Mar 18 15:40:02 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: Kurt Lidl
>Release: FreeBSD FreeBSD 10.0-CURRENT amd64
>Organization:
Pix.Com Technologies, LLC
>Environment:
System: FreeBSD xxxx.pix.net 10.0-CURRENT FreeBSD 10.0-CURRENT #2: Sun Mar 17 22:43:32 EDT 2013 lidl@xxxx.pix.net:/usr/obj/usr/src/sys/GENERIC amd64
This was sync'd to svn at svn r248325.
>Description:
The AMT serial port on the C600/X79 chipset is not attached
to the uart driver at boot.
>How-To-Repeat:
Boot machine with X79 chipset, notice:
pci0: <simple comms> at device 22.0 (no driver attached)
>Fix:
Apply the following patch:
diff -r fecb548fe499 sys/dev/uart/uart_bus_pci.c
--- a/sys/dev/uart/uart_bus_pci.c Fri Mar 15 13:56:19 2013 -0400
+++ b/sys/dev/uart/uart_bus_pci.c Sun Mar 17 23:48:29 2013 -0400
@@ -114,6 +114,7 @@
{ 0x14e4, 0x4344, 0xffff, 0, "Sony Ericsson GC89 PC Card", 0x10},
{ 0x151f, 0x0000, 0xffff, 0, "TOPIC Semiconductor TP560 56k modem", 0x10 },
{ 0x8086, 0x1c3d, 0xffff, 0, "Intel AMT - KT Controller", 0x10 },
+{ 0x8086, 0x1d3d, 0xffff, 0, "Intel C600/X79 Series Chipset KT Controller", 0x10 },
{ 0x8086, 0x2e17, 0xffff, 0, "4 Series Chipset Serial KT Controller", 0x10 },
{ 0x8086, 0x3b67, 0xffff, 0, "5 Series/3400 Series Chipset KT Controller",
0x10 },
>Release-Note:
>Audit-Trail:
>Unformatted:
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