X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=Documentation%2Fia64%2Fserial.txt;h=040b9773209fe173e61f4c79d23db74ecf6c0118;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=f51eb4bc2ff1e1635c0ca1b14c9db9e90de2fb56;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/Documentation/ia64/serial.txt b/Documentation/ia64/serial.txt
index f51eb4bc2..040b97732 100644
--- a/Documentation/ia64/serial.txt
+++ b/Documentation/ia64/serial.txt
@@ -124,6 +124,13 @@ TROUBLESHOOTING SERIAL CONSOLE PROBLEMS
 
 	- Add entry to /etc/securetty for console tty.
 
+    No ACPI serial devices found in 2.6.17 or later:
+
+	- Turn on CONFIG_PNP and CONFIG_PNPACPI.  Prior to 2.6.17, ACPI
+	  serial devices were discovered by 8250_acpi.  In 2.6.17,
+	  8250_acpi was replaced by the combination of 8250_pnp and
+	  CONFIG_PNPACPI.
+
 
 
 [1] http://www.dig64.org/specifications/DIG64_PCDPv20.pdf