New release note: pcic(4) interrupt routing.

Content provided by:	imp

2 files changed, 32 insertions, 0 deletions

diff --git a/release/doc/en_US.ISO8859-1/relnotes/article.sgml b/release/doc/en_US.ISO8859-1/relnotes/article.sgml
index dde4728..dc18851 100644
--- a/release/doc/en_US.ISO8859-1/relnotes/article.sgml
+++ b/release/doc/en_US.ISO8859-1/relnotes/article.sgml
@@ -240,6 +240,22 @@
     as tuneables) at compile-time using &man.config.8;'s
     <literal>ENV</literal> directive.</para>
 
+    <para>On many modern hosts, PCCARD devices can be configured to
+    route their interrupts via either the ISA or PCI interrupt paths.
+    The &man.pcic.4; driver has been updated to support both interrupt
+    paths (formerly, only routing via ISA was supported).  In most
+    cases, configuration of PCMCIA devices in laptops is simpler and
+    more flexible.  In addition, various Cardbus bridge PCI cards
+    (such as those used by Orinoco PCI NICs) are now supported.  Some
+    hosts may experience problems, such as hangs or panics, with PCI
+    interrupt routing; they can frequently be made to work by forcing
+    the older-style ISA interrupt routing.  The following lines,
+    placed in <filename>/boot/loader.conf</filename> or typed to the
+    boot loader may fix the problem. &merged;</para>
+
+    <screen><userinput>hw.pcic.intr_path=1</userinput>
+<userinput>hw.pcic.irq=0</userinput></screen>
+
     <sect3>
       <title>Processor/Motherboard Support</title>
 
diff --git a/release/doc/en_US.ISO8859-1/relnotes/common/new.sgml b/release/doc/en_US.ISO8859-1/relnotes/common/new.sgml
index dde4728..dc18851 100644
--- a/release/doc/en_US.ISO8859-1/relnotes/common/new.sgml
+++ b/release/doc/en_US.ISO8859-1/relnotes/common/new.sgml
@@ -240,6 +240,22 @@
     as tuneables) at compile-time using &man.config.8;'s
     <literal>ENV</literal> directive.</para>
 
+    <para>On many modern hosts, PCCARD devices can be configured to
+    route their interrupts via either the ISA or PCI interrupt paths.
+    The &man.pcic.4; driver has been updated to support both interrupt
+    paths (formerly, only routing via ISA was supported).  In most
+    cases, configuration of PCMCIA devices in laptops is simpler and
+    more flexible.  In addition, various Cardbus bridge PCI cards
+    (such as those used by Orinoco PCI NICs) are now supported.  Some
+    hosts may experience problems, such as hangs or panics, with PCI
+    interrupt routing; they can frequently be made to work by forcing
+    the older-style ISA interrupt routing.  The following lines,
+    placed in <filename>/boot/loader.conf</filename> or typed to the
+    boot loader may fix the problem. &merged;</para>
+
+    <screen><userinput>hw.pcic.intr_path=1</userinput>
+<userinput>hw.pcic.irq=0</userinput></screen>
+
     <sect3>
       <title>Processor/Motherboard Support</title>