Module Name: src
Committed By: martin
Date: Fri May 23 12:25:46 UTC 2014
Modified Files:
src/distrib/vax/cdroms/installcd: etc.rc
Log Message:
If mounting the various tmpfs instances fails, we do not have enough
RAM installed. Tell the user about it and exec a single user shell
(instead of randomly failing later and hanging the machine.)
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/distrib/vax/cdroms/installcd/etc.rc
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/distrib/vax/cdroms/installcd/etc.rc
diff -u src/distrib/vax/cdroms/installcd/etc.rc:1.1 src/distrib/vax/cdroms/installcd/etc.rc:1.2
--- src/distrib/vax/cdroms/installcd/etc.rc:1.1 Wed May 21 14:21:35 2014
+++ src/distrib/vax/cdroms/installcd/etc.rc Fri May 23 12:25:46 2014
@@ -1,4 +1,4 @@
-# $NetBSD: etc.rc,v 1.1 2014/05/21 14:21:35 martin Exp $
+# $NetBSD: etc.rc,v 1.2 2014/05/23 12:25:46 martin Exp $
#
# Copyright (c) 1997 Perry E. Metzger
# Copyright (c) 1994 Christopher G. Demetriou
@@ -39,10 +39,22 @@ export PATH
# hack to get around bugs in kernfs's rootdev/rrootdev lookup.
ls -l /dev/* > /dev/null 2>&1
+lowmemfail()
+{
+ cat << "EOM"
+This machine seems to not have enough memory for this install method.
+Please refer to the installation documentation on how to create and
+boot a custom kernel and how to install with that.
+
+Please use the 'halt' command to stop the machine.
+EOM
+ exec sh
+}
+
# mount a few tempfs to allow modifications over the CD contents
-mount -t tmpfs tmpfs /tmp
-mount -t tmpfs tmpfs /var
-mount -t tmpfs -o union tmpfs /etc
+mount -t tmpfs tmpfs /tmp || lowmemfail
+mount -t tmpfs tmpfs /var || lowmemfail
+mount -t tmpfs -o union tmpfs /etc || lowmemfail
# prepare important directories in the tmpfses, so dhcpcd and vi will work
mkdir -p /var/run /var/db /var/tmp
