@@ -16,6 +16,17 @@ NL="
LOGGER_UP=0
LOG_FILE=/var/log/reopen-console
+# If we're running with preseeding, we have a problem with running d-i
+# on multiple consoles. We'll end up running each of those d-i
+# instances in parallel with all kinds of hilarious undefined
+# behaviour as they trip over each other! If we detect that we're
+# preseeding (via any of the possible preseed methods), DO NOT run d-i
+# multiple times. Instead, fall back to the older, more simple
+# behaviour and run it once. If the user wants to see or interact with
+# their preseed on a specific console, they get to tell us which one
+# they want to use.
+PRESEEDING=0
+
log() {
# In very early startup we don't have syslog. Log to file that
# we can flush out later so we can at least see what happened
@@ -32,6 +43,20 @@ flush_logger () {
rm $LOG_FILE
}
+# If we have a preseed.cfg in the initramfs
+if [ -e /preseed.cfg ]; then
+ log "Found /preseed.cfg; falling back to simple mode for preseeding"
+ PRESEEDING=1
+fi
+
+# Have we been told to do preseeding stuff on the boot command line?
+for WORD in auto url; do
+ if (grep -qw "$WORD" /proc/cmdline); then
+ log "Found \"$WORD\" in the command line; falling back to simple mode for preseeding"
+ PRESEEDING=1
+ fi
+done
+
consoles=
preferred=
# Retrieve all enabled consoles from kernel; ignore those
@@ -44,7 +69,7 @@ do
status=$(echo "$kernelconsoles" | grep $cons | sed -n -r -e 's/(^.*) *.*\((.*)\).*$/\2/p' )
if [ -e "/dev/$cons" ] && [ $(echo "$status" | grep -o 'E') ]; then
consoles="${consoles:+$consoles$NL}$cons"
- log " Adding $cons to consoles list"
+ log " Adding $cons to possible consoles list"
fi
# 'C' console is 'most prefered'.
if [ $(echo "$status" | grep -o 'C') ]; then
@@ -64,6 +89,13 @@ if [ -z "$preferred" ]; then
log "Found no preferred console. Picking $preferred"
fi
+# If we're preseeding, do simple stuff here (see above). We just
+# want one console. Let's pick the preferred one ONLY
+if [ $PRESEEDING = 1 ]; then
+ log "Running with preseeding. Picking preferred $preferred ONLY"
+ consoles=$preferred
+fi
+
for cons in $consoles
do
echo "/dev/$cons " >> /var/run/console-devices
@@ -88,7 +120,7 @@ LOGGER_UP=1
flush_logger
# Finally restart init to run debian-installer on discovered consoles
-log "Restarting init to start d-i on the consoles we found"
+log "Restarting init to start d-i on the console(s) we found"
kill -HUP 1
exit 0
This bug affects us. Cherry pick the changes to the relevant file from the commit in the upstream debian-installer repo: https://salsa.debian.org/installer-team/rootskel/commit/0ee43d05b83f8ef5a856f3282e002a111809cef9 Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com> --- overlay-initrd-buster/sbin/reopen-console | 36 +++++++++++++++++++++-- 1 file changed, 34 insertions(+), 2 deletions(-)