OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/kexec-tools?expand=0&rev=2

kdump

@@ -27,6 +27,7 @@
 . /etc/rc.status
 
 KEXEC=/sbin/kexec
+KDUMP_HELPER=/usr/sbin/kdump-helper
 
 BOOTDIR="/boot"
 
@@ -184,6 +185,11 @@ load_kdump()
 	esac
     fi
 
+    # add the dump device
+    if [ -n "$KDUMP_DUMPDEV" ] ; then
+        KDUMP_COMMANDLINE="dumpdev=$KDUMP_DUMPDEV $KDUMP_COMMANDLINE"
+    fi
+
     echo 1 > /proc/sys/kernel/panic_on_oops
 
     $KEXEC -p $kdump_kernel \
@@ -208,20 +214,70 @@ is_crash_kernel ()
     return 0
 }
 
+# return success if we have a valid dump on the dump device
+have_valid_dump_in_dumpdev ()
+{
+    if [ ! -b "$KDUMP_DUMPDEV" ] ; then
+        return 1
+    fi
+
+    # return the return code from this command
+    $KDUMP_HELPER -c "$KDUMP_DUMPDEV" >> /dev/null 
+}
+
+# invalidate the dump device so that it's not read on next boot
+invalidate_dumpdev ()
+{
+    dd if=/dev/zero of=$KDUMP_DUMPDEV bs=512 count=1
+}
+
+# copy the dump from the dumpdevice to the harddisk
+copy_dump_from_dumpdev ()
+{
+    if [ $KDUMP_KEEP_OLD_DUMPS -gt 0 ]; then
+        purge_old_dumps
+    fi
+
+    dumpsize=`$KDUMP_HELPER -l "$KDUMP_DUMPDEV" | sed -e 's/Length: //g'`
+    dumpsize_mb=$(($dumpsize / 1024 / 1024))
+
+    if [ $KDUMP_FREE_DISK_SIZE -gt 0 ]; then
+        restsize=`parse_rest_size "$KDUMP_SAVEDIR"`
+        needsize=`expr $dumpsize_mb + $KDUMP_FREE_DISK_SIZE`
+        if [ $restsize -lt $needsize ]; then
+            echo -n " No enough space left on dump device ($restsize MB)"
+            rc_status -s
+            rc_failed 6
+            return
+        fi
+    fi
+
+    coredir="${KDUMP_SAVEDIR}/`date +"%Y-%m-%d-%H:%M"`"
+    mkdir -p $coredir
+    echo -n "Saving crash dump to $coredir"
+    dd if=$KDUMP_DUMPDEV of=$coredir/vmcore count=$dumpsize
+    invalidate_dumpdev
+}
+
 case "$1" in
   start)
 	if is_crash_kernel; then
-	    if [ -n "$KDUMP_TRANSFER" ]; then
-		$KDUMP_TRANSFER
-	    else
-		save_core
-	    fi
+            if [ -z "$KDUMP_DUMPDEV" ] ; then
+                if [ -n "$KDUMP_TRANSFER" ]; then
+                    $KDUMP_TRANSFER
+                else
+                    save_core
+                fi
+            fi
 	    if test "$KDUMP_IMMEDIATE_REBOOT" = "yes"; then
 		/sbin/reboot
 		# sleep to avoid the conflict with script "single"
 		sleep 600
 	    fi
         else
+            if have_valid_dump_in_dumpdev ; then
+                copy_dump_from_dumpdev
+            fi
 	    load_kdump
 	fi
 	;;