diff --git a/create_sane-backends-autoconfig.rules b/create_sane-backends-autoconfig.rules
index 51a704f..3ab05f3 100644
--- a/create_sane-backends-autoconfig.rules
+++ b/create_sane-backends-autoconfig.rules
@@ -16,7 +16,7 @@ MY_NAME=${0##*/}
 # Create a temporary file:
 TMP_DATA=$(mktemp /tmp/$MY_NAME.XXXXXX) || { echo "Error: Failed to make a temporary file /tmp/$MY_NAME.XXXXXX" 1>&2 ; exit 1 ; }
 
-# Extract only those USB scanners
+# Extract only those USB scanners from the scanner database
 # which are supported by the packages "sane-backends", "iscan-free", or "hplip"
 # (i.e. not by the proprietary 32-bit-only i386-only "iscan" package)
 # and which do not require firmware upload (i.e. FIRMWARE field is empty)
@@ -29,8 +29,8 @@ TMP_DATA=$(mktemp /tmp/$MY_NAME.XXXXXX) || { echo "Error: Failed to make a tempo
 # which is needed to choose only one driver which is automatically activated
 # because otherwise a scanner will show up multiple times in scanning frontends
 # (once for each activated driver which works for this model)
-# and finally set the usual input field separator ' ' (there are no blanks in BACKEND or USB-ID):
-bash create_scanner_database ASCII | egrep '^sane-backends|^iscan-free|^hplip' | grep '||[^|]*|0x[0-9A-Fa-f][0-9A-Fa-f]*:0x[0-9A-Fa-f][0-9A-Fa-f]*|' | cut -s -d '|' -f 2,7,8 | egrep 'complete$|good$' | cut -s -d '|' -f 1,2 | sort -u | sort -t '|' -k 2 | tr '|' ' ' >$TMP_DATA
+# and finally set the usual input field separator ' ' (there are no blanks in BACKEND or USB-ID).
+egrep '^sane-backends|^iscan-free|^hplip' scanner.database | grep '||[^|]*|0x[0-9A-Fa-f][0-9A-Fa-f]*:0x[0-9A-Fa-f][0-9A-Fa-f]*|' | cut -s -d '|' -f 2,7,8 | egrep 'complete$|good$' | cut -s -d '|' -f 1,2 | sort -u | sort -t '|' -k 2 | tr '|' ' ' >$TMP_DATA
 
 # Output:
 
diff --git a/install-umax_pp-tool.patch b/install-umax_pp-tool.patch
new file mode 100644
index 0000000..922498a
--- /dev/null
+++ b/install-umax_pp-tool.patch
@@ -0,0 +1,15 @@
+--- tools/Makefile.in.orig	2008-02-03 07:59:36.000000000 +0100
++++ tools/Makefile.in	2008-10-28 12:24:59.000000000 +0100
+@@ -88,10 +88,11 @@ SUBDIRS = hotplug hotplug-ng udev hal
+ 
+ all:	$(DESTINATIONS)
+ 
+-install: sane-config sane-find-scanner gamma4scanimage
++install: sane-config sane-find-scanner gamma4scanimage umax_pp
+ 	$(INSTALL_SCRIPT) sane-config $(DESTDIR)$(bindir)/sane-config
+ 	$(INSTALL_PROGRAM) sane-find-scanner $(DESTDIR)$(bindir)/sane-find-scanner
+ 	$(INSTALL_PROGRAM) gamma4scanimage $(DESTDIR)$(bindir)/gamma4scanimage
++	$(INSTALL_PROGRAM) umax_pp $(DESTDIR)$(bindir)/umax_pp
+ 
+ uninstall: 
+ 	rm -f $(bindir)/sane-config $(bindir)/sane-find-scanner $(bindir)/gamma4scanimage
diff --git a/sane-backends.changes b/sane-backends.changes
index 3904f15..0472f1b 100644
--- a/sane-backends.changes
+++ b/sane-backends.changes
@@ -1,3 +1,37 @@
+-------------------------------------------------------------------
+Wed Oct 29 11:34:31 CET 2008 - jsmeix@suse.de
+
+- Having only models in /etc/udev/rules.d/55-libsane.rules which
+  are in /etc/udev/rules.d/56-sane-backends-autoconfig.rules
+  is too restrictive because libsane.rules disables
+  USB autosuspend in the kernel which is needed as safe default
+  for any scanner regardless of its support status.
+  The only valid exception are unsupported models.
+  Therefore the scanner database is now created directly
+  in the spec file with the file name "scanner.database"
+  so that the scanner database can also be used to determine
+  the "unsupported" models to be disabled in libsane.rules
+  (see Novell/Suse Bugzilla bnc#439193).
+
+-------------------------------------------------------------------
+Tue Oct 28 12:35:52 CET 2008 - jsmeix@suse.de
+
+- install-umax_pp-tool.patch installs tools/umax_pp as
+  /usr/bin/umax_pp which is built but not installed
+  but it is needed to recover from a failed scan
+  with scanners which use the umax_pp backend
+  (see the Debian report http://bugs.debian.org/496833).
+
+-------------------------------------------------------------------
+Tue Oct 28 10:51:00 CET 2008 - jsmeix@suse.de
+
+- Avoid false positives (e.g. unsupported) and problematic
+  models in /etc/udev/rules.d/55-libsane.rules by having
+  all model entries disabled where the support status is
+  not "complete" or "good", i.e. when it is not listed
+  in /etc/udev/rules.d/56-sane-backends-autoconfig.rules
+  (see Novell/Suse Bugzilla bnc#439193).
+
 -------------------------------------------------------------------
 Tue Oct 21 13:12:42 CEST 2008 - jsmeix@suse.de
 
diff --git a/sane-backends.spec b/sane-backends.spec
index 43f6516..0ac0895 100644
--- a/sane-backends.spec
+++ b/sane-backends.spec
@@ -25,7 +25,7 @@ Group:          Hardware/Scanner
 AutoReqProv:    on
 Summary:        SANE (Scanner Access Now Easy) Scanner Drivers
 Version:        1.0.19
-Release:        94
+Release:        95
 Url:            http://www.sane-project.org/
 # URL for Source0: http://alioth.debian.org/frs/download.php/2318/sane-backends-1.0.19.tar.gz
 Source0:        sane-backends-%{version}.tar.bz2
@@ -95,6 +95,10 @@ Patch101:       disable-resmgr-support.patch
 # The libtool script used in sane-backends is slightly modified to support that.
 # Patch102 was dropped because there is no reason to build them as libtool modules
 # and it would make our package incompatible with the rest of the SANE world.
+# Patch103 installs tools/umax_pp as /usr/bin/umax_pp which is built
+# but not installed but it is needed to recover from a failed scan
+# with scanners which use the umax_pp backend, see http://bugs.debian.org/496833
+Patch103:       install-umax_pp-tool.patch
 # Install into this non-root directory (required when norootforbuild is used):
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 # The postinstall script requires this:
@@ -280,6 +284,8 @@ Authors:
 %patch100
 # Patch101 disables the special resmgr support in SANE (resmgr works now via ACLs):
 %patch101
+# Patch103 installs tools/umax_pp as /usr/bin/umax_pp:
+%patch103
 # Source100... is SUSE specific stuff:
 # Remove hpoj.desc completely to avoid confusion with its successor hpaio.desc
 # because since openSUSE 10.3 the package hp-officeJet (for hpoj.desc) is dropped.
@@ -398,6 +404,35 @@ done
 sed -i -e 's/^:interface "USB".*$/&\n:firmware "required"/' %{buildroot}%{_datadir}/sane/descriptions/snapscan.desc
 # Only the "SnapScan 1236u" needs no firmware upload (see Suse/Novell bug #73960):
 sed -i -e '/:model "SnapScan 1236u"/,/:firmware "required"/s/required//' %{buildroot}%{_datadir}/sane/descriptions/snapscan.desc
+# Scanner autoconfiguration stuff (packaged in sane-backends-autoconfig):
+# It must be done before the udev libsane.rules stuff because the scanner database is needed there.
+# This requires the installed descriptions and descriptions-external files
+# because create_scanner_database reads the description files to extract the needed info
+# to create the scanner database from which create_sane-backends-autoconfig.rules
+# extracts the needed info to generate the 56-sane-backends-autoconfig.rules file
+# for automated scanner driver activation via udev.
+# Note that driver activation alone is not sufficient
+# to have a usable "scanner autoconfiguration" for the user.
+# What is also needed are appropriate USB device file permissions
+# so that the user's scanning software can access the device.
+# But this is already in place via the HAL 70-scanner.fdi file
+# which contains a superset of USB scanner IDs (all known USB scanner IDs)
+# compared to the USB scanner IDs in 56-sane-backends-autoconfig.rules,
+# see create_sane-backends-autoconfig.rules for which USB scanners
+# automated driver activation is done (basically only those scanners
+# which are supported by a free driver, which do not require firmware upload,
+# and where the support status is "complete" or "good").
+# Modify create_scanner_database to find the description files in the BuildRoot directory
+# (the usual delimiter '/' cannot be used because buildroot contains it too):
+sed -i -e 's|/usr/share/sane/descriptions|%{buildroot}/usr/share/sane/descriptions|' %{SOURCE200}
+# Create the scanner database (it is also needed later to disable "unsupported" model entries in libsane.rules).
+# The scanner database file name "scanner.database" is used hardcoded in create_sane-backends-autoconfig.rules.
+bash %{SOURCE200} >scanner.database
+# Run create_sane-backends-autoconfig.rules:
+bash %{SOURCE201} >autoconfig.rules
+# Install the scanner autoconfiguration udev rules file:
+install -d %{buildroot}%{_sysconfdir}/udev/rules.d
+install -m644 autoconfig.rules %{buildroot}%{_sysconfdir}/udev/rules.d/56-sane-backends-autoconfig.rules
 # Since version 1.0.19 there is udev and HAL support.
 # Therefore the old/outdated hotplug stuff is dropped (was never used by openSUSE).
 # Neither tools/hotplug/libsane.usermap nor tools/hotplug/libusbscanner is installed.
@@ -427,8 +462,25 @@ sed -i -e 's/GROUP="scanner"/GROUP="lp"/' tools/udev/libsane.rules
 sed -i -e '/^SUBSYSTEM/s/"usb_device"/"usb"/' tools/udev/libsane.rules
 sed -i -e 's/SYSFS/ATTR/g' tools/udev/libsane.rules
 sed -i -e 's/^ENV{DEVTYPE}/# ENV{DEVTYPE}/' tools/udev/libsane.rules
+# Disable entries for USB scanners which are "unsupported"
+# but keep the entries for models for which the support status
+# is "complete", "good", "basic", "minimal", "untested"
+# because libsane.rules disables USB autosuspend
+# which is needed as safe default for any scanner
+# (regardless to what extent it is actually supported).
+# The only exception are unsupported models
+# because it seems to be wrong to have "known but unsupported" devices
+# listed in the libsane.rules file because it seems not to make sense
+# to set owner, group, and permissions for devices which are not
+# supported by SANE which would even cause conflicts if such a
+# device is supported by whatever other software,
+# see https://bugzilla.novell.com/show_bug.cgi?id=439193
+# Ignore case when using sed to avoid possible problems
+# with upper case letters in the USB IDs:
+for m in $( grep '||[^|]*|0x[0-9A-Fa-f][0-9A-Fa-f]*:0x[0-9A-Fa-f][0-9A-Fa-f]*|unsupported' scanner.database | cut -s -d '|' -f 7 | sort -f -u | sed -e 's/0x/./ig' -e 's/:/.,.ATTR.idProduct.==/' )
+do sed -i -e "/^ATTR.idVendor.==$m/Is/^ATTR/# ATTR/" tools/udev/libsane.rules
+done
 # Install the udev rules file:
-install -d %{buildroot}%{_sysconfdir}/udev/rules.d
 install -m644 tools/udev/libsane.rules %{buildroot}%{_sysconfdir}/udev/rules.d/55-libsane.rules
 # Regarding HAL:
 # Modify the generated tools/hal/libsane.fdi file as follows:
@@ -469,33 +521,6 @@ install -m644 %{SOURCE101} %{buildroot}%{_sysconfdir}/xinetd.d/
 # OpenSLP registration stuff:
 install -d -m755 %{buildroot}%{_sysconfdir}/slp.reg.d
 install -m644 %{SOURCE102} %{buildroot}%{_sysconfdir}/slp.reg.d
-# Scanner autoconfiguration stuff (packaged in sane-backends-autoconfig):
-# This requires the installed descriptions and descriptions-external files
-# because create_sane-backends-autoconfig.rules calls create_scanner_database
-# which reads the description files to extract the needed info from which
-# it generates the 56-sane-backends-autoconfig.rules file
-# for automated scanner driver activation via udev.
-# Note that driver activation alone is not sufficient
-# to have a usable "scanner autoconfiguration" for the user.
-# What is also needed are appropriate USB device file permissions
-# so that the user's scanning software can access the device.
-# But this is already in place via the HAL 70-scanner.fdi file
-# which contains a superset of USB scanner IDs (all known USB scanner IDs)
-# compared to the USB scanner IDs in 56-sane-backends-autoconfig.rules,
-# see create_sane-backends-autoconfig.rules for which USB scanners
-# automated driver activation is done (basically only those scanners
-# which are supported by a free driver, which do not require firmware upload,
-# and where the support status is "complete" or "good").
-# Modify create_scanner_database to find the description files in the BuildRoot directory
-# (the usual delimiter '/' cannot be used because buildroot contains it too):
-sed -i -e 's|/usr/share/sane/descriptions|%{buildroot}/usr/share/sane/descriptions|' %{SOURCE200}
-# Modify create_sane-backends-autoconfig.rules to call create_scanner_database with the right path
-# (the usual delimiter '/' cannot be used because SOURCE200 contains it too):
-sed -i -e 's|^bash create_scanner_database|bash %{SOURCE200}|' %{SOURCE201}
-# Run it:
-bash %{SOURCE201} >autoconfig.rules
-# Install the scanner autoconfiguration udev rules file:
-install -m644 autoconfig.rules %{buildroot}%{_sysconfdir}/udev/rules.d/56-sane-backends-autoconfig.rules
 
 %post
 /sbin/ldconfig
@@ -524,6 +549,7 @@ exit 0
 %{_bindir}/sane-config
 %{_bindir}/sane-find-scanner
 %{_bindir}/gamma4scanimage
+%{_bindir}/umax_pp
 %{_datadir}/locale/*/LC_MESSAGES/sane-backends.mo
 %{_datadir}/sane/
 %{_libdir}/libsane*
@@ -546,6 +572,31 @@ exit 0
 %{_sysconfdir}/udev/rules.d/56-sane-backends-autoconfig.rules
 
 %changelog
+* Wed Oct 29 2008 jsmeix@suse.de
+- Having only models in /etc/udev/rules.d/55-libsane.rules which
+  are in /etc/udev/rules.d/56-sane-backends-autoconfig.rules
+  is too restrictive because libsane.rules disables
+  USB autosuspend in the kernel which is needed as safe default
+  for any scanner regardless of its support status.
+  The only valid exception are unsupported models.
+  Therefore the scanner database is now created directly
+  in the spec file with the file name "scanner.database"
+  so that the scanner database can also be used to determine
+  the "unsupported" models to be disabled in libsane.rules
+  (see Novell/Suse Bugzilla bnc#439193).
+* Tue Oct 28 2008 jsmeix@suse.de
+- install-umax_pp-tool.patch installs tools/umax_pp as
+  /usr/bin/umax_pp which is built but not installed
+  but it is needed to recover from a failed scan
+  with scanners which use the umax_pp backend
+  (see the Debian report http://bugs.debian.org/496833).
+* Tue Oct 28 2008 jsmeix@suse.de
+- Avoid false positives (e.g. unsupported) and problematic
+  models in /etc/udev/rules.d/55-libsane.rules by having
+  all model entries disabled where the support status is
+  not "complete" or "good", i.e. when it is not listed
+  in /etc/udev/rules.d/56-sane-backends-autoconfig.rules
+  (see Novell/Suse Bugzilla bnc#439193).
 * Tue Oct 21 2008 jsmeix@suse.de
 - Changed /etc/udev/rules.d/55-libsane.rules to jump to the end
   if SUBSYSTEM!="usb" and replaced SYSFS by ATTR and did
@@ -915,7 +966,7 @@ exit 0
 - use $HOSTNAME instead of $LOCALHOST in slp reg file
 * Fri Nov 14 2003 adrian@suse.de
 - use correct keyword "X-UnitedLinux-Should-Start" in runlevel script
-* Fri Nov 14 2003 adrian@suse.de
+* Thu Nov 13 2003 adrian@suse.de
 - add xinetd file for sane daemon
 - let slpd check for running saned via (x)inetd
 - notify slpd, if using saned init script