simple-scan fails to save a large scanned document

Binary package hint: simple-scan

When trying to save a large scanned document (80+ pages), simple-scan processes
for several minutes and then fails with the following message:

ImageMagick returned error code 9
Command line: convert -adjoin /tmp/simple-scan-XRTTEV.tiff ... /tmp/simple-scan-M8YUEV.pdf
Stdout:
Stderr:

(the command line was actually 2552 characters long and had 87 file names)

After deleting 30 pages from the same document using the simple-scan GUI
(right click on a page, delete), the save command worked OK.

Maybe there is a limit on the command line length or the allowed file (page) count.
If so, "error code 9" is a poor message and the limit should be raised.

I am using Ubuntu 10.04 and the installed version of simple-scan is 1.0.3-0ubuntu1.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: simple-scan 1.0.3-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-22.36-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-22-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Tue Jun 29 07:24:55 2010
DriverPackageVersions:
 libsane 1.0.20-13ubuntu2
 libsane-extras N/A
 hplip 3.10.2-2ubuntu2
 hpoj N/A
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
MachineType: MSI MS-7593
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-22-generic root=UUID=423c3835-9ec3-4215-a2e1-82240f41b9eb ro quiet splash
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: simple-scan
dmi.bios.date: 04/17/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V1.2
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: MSI X58M (MS-7593)
dmi.board.vendor: MSI
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.2:bd04/17/2009:svnMSI:pnMS-7593:pvr1.0:rvnMSI:rnMSIX58M(MS-7593):rvr1.0:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvr1.0:
dmi.product.name: MS-7593
dmi.product.version: 1.0
dmi.sys.vendor: MSI