here is my output from debug, hangs at the same point:
$ gscan2pdf --debug
gscan2pdf 0.9.29
Using en_US.UTF-8 locale
Running init
Running sane_init
Gtk2-Perl version 1.221
Built for 2.18.2
Running with 2.18.3
Using GtkImageView version 1.6.1
Using Gtk2::ImageView version 0.05
Using PDF::API2 version 0.73
$VAR1 = {
'ocr panel' => '527',
'frontend' => 'libsane-perl',
'Paper' => {
'US Legal' => {
'l' => '0',
'y' => '356',
'x' => '216',
't' => '0'
},
'US Letter' => {
'l' => '0',
'y' => '279',
'x' => '216',
't' => '0'
},
'A4' => {
'l' => '0',
'y' => '297',
'x' => '210',
't' => '0'
}
},
'unsharp radius' => '0',
'ocr engine' => 'gocr',
'window_maximize' => '1',
'keywords' => '',
'layout' => 'single',
'cwd' => '/home/frenzy',
'unsharp amount' => '1',
'OCR output' => 'replace',
'image type' => 'pdf',
'OCR on scan' => '1',
'Page range' => 'all',
'subject' => '',
'default' => {
'hpaio:/usb/PSC_2350_series?serial=MY55IF53N8KJ' => {
'br-x' => '210'
}
},
'window_height' => '690',
'startup warning' => '1',
'rotate reverse' => '0',
'Dark threshold' => '0.12',
'pages to scan' => '1',
'Blank threshold' => '0.005',
'title' => 'test',
'unpaper on scan' => '1',
'rotate facing' => '0',
'cache options' => '1',
'libsane-perl version' => '0.03',
'author' => '',
'downsample dpi' => '150',
'window_width' => '1014',
'window_x' => '0',
'threshold tool' => '80',
'window_y' => '25',
'quality' => '75',
'date offset' => '0',
'unsharp sigma' => '1',
'thumb panel' => '100',
'version' => '0.9.29',
'device' => '',
'scan prefix' => '',
'unsharp threshold' => '0.05',
'SANE version' => '1.0.20',
'downsample' => '',
'restore window' => '1',
'pdf compression' => 'auto'
};
Found Image::Magick
Found ImageMagick
Found scanadf
Found xdg-email
Found gocr
Found tesseract
Found cjb2 (djvu)
Found unpaper
Found libtiff
Using /tmp/unehGbe6W1 for temporary files
Running sane_get_devices
$VAR1 = [];
*** unhandled exception in callback:
*** Can't call method "get_active" on an undefined value at
/usr/bin/gscan2pdf line 4548.
*** ignoring at /usr/bin/gscan2pdf line 10341.
Sane->get_devices returned: $VAR1 = [
{
'name' => 'hpaio:/usb/PSC_2350_series?serial=MY55IF53N8KJ',
'model' => 'PSC_2350_series',
'type' => 'all-in-one',
'vendor' => 'Hewlett-Packard'
}
];
sane_open returned SANE_Handle 162268928
Getting option 0 from SANE_Handle 162268928
Getting option description 1 from SANE_Handle 162268928
Getting option description 2 from SANE_Handle 162268928
Getting option 2 from SANE_Handle 162268928
Getting option description 3 from SANE_Handle 162268928
Getting option 3 from SANE_Handle 162268928
Getting option description 4 from SANE_Handle 162268928
Getting option description 5 from SANE_Handle 162268928
Getting option 5 from SANE_Handle 162268928
Getting option description 6 from SANE_Handle 162268928
Getting option 6 from SANE_Handle 162268928
Getting option description 7 from SANE_Handle 162268928
Getting option 7 from SANE_Handle 162268928
Getting option description 8 from SANE_Handle 162268928
Getting option 8 from SANE_Handle 162268928
Getting option description 9 from SANE_Handle 162268928
Getting option 9 from SANE_Handle 162268928
Getting option description 10 from SANE_Handle 162268928
Getting option description 11 from SANE_Handle 162268928
Getting option 11 from SANE_Handle 162268928
Getting option description 12 from SANE_Handle 162268928
Getting option 12 from SANE_Handle 162268928
Getting option description 13 from SANE_Handle 162268928
Getting option 13 from SANE_Handle 162268928
Getting option description 14 from SANE_Handle 162268928
Getting option 14 from SANE_Handle 162268928
Getting option description 15 from SANE_Handle 162268928
Getting option 15 from SANE_Handle 162268928
Sane->get_option_descriptor returned: $VAR1 = [
undef,
{
'cap' => 0,
'unit' => 0,
'max_values' => 0,
'title' => 'Scan mode',
'type' => 5,
'constraint_type' => 0
},
{
'cap' => 5,
'max_values' => 1,
'name' => 'mode',
'val' => 'Color',
'unit' => 0,
'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or
color).',
'constraint' => [
'Lineart',
'Gray',
'Color'
],
'type' => 3,
'title' => 'Scan mode',
'constraint_type' => 3
},
{
'cap' => 5,
'max_values' => 1,
'name' => 'resolution',
'val' => 75,
'unit' => 4,
'desc' => 'Sets the resolution of the scanned image.',
'constraint' => {
'min' => 75,
'max' => 1200,
'quant' => 0
},
'type' => 1,
'title' => 'Scan resolution',
'constraint_type' => 1
},
{
'cap' => 64,
'unit' => 0,
'max_values' => 0,
'title' => 'Advanced',
'type' => 5,
'constraint_type' => 0
},
{
'cap' => 101,
'max_values' => 1,
'name' => 'contrast',
'val' => 50,
'unit' => 0,
'desc' => 'Controls the contrast of the acquired image.',
'constraint' => {
'min' => 0,
'max' => 100,
'quant' => 0
},
'type' => 1,
'title' => 'Contrast',
'constraint_type' => 1
},
{
'cap' => 69,
'max_values' => 1,
'name' => 'compression',
'val' => 'JPEG',
'unit' => 0,
'desc' => 'Selects the scanner compression method for faster scans,
possibly at the expense of image quality.',
'constraint' => [
'None',
'JPEG'
],
'type' => 3,
'title' => 'Compression',
'constraint_type' => 3
},
{
'cap' => 69,
'max_values' => 1,
'name' => 'jpeg-quality',
'val' => 10,
'unit' => 0,
'desc' => 'Sets the scanner JPEG compression factor. Larger numbers
mean better compression, and smaller numbers mean better image quality.',
'constraint' => {
'min' => 0,
'max' => 100,
'quant' => 0
},
'type' => 1,
'title' => 'JPEG compression factor',
'constraint_type' => 1
},
{
'cap' => 69,
'max_values' => 1,
'name' => 'batch-scan',
'val' => 0,
'unit' => 0,
'desc' => 'Enables continuous scanning with automatic document
feeder (ADF).',
'type' => 0,
'title' => 'Batch scan',
'constraint_type' => 0
},
{
'cap' => 69,
'max_values' => 1,
'name' => 'source',
'val' => 'Flatbed',
'unit' => 0,
'desc' => 'Selects the scan source (such as a document-feeder).',
'constraint' => [
'Flatbed'
],
'type' => 3,
'title' => 'Scan source',
'constraint_type' => 3
},
{
'cap' => 64,
'unit' => 0,
'max_values' => 0,
'title' => 'Geometry',
'type' => 5,
'constraint_type' => 0
},
{
'cap' => 69,
'max_values' => 1,
'name' => 'length-measurement',
'val' => 'Padded',
'unit' => 0,
'desc' => 'Selects how the scanned image length is measured and
reported, which is impossible to know in advance for scrollfed scans.',
'constraint' => [
'Unknown',
'Approximate',
'Padded'
],
'type' => 3,
'title' => 'Length measurement',
'constraint_type' => 3
},
{
'cap' => 5,
'max_values' => 1,
'name' => 'tl-x',
'val' => 0,
'unit' => 3,
'desc' => 'Top-left x position of scan area.',
'constraint' => {
'min' => 0,
'max' => '215.899993896484',
'quant' => 0
},
'type' => 2,
'title' => 'Top-left x',
'constraint_type' => 1
},
{
'cap' => 5,
'max_values' => 1,
'name' => 'tl-y',
'val' => 0,
'unit' => 3,
'desc' => 'Top-left y position of scan area.',
'constraint' => {
'min' => 0,
'max' => '296.925994873047',
'quant' => 0
},
'type' => 2,
'title' => 'Top-left y',
'constraint_type' => 1
},
{
'cap' => 5,
'max_values' => 1,
'name' => 'br-x',
'val' => '215.899993896484',
'unit' => 3,
'desc' => 'Bottom-right x position of scan area.',
'constraint' => {
'min' => 0,
'max' => '215.899993896484',
'quant' => 0
},
'type' => 2,
'title' => 'Bottom-right x',
'constraint_type' => 1
},
{
'cap' => 5,
'max_values' => 1,
'name' => 'br-y',
'val' => '296.925994873047',
'unit' => 3,
'desc' => 'Bottom-right y position of scan area.',
'constraint' => {
'min' => 0,
'max' => '296.925994873047',
'quant' => 0
},
'type' => 2,
'title' => 'Bottom-right y',
'constraint_type' => 1
}
];
Setting option 14 on SANE_Handle 162268928
$VAR1 = [];
rotate facing 0
rotate reverse 0
non-duplex mode
rotate_facing 0
rotate_reverse 0
unpaper 1
OCR 1
Running sane_start for SANE_Handle 162268928
Getting parameters for SANE_Handle 162268928
gscan2pdf: scanning image of size 620x877 pixels at 24 bits/pixel
gscan2pdf: acquiring RGB frame
gscan2pdf: min/max graylevel value = 0/255
gscan2pdf: read 1631220 bytes in total
Scanned page /tmp/unehGbe6W1/out1.pnm. (scanner status = 5)
Importing /tmp/unehGbe6W1/out1.pnm, format Portable anymap
Added /tmp/unehGbe6W1/LKbNcTDVa0.pnm at page 1 with resolution 75
OCRflagging page: 0
unpaper --layout single --overwrite --input-file-sequence
/tmp/unehGbe6W1/LKbNcTDVa0.pnm --output-file-sequence
/tmp/unehGbe6W1/i0lbMgHh4R.pnm ;
Forked PID 6125
Processing sheet: /tmp/unehGbe6W1/LKbNcTDVa0.pnm ->
/tmp/unehGbe6W1/i0lbMgHh4R.pnm
Waiting to reap process at /usr/bin/gscan2pdf line 8825.
Reaped PID 0
gocr /tmp/unehGbe6W1/i0lbMgHh4R.pnm > /tmp/unehGbe6W1/spdFNM6cLj.txt;
Forked PID 6127
Waiting to reap process at /usr/bin/gscan2pdf line 9325.
Reaped PID 0
Forked PID 6138 <- HANGS HERE!
Use of uninitialized value $line in pattern match (m//) at
/usr/share/perl5/Config/General.pm line 1224.
Use of uninitialized value $line in pattern match (m//) at
/usr/share/perl5/Config/General.pm line 1224.
Use of uninitialized value $line in substitution (s///) at
/usr/share/perl5/Config/General.pm line 1246.
Use of uninitialized value $line in concatenation (.) or string at
/usr/share/perl5/Config/General.pm line 1247.
Closing SANE_Handle 162268928
Exiting via sane_exit
False alarm on 0.
Exiting via sane_exit
--
locks when trying to save as PDF
https://bugs.launchpad.net/bugs/424249
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