On 9 Sep 2014, at 21:35, Jim Nelson <[email protected]> wrote: > The scrolledwindow/scrollbar warnings may be a red herring; sometimes these > kinds of warnings appear with different themes/custom GTK modifications (i.e. > global menu). I don't recall anyone else reporting them. > > The Directory Subimage / top pointer / IFD warnings are from Exiv2 and are > nothing to worry about. > > The "unable to fetch preview" warnings indicate what you think they indicate, > your thumbnails are being generated on-demand. > > The get_pixbuf_with_options assertion is, obviously, an issue. The source of > the issue appears to be: > >> gdk_pixbuf_scale_simple: assertion 'GDK_IS_PIXBUF (src) > > If you could follow the instructions at > https://wiki.gnome.org/Apps/Shotwell/ReportingABug, that would be a huge help.
Thanks, Jim. I’ve installed the necessary tools, and am running Shotwell through the debugger now. By a process of trial and error, I’ve found that repeatedly running Shotwell on a cold-booted computer will eventually allow it to get through whatever it is that causes it to crash, and allow it to run normally (albeit with a number of warning messages, depending on what I’m doing). That’s the state of affairs at the moment - apparently normal running! I’ll give the procedure another go tomorrow morning (it’s nearly 1 am here), when I expect the crashes will have started again (if the last few days are anything to go by), and report on my findings. Regards, Michael > > -- Jim > > On Sat, Sep 6, 2014 at 11:58 PM, Michael Hendry <[email protected]> > wrote: >> >> On 4 Sep 2014, at 17:30, Michael Hendry <[email protected]> wrote: >> >> On 4 Sep 2014, at 16:59, Michael Hendry <[email protected]> wrote: >> >> I’ve recently upgraded to Ubuntu 14.04, and installed Shotwell 0.18.1. >> >> After a short spell of “Updating library” there is a period during which I >> can use Shotwell, but after a total of about a minute, the display greys >> out, and the program shuts down. >> >> If I run Shotwell from the command line I get this: >> >> >> (shotwell:3394): Gtk-WARNING **: GtkScrolledWindow 0x11707130 is mapped but >> visible child GtkScrollbar 0x8b54798 is not mapped >> >> (shotwell:3394): Gtk-WARNING **: GtkScrolledWindow 0x11707130 is mapped but >> visible child GtkScrollbar 0x8b54798 is not mapped >> >> (shotwell:3394): Gtk-WARNING **: GtkScrolledWindow 0x11707130 is mapped but >> visible child GtkScrollbar 0x8b54798 is not mapped >> >> (shotwell:3394): Gtk-WARNING **: GtkScrolledWindow 0x11707130 is mapped but >> visible child GtkScrollbar 0x8b54798 is not mapped >> ** >> >> ERROR:/build/buildd/shotwell-0.18.1/src/Photo.vala:3330:photo_get_pixbuf_with_options: >> assertion failed: (pixbuf != null) >> Aborted (core dumped) >> >> >> Any advice? Suggestions as to further investigation? >> >> Regards >> >> Michael >> >> >> >> Here are a couple of further examples... >> >> michaelhendry@ubuntu:~$ date;shotwell;date >> Thu Sep 4 17:20:55 BST 2014 >> >> (shotwell:2483): Gtk-WARNING **: GtkScrolledWindow 0x1173c168 is mapped but >> visible child GtkScrollbar 0x8b88798 is not mapped >> >> (shotwell:2483): Gtk-WARNING **: GtkScrolledWindow 0x1173c168 is mapped but >> visible child GtkScrollbar 0x8b88798 is not mapped >> ** >> >> ERROR:/build/buildd/shotwell-0.18.1/src/Photo.vala:3330:photo_get_pixbuf_with_options: >> assertion failed: (pixbuf != null) >> Aborted (core dumped) >> Thu Sep 4 17:22:15 BST 2014 >> >> >> michaelhendry@ubuntu:~$ date;shotwell;date >> Thu Sep 4 17:22:28 BST 2014 >> ** >> >> ERROR:/build/buildd/shotwell-0.18.1/src/Photo.vala:3330:photo_get_pixbuf_with_options: >> assertion failed: (pixbuf != null) >> Aborted (core dumped) >> Thu Sep 4 17:24:34 BST 2014 >> michaelhendry@ubuntu:~$ >> >> …which might help to explain the problem. >> >> Looking at memory use - when Shotwell is first run, about 12% of the >> available RAM is taken up, and this doesn’t go back down after the crash. >> >> Subsequent runs of Shotwell seem not to affect RAM usage, which remains >> around 12%. >> >> Michael >> >> >> I thought Shotwell had mended itself yesterday, as it didn’t crash for many >> hours, and I was able to do a lot of tidying up and tagging jobs. >> >> Full of confidence, I shut Shotwell down and rebooted Ubuntu - the crashes >> came back. >> >> Starting up my iMac this morning, I had another go, and here’s what happened >> (I started it using the command-line “date >> crash.log;shotwell >> 2>>crash.log;date >> crash.log”). >> >> >> Sun Sep 7 07:28:54 BST 2014 >> >> (shotwell:2390): Gtk-WARNING **: GtkScrolledWindow 0x124a8180 is mapped but >> visible child GtkScrollbar 0x98db798 is not mapped >> >> (shotwell:2390): Gtk-WARNING **: GtkScrolledWindow 0x124a8180 is mapped but >> visible child GtkScrollbar 0x98db798 is not mapped >> >> (shotwell:2390): Gtk-WARNING **: GtkScrolledWindow 0x124a8180 is mapped but >> visible child GtkScrollbar 0x98db798 is not mapped >> >> (shotwell:2390): Gtk-WARNING **: GtkScrolledWindow 0x124a8180 is mapped but >> visible child GtkScrollbar 0x98db798 is not mapped >> >> (shotwell:2390): GdkPixbuf-CRITICAL **: gdk_pixbuf_scale_simple: assertion >> 'GDK_IS_PIXBUF (src)' failed >> L 2390 2014-09-07 07:30:21 [CRT] dimensions_for_pixbuf: assertion >> 'GDK_IS_PIXBUF (pixbuf)' failed >> ** >> ERROR:/build/buildd/shotwell-0.18.1/src/Photo.vala:3428:photo_get_pixbuf_with_options: >> assertion failed: >> (scaled_to_viewport.approx_equals(Dimensions.for_pixbuf(pixbuf), >> SCALING_FUDGE)) >> Sun Sep 7 07:30:28 BST 2014 >> Sun Sep 7 07:33:18 BST 2014 >> ** >> ERROR:/build/buildd/shotwell-0.18.1/src/Photo.vala:3330:photo_get_pixbuf_with_options: >> assertion failed: (pixbuf != null) >> Sun Sep 7 07:36:21 BST 2014 >> >> >> My (apparently) successful run yesterday generated a large number of >> warnings like those above, and also... >> >> L 8654 2014-09-06 15:02:36 [CRT] Directory SubImage1: Next pointer is out of >> bounds; ignored. >> >> … >> >> L 5689 2014-09-06 13:06:31 [CRT] Iop pointer references previously read >> Photo directory. Ignored. >> >> L 5689 2014-09-06 13:06:31 [CRT] Directory Thumbnail: IFD exceeds data >> buffer, cannot read entry count. >> >> … >> >> Part of the tidying up process I went through yesterday involved the >> recreation of about 15000 thumbnails, which I dealt with by scrolling slowly >> through the whole library, following the generation of lots of messages like >> this: >> >> L 3922 2014-09-05 18:35:53 [CRT] EventDirectoryItem.vala:109: Unable to >> fetch preview for Event [669/88896] Sun 7 Jan, 2001: Failed to open file >> '/home/michaelhendry/.cache/shotwell/thumbs/thumbs360/thumb0000000000006702.jpg': >> No such file or directory >> >> (I had copied the database across from a previous installation of Ubuntu, >> but hadn’t copied the thumbnails). >> >> I have a suspicion that the problem is with the photo.db database - is there >> a utility or a procedure which would allow me to check its integrity? >> >> I have spent many tens of hours on my Shotwell library, and am prepared to >> spend many more if necessary, to continue to use it. >> >> Michael >>
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