Hi all,

over the last few months, I've been writing my thesis in lyx (using it many 
hours every day). I'm using lyx-1.6.1 on fedora 10 (the version available 
through fedora's package manager yum).
Since this week, however, I'm experiencing very frequent crashes (being able to 
work for 15 minutes without a crash has become exceptional). Before, lyx almost 
never crashed. 

Most crashes seem to occur when moving the cursor with the arrow keys, 
especially when selecting things (moving around when shift is pressed), but 
sometimes also when editing formulas or just text. Sometimes it just locks up, 
sometimes it becomes extremely slow (it takes about 20 seconds to respond to a 
keypress, for instance) and then locks up. When it is very slow or locked up, 
there is no excessive cpu or ram usage. The only way to close the program is to 
kill it. I usually start it from an xterm, but there are no problem related 
messages dispayed in the terminal when it crashes. No emergency copy of the 
document is saved, all work that wasn't saved is lost in the crash.

Since the problem has started so suddenly, I suspect it may be caused by a 
package update (fedora very regularly offer package updates). I have a list of 
recently updated packages, but am quite clueless about which may cause the 
problem. Since I've only done relatively small edits since early last week, I 
don't exactly know which date the problem started, only that it was after 
february 24th, so I have included the (relatively long) list of updated 
packages since then at the and of this post.
No other programs are having problems, lyx seems to be the only one.

If anyone has any suggestions I would be very grateful.

Kind regards,
Michael

List of updated packages (from /var/log/yum.log):

Feb 25 01:41:27 Updated: gvfs-1.0.3-5.fc10.i386
Feb 25 01:41:27 Updated: libgcrypt-1.4.4-1.fc10.i386
Feb 25 01:41:28 Updated: 2:gimp-libs-2.6.5-1.fc10.i386
Feb 25 01:41:31 Updated: system-config-printer-libs-1.0.15-1.fc10.i386
Feb 25 01:41:35 Updated: ghex-2.24.0-2.fc10.i386
Feb 25 01:41:56 Updated: 2:gimp-2.6.5-1.fc10.i386
Feb 25 01:41:57 Updated: libgcrypt-devel-1.4.4-1.fc10.i386
Feb 25 01:41:57 Updated: gvfs-smb-1.0.3-5.fc10.i386
Feb 25 01:41:58 Updated: gvfs-obexftp-1.0.3-5.fc10.i386
Feb 25 01:41:58 Updated: gvfs-gphoto2-1.0.3-5.fc10.i386
Feb 25 01:41:58 Updated: gvfs-archive-1.0.3-5.fc10.i386
Feb 25 01:41:58 Updated: gvfs-fuse-1.0.3-5.fc10.i386
Feb 25 01:41:59 Updated: 1:wpa_supplicant-0.6.4-3.fc10.i386
Feb 25 01:42:19 Updated: gstreamer-plugins-good-0.10.13-1.fc10.i386
Feb 25 01:42:19 Updated: xorg-x11-server-common-1.5.3-13.fc10.i386
Feb 25 01:42:21 Updated: system-config-printer-1.0.15-1.fc10.i386
Feb 25 01:42:24 Updated: flash-plugin-10.0.22.87-release.i386
Feb 25 01:42:24 Updated: fontpackages-filesystem-1.20-1.fc10.noarch
Feb 25 01:42:25 Updated: xorg-x11-server-Xorg-1.5.3-13.fc10.i386
Feb 25 01:42:26 Updated: rpm-libs-4.6.0-1.fc10.i386
Feb 25 01:42:29 Updated: rpm-4.6.0-1.fc10.i386
Feb 25 01:42:29 Updated: rpm-devel-4.6.0-1.fc10.i386
Feb 25 01:42:30 Updated: rpm-build-4.6.0-1.fc10.i386
Feb 25 01:42:31 Updated: rpm-python-4.6.0-1.fc10.i386
Feb 25 01:42:47 Updated: rpm-4.6.0-1.fc10.i386
Feb 26 03:28:23 Updated: e2fsprogs-libs-1.41.4-1.fc10.i386
Feb 26 03:28:23 Updated: crontabs-1.10-26.fc10.noarch
Feb 26 03:28:26 Updated: e2fsprogs-1.41.4-1.fc10.i386
Feb 26 03:28:27 Updated: hal-cups-utils-0.6.19-1.fc10.i386
Feb 26 03:28:29 Updated: e2fsprogs-devel-1.41.4-1.fc10.i386
Feb 26 03:28:31 Updated: anacron-2.3-66.fc10.i386
Feb 27 03:42:22 Updated: 1:gdm-2.24.1-4.fc10.i386
Feb 27 03:42:23 Updated: 2:ntfs-3g-2009.2.1-2.fc10.i386
Feb 27 03:42:29 Updated: pygtk2-2.13.0-3.fc10.i386
Feb 27 03:42:29 Updated: libmusicbrainz3-3.0.2-4.fc10.i386
Feb 27 03:42:30 Updated: 2:libpng-1.2.35-1.fc10.i386
Feb 27 03:42:31 Updated: xorg-x11-drv-evdev-2.1.3-1.fc10.i386
Feb 27 03:42:31 Updated: pygtk2-libglade-2.13.0-3.fc10.i386
Feb 27 03:42:32 Updated: 1:gdm-user-switch-applet-2.24.1-4.fc10.i386
Feb 27 03:42:32 Updated: setup-2.7.4-4.fc10.noarch
Feb 28 22:49:40 Updated: pciutils-libs-3.0.2-3.fc10.i386
Feb 28 22:49:41 Updated: pciutils-3.0.2-3.fc10.i386
Feb 28 22:49:42 Updated: iok-1.3.1-1.fc10.i386
Feb 28 22:49:53 Updated: coreutils-6.12-19.fc10.i386
Feb 28 22:49:54 Updated: upstart-0.3.9-22.fc10.i386
Feb 28 22:49:54 Updated: pciutils-devel-3.0.2-3.fc10.i386
Mar 03 01:57:46 Updated: mplayer-1.0-0.104.20090204svn.fc10.i386
Mar 04 02:34:52 Updated: selinux-policy-3.5.13-46.fc10.noarch
Mar 04 02:34:53 Updated: kernel-firmware-2.6.27.19-170.2.35.fc10.noarch
Mar 04 02:35:04 Installed: system-config-date-1.9.36-1.fc10.noarch
Mar 04 02:35:08 Installed: system-config-date-docs-1.0.5-1.fc10.noarch
Mar 04 02:36:01 Updated: selinux-policy-targeted-3.5.13-46.fc10.noarch
Mar 04 02:36:09 Updated: kernel-headers-2.6.27.19-170.2.35.fc10.i386
Mar 04 02:36:38 Installed: kernel-devel-2.6.27.19-170.2.35.fc10.i686
Mar 04 02:36:43 Updated: gvfs-1.0.3-6.fc10.i386
Mar 04 02:36:44 Updated: audit-libs-1.7.12-1.fc10.i386
Mar 04 02:36:44 Updated: 1:cups-libs-1.3.9-8.fc10.i386
Mar 04 02:36:46 Updated: gtkhtml3-3.24.5-1.fc10.i386
Mar 04 02:36:51 Updated: evolution-data-server-2.24.5-1.fc10.i386
Mar 04 02:37:33 Updated: evolution-2.24.5-1.fc10.i386
Mar 04 02:37:35 Updated: SDL-1.2.13-7.fc10.i386
Mar 04 02:37:36 Updated: linuxwacom-0.8.0.3-8.fc10.i386
Mar 04 02:37:37 Updated: libgxim-0.3.2-3.fc10.i386
Mar 04 02:37:38 Updated: soprano-2.2.3-1.fc10.i386
Mar 04 02:37:41 Updated: anthy-9100h-1.fc10.i386
Mar 04 02:37:48 Updated: 1:cups-1.3.9-8.fc10.i386
Mar 04 02:37:48 Updated: gvfs-gphoto2-1.0.3-6.fc10.i386
Mar 04 02:37:49 Updated: xorg-x11-drv-vmmouse-12.6.3-3.fc10.i386
Mar 04 02:37:49 Updated: gvfs-obexftp-1.0.3-6.fc10.i386
Mar 04 02:37:49 Updated: gvfs-smb-1.0.3-6.fc10.i386
Mar 04 02:37:50 Updated: gvfs-archive-1.0.3-6.fc10.i386
Mar 04 02:37:50 Updated: 1:cups-devel-1.3.9-8.fc10.i386
Mar 04 02:37:52 Updated: alsa-utils-1.0.19-2.fc10.i386
Mar 04 02:37:53 Updated: audit-1.7.12-1.fc10.i386
Mar 04 02:37:53 Updated: gvfs-fuse-1.0.3-6.fc10.i386
Mar 04 02:37:53 Updated: audit-libs-python-1.7.12-1.fc10.i386
Mar 04 02:38:15 Installed: kernel-2.6.27.19-170.2.35.fc10.i686
Mar 04 02:38:16 Updated: evolution-perl-2.24.5-1.fc10.i386
Mar 04 02:39:53 Installed: kernel-2.6.27.19-170.2.35.fc10.i686
Mar 06 01:44:50 Updated: gssdp-0.6.4-1.fc10.i386
Mar 06 01:44:52 Updated: gupnp-0.12.6-1.fc10.i386
Mar 06 01:44:55 Updated: fftw-3.2.1-1.fc10.i386
Mar 06 01:45:04 Updated: libgxim-0.3.2-4.fc10.i386
Mar 06 01:45:04 Updated: xorg-x11-drv-synaptics-0.15.2-4.fc10.i386
Mar 06 01:45:05 Updated: gssdp-devel-0.6.4-1.fc10.i386
Mar 06 01:45:07 Updated: gupnp-devel-0.12.6-1.fc10.i386
Mar 06 23:35:49 Updated: libtalloc-1.2.0-27.fc10.i386
Mar 06 23:35:50 Updated: libtdb-1.1.1-27.fc10.i386
Mar 06 23:35:50 Updated: bluez-libs-4.30-2.fc10.i386
Mar 06 23:35:51 Updated: libcurl-7.19.4-1.fc10.i386
Mar 06 23:35:54 Updated: libcurl-devel-7.19.4-1.fc10.i386
Mar 06 23:35:54 Updated: curl-7.19.4-1.fc10.i386
Mar 06 23:35:57 Updated: bluez-4.30-2.fc10.i386
Mar 06 23:35:57 Updated: bluez-cups-4.30-2.fc10.i386
Mar 06 23:35:57 Updated: bluez-alsa-4.30-2.fc10.i386
Mar 06 23:35:58 Updated: jhead-2.86-1.fc10.i386
Mar 06 23:36:00 Updated: samba-winbind-3.2.8-0.27.fc10.i386
Mar 06 23:36:05 Updated: samba-common-3.2.8-0.27.fc10.i386
Mar 06 23:36:09 Updated: samba-3.2.8-0.27.fc10.i386
Mar 06 23:36:14 Updated: samba-client-3.2.8-0.27.fc10.i386
Mar 06 23:36:15 Updated: libsmbclient-3.2.8-0.27.fc10.i386


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