"vfprintf %s NULL" during bulk build

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"vfprintf %s NULL" during bulk build

Stuart Henderson
While reviewing syslog to look for realpath problems I noticed these,
in case anyone cares:

GUPnPAV-1.0: vfprintf %s NULL in "URL: %s, ID: %s."
desktoptojson: vfprintf %s NULL in "Warning: %s (%s:%u, %s) "
mono: vfprintf %s NULL in "%s %2d %02d:%02d:%02d%.*s %d%s"
valac: vfprintf %s NULL in " value="%s""
xpcshell: vfprintf %s NULL in "%s: Resetting desktop app info dirs from %s to %s"
gst-plugin-scanner: vfprintf %s NULL in "%s%s"

(The last one was quite special because it was followed by "last message
repeated 44329 times", though looking at older logs that seems unusual).

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Re: "vfprintf %s NULL" during bulk build

Markus Lude-3
On Wed, Jun 05, 2019 at 09:06:48PM +0100, Stuart Henderson wrote:

> While reviewing syslog to look for realpath problems I noticed these,
> in case anyone cares:
>
> GUPnPAV-1.0: vfprintf %s NULL in "URL: %s, ID: %s."
> desktoptojson: vfprintf %s NULL in "Warning: %s (%s:%u, %s) "
> mono: vfprintf %s NULL in "%s %2d %02d:%02d:%02d%.*s %d%s"
> valac: vfprintf %s NULL in " value="%s""
> xpcshell: vfprintf %s NULL in "%s: Resetting desktop app info dirs from %s to %s"
> gst-plugin-scanner: vfprintf %s NULL in "%s%s"
>
> (The last one was quite special because it was followed by "last message
> repeated 44329 times", though looking at older logs that seems unusual).

in messages log:
first vfprintf entry starting at may 4th:
firefox: vfprintf %s NULL in "%s: Resetting desktop app info dirs from %s to %s"
a few times per day, all with firefox

The first entry on may 4th was while updating packages, among them
firefox. I still have a log of package update if anyone is interested.

Regards
Markus

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Re: "vfprintf %s NULL" during bulk build

Stuart Henderson
On 2019/06/05 23:08, Markus Lude wrote:

> On Wed, Jun 05, 2019 at 09:06:48PM +0100, Stuart Henderson wrote:
> > While reviewing syslog to look for realpath problems I noticed these,
> > in case anyone cares:
> >
> > GUPnPAV-1.0: vfprintf %s NULL in "URL: %s, ID: %s."
> > desktoptojson: vfprintf %s NULL in "Warning: %s (%s:%u, %s) "
> > mono: vfprintf %s NULL in "%s %2d %02d:%02d:%02d%.*s %d%s"
> > valac: vfprintf %s NULL in " value="%s""
> > xpcshell: vfprintf %s NULL in "%s: Resetting desktop app info dirs from %s to %s"
> > gst-plugin-scanner: vfprintf %s NULL in "%s%s"
> >
> > (The last one was quite special because it was followed by "last message
> > repeated 44329 times", though looking at older logs that seems unusual).
>
> in messages log:
> first vfprintf entry starting at may 4th:
> firefox: vfprintf %s NULL in "%s: Resetting desktop app info dirs from %s to %s"
> a few times per day, all with firefox
>
> The first entry on may 4th was while updating packages, among them
> firefox. I still have a log of package update if anyone is interested.

That one is from a debug print in libgio-2,

glib-2.60.3/gio/gdesktopappinfo.c:
1484   /* If the XDG dirs configuration has changed (expected only during tests),
1485    * clear and reload the state. */
1486   if (g_strcmp0 (desktop_file_dirs_config_dir, user_config_dir) != 0)
1487     {
1488       g_debug ("%s: Resetting desktop app info dirs from %s to %s",
1489                G_STRFUNC, desktop_file_dirs_config_dir, user_config_dir);

I'm not convinced syslogging this is doing much good ..