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Subject: Re: [geda-user] gEDA 1.10.2 printing issues (was [ANNOUNCE]...)
To: geda-user AT delorie DOT com
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From: "Girvin Herr (gherrl AT fastmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Message-ID: <3fd7d6d9-6908-bb13-6ed9-5fe46d9552a5@fastmail.com>
Date: Tue, 29 Dec 2020 14:06:07 -0800
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On 12/29/20 11:49 AM, Glenn (glimrick AT epilitimus DOT com) [via 
geda-user AT delorie DOT com] wrote:
> Girvin Herr (gherrl AT fastmail DOT com) [via geda-user AT delorie DOT com] wrote:
>> Glenn,
>>
>> When I shut down X yesterday, sure enough, I saw a GDbus error. So I
>> copied it down before I logged out:
>>
>>      <snip>
>>
>>      (thunderbird:1948): Gtk-WARNING **: Unknown paper size Custom Size 1
>>
>>      **(thunderbird:1948):WARNING **:
>>      GDbus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name
>>      org.freedesktop.avahi was not provided by any .service files
>>
>>      **(thunderbird:1948):WARNING **:
>>      GDbus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name
>>      org.freedesktop.avahi was not provided by any .service files
>>
>>      (thunderbird:1948): Gtk-WARNING **: Unknown paper size Custom Size 1
>>
>>      <snip>
>>
>> Note that "Custom Size 1" paper size is a size I made years ago for
>> Firefox to print properly. I am not sure this size is needed any
>> longer, but my Firefox is still using it in the default print dialog.
>>
>> These two errors look different, but notice the ID is the same (1948)
>> and all from thunderbird, so I assume they are all connected.
>>
>> Since the X log does not timestamp the entries, I cannot say if these
>> errors occurred from my shutdown or prior to shutdown sometime. I just
>> checked the log in the F1 terminal and it does have similar GDBus
>> entries, but for Firefox, not thunderbird, but still for "Custom Size
>> 1" and avahi. So, it could be occurring before shutdown, where
>> anything can happen.
>>
>> This message is similar to what I get in red in the gschem status
>> window when I open the print dialog:
>>
>>      GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name
>>      org.freedesktop.Avahi was not provided by any .service
>>      filesGDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The
>>      name org.freedesktop.Avahi was not provided by any .service files
>>
>> Similar, but not identical. Note that it is doubled, similar to the
>> messages from thunderbird.
>>
>> I will try changing Mozilla's print dialog to select another default
>> standard paper size and see if that will work for me. If it does, I
>> can delete my "Custom Size 1" size and see what happens.
>>
>> HTH.
>>
>> Girvin
>>
>>
> I am just guessing here but the 1948 is probabliy the PID thunderbird
> was running as so it would make sense that they all have the same #. All
> the warnings mean is that thunderbird made a request on the dbus and
> that request didn't succeed. Again as a guess thunderbird was probably
> trying to find out which printers supported that paper size. Lots of
> things use dbus, and anything that does so via gnome will be prone to
> issuing gdbus errors/warnings because that is the gnome implementation
> of the dbus interface. Avahi seems to be fairly widely used for service
> discovery.
>
> Based on what I know so far I don't think the dbus message is connected
> to the hotkey problem and is probably an artifact of Slackware being
> bare bones. By which I mean the Volkerding focuses on producing a basic
> working system, rather than trying to produce a system that has every
> possible whizbang on it. Makes the user work a bit more, but you gain a
> better understanding of how the system works, IMO. Sometimes software
> that is ubiquitous, but not mission critical, gets left out to be added
> if the users want it. I think avahi falls into the category.
>
> Another guess, there are two messages because based on my quick review
> of the gtk print backend it makes a primary attempt at service discovery
> and then a fallback attempt if the primary fails. But I haven't run the
> code in a debugger to know for certain.
>
> While they look ominous they are really only informational and not what
> I would consider and "ERROR". If you had avahi running and got this then
> yes it is important, but not in this case.
>
> Just my $0.02 worth. B)
> Glenn

Glenn,

I see SlackBuilds.org has an avahi Slackware package available. When I 
get a few moments, I may try to install it and see if it quiets things 
down a bit. If not, no great loss.

Thanks.

Girvin