2.4.2.1 exits on Mac Sequoia 15.0.1 Intel but not Silicon

[Stephan Witt]

Am 06.10.2024 um 20:09 schrieb Eberhard W Lisse <nospam at lisse.NA>:
> 
> Hi,
> 
> I upgraded my intel mac laptop to 15.0.1 (quitting LyX before restarting
> the machine) and when I open LyX or a LyX document now it opens and
> closes immediately.
> 
> When I do that on the command line it shows the following
> 
>   qt.qpa.fonts: Populating font family aliases took 399 ms. Replace
> uses of missing font family "Serif" with one that exists to avoid this cost.
> 
> The fonts warning I have on the Silicon machine too and for a while now.
> 
>   Server.cpp (1016): LyX is already running in another instance
>   and 'use single instance' is active.
> 
> 
> However, LyX is NOT running (pax aux|grep -i lyx) shows nothing.
> 
> If I do this on the Silicon with LyX running I get the same error and if
> it is not, I don't and LyX starts as intended.
> 
> Any idea where I can look? And how?

Probably the LyX pipes (the names are per default .lyxpipe.in and .lyxpipe.out in folder ~/Library/Application\ Support/LyX-2.4) are present.
They shouldn’t if LyX is not running. Additionally some process has the pipes open and is waiting for input on it.

> Can I turn 'single instance' off somewhere/somehow?

You cannot turn it off on Mac.

BR, Stephan

> 
> greetings, el
> 
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