Re: X protocol error:

[Jan Djärv]

Sam Steingold skrev:
> Jan Djärv wrote:
>> address@hidden skrev:
>>> GNU Emacs 22.0.92.5 (i686-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
>>>  of 2007-01-08 on quant8
>>>
>>> Just got this:
>> ...
>>> (gdb) c
>>> Continuing.
>>> X protocol error: BadFont (invalid Font parameter) on protocol
>>> request 55
>>>
>>> Dunno what this might mean, nor how to reproduce this.
>>>
>>
>> It means that somewhere you (or someone else) gave Emacs a font name
>> that does
>> not exist on your system.
> 
> a crash on invalid argument in the middle of an interactive work (as
> opposed to startup) is kind of ungraceful.
> I thought that if an invalid font it supplied, something else is
> substituted instead (e.g., plain if no italic, or similar size if the
> specific size if not found...)

It could be a bad face specification, or it could even be a bug in the X
server.  If an X font server is used, it is possible it did not answer
(network problems?).  Usually we should catch these, but if it isn't
reproduceable, it is hard to debug.

        Jan D.