chroot question

[jd1008]

On 04/22/2015 12:58 AM, Cameron Simpson wrote:
> On 21Apr2015 20:47, jd1008 <jd1008 at gmail.com> wrote:
>> Now that chroot works, I am having a problem
>> with running gui apps.
>> For example running firefox, I get
>>
>> (process:10281): GLib-CRITICAL **: g_slice_set_config: assertion 
>> 'sys_page_size == 0' failed
>> (firefox:10281): GnomeUI-WARNING **: While connecting to session 
>> manager:
>> None of the authentication protocols specified are supported.
>
> No idea about these.
>
>> (firefox:10281): Pango-WARNING **: failed to choose a font, expect 
>> ugly output. engine-type='PangoRenderFc', script='common'
>> bash-4.3$
>> (crashreporter:10321): Pango-WARNING **: failed to choose a font, 
>> expect ugly output. engine-type='PangoRenderFc', script='common'
>> (crashreporter:10321): Pango-WARNING **: failed to choose a font, 
>> >expect ugly output. engine-type='PangoRenderFc', script='latin'
>>
>> What am I missing???
>
> Presumably font directories. From /usr/X11, /usr/share/X11 
> /usr/lib/something?  Not sure where. /usr/share/fonts, 
> /usr/X11/share/fonts?
>
> I would "strace -f -e trace=file -o strace.out" your firefox process, 
> see where it goes looking for things.
>
Now that I have it working, I notice that the effective uid and 
effective gid of user2 are 0.
What a hole !!!
I modified a copy of chroot to set the effective uid and gid to those of 
user2,
but still, it does not seem to change them.