[Lcdproc] Problems with CF634 usb

[Joris Robijn]

On 27 May 2007 at 11:57, Stewart W. Putnam wrote:

> On etch 2.6.17 gcc 4.1 I got: Open as root -> drop_privs -> 
> "user=nobody: write permision denied."  My solution was to drop_privs 
> before opening a file and make each thread (listen for packets, send 
> packets, manage fans ) drop_privs similarly to maintain identical 
> privalages.

It's not a difference between the distros in the permissions of the 
device/file that you are trying to write to ?

> is a complex set of options that at the moment appears to me to have 
> changed from sarge 2.6.8 gcc 3.3 to etch 2.6.17 gcc 4.1, likely as

In that case it should be a kernel difference, because these things are 
kernel work. Process stuff IS, thread stuff is NOT kernel work, as far as 
I know.

> This is complex and I'm thinking vaugely about how the one specific 
> change I noticed might be analagous to what Brian is finding.

Hmm I'm specifically thinking in the area of sending/receiving signals.

> I'd like to see a full / unedited ReportLevel=5 syslog up to and a 
> little past the hang from Brian.   Actually two such log reports, one 
> done with LCDd.conf [server] "User=nobody" and one with "#User=nobody". 
> It would give a detailed look at what wave_to_parent is dooing and show
> wheather the drop_privs part makes any difference.

Note that that requires compiling with the debug option on.

Joris
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Joris Robijn <joris@robijn.net>
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