On Tue, Sep 2, 2014 at 2:51 PM, IOhannes m zmoelnig <zmoelnig@iem.at> wrote:

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On 2014-08-31 17:34, Alexandros Drymonitis wrote:
> I'm starting a new thread cause the problems I have with Odroid
> are changing. Since I installed Pd with apt-get, at first, when I
> was writing /usr/bin/pd, I was getting the following: priority 6
> scheduling enabled. priority 8 scheduling enabled.

whenever I have problems starting Pd, I start with disabling (default)
options.
the above indicates that Pd tries to run with rt-priviliges.
run with "-nrt".

> Fontconfig warning: ignoring UTF-8: not a valid region tag
>
> and Pd was hanging (this was mentioned in the previous thread).
>
> Now I get something else when I try to open Pd, which is this:

[...]
> xcb_connection_has_error() returned true

since i have never seen this error before, i pasted it into my
favourite search engine (you might want to do the same).
the results i got seem to indicate that it is related to pulseaudio.

I am searching the errors, but get dozens of links and not sure which one gives answers I need. I try different things...

try starting Pd without audio:
run with "-nosound".

Did with both -nrt and -nosound flags, but the same thing happens, only I didn't see watchdog signaling Pd...

> X11 connection rejected because of wrong authentication. X11
> connection rejected because of wrong authentication. X11 connection
> rejected because of wrong authentication. X11 connection rejected
> because of wrong authentication. X11 connection rejected because of
> wrong authentication.

again i did a quick websearch, and found [2], which gives a nice
checklist (though you can ignore the last item with "X11 client
forwarding", as this is a) turned on explicitely with "-X" and b)
seems to work anyhow e.g. on udoo)

Seems to be ok, following these directions. Though, since the initial problem was space, I searched for the linux command to show partitions and found $ sudo fdisk -l, which gives the following:
Disk /dev/mmcblk0: 7818 MB, 7818182656 bytes
4 heads, 16 sectors/track, 238592 cylinders, total 15269888 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000c4046

        Device Boot      Start         End      Blocks   Id  System
/dev/mmcblk0p1            3072      266239      131584    6  FAT16
/dev/mmcblk0p2          266240     7407615     3570688   83  Linux

Disk /dev/mmcblk0rpmb: 0 MB, 524288 bytes
4 heads, 16 sectors/track, 16 cylinders, total 1024 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mmcblk0rpmb doesn't contain a valid partition table

Disk /dev/mmcblk0boot1: 4 MB, 4194304 bytes
4 heads, 16 sectors/track, 128 cylinders, total 8192 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mmcblk0boot1 doesn't contain a valid partition table

Disk /dev/mmcblk0boot0: 4 MB, 4194304 bytes
4 heads, 16 sectors/track, 128 cylinders, total 8192 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x1907e61d

Disk /dev/mmcblk0boot0 doesn't contain a valid partition table

any secret hidden there?

> priority 6 scheduling enabled. priority 8 scheduling enabled. X11
> connection rejected because of wrong authentication. X11 connection
> rejected because of wrong authentication. application-specific
> initialization failed: couldn't connect to display
> "localhost:10.0"

"localhost:10.0" is the DISPLAY-setting for X11-forwarding via ssh.
this means: whenever you start "ssh -X ...", ssh will set the DISPLAY
to this value, so that all X11-applications will be forwarded to your
local machine.

in any case, you should first get X11 forwarding to run properly
(without Pd).
use some simple application (like xclock or xeyes) to test whether it
works,

Nope, none of them. Both give this error:

X11 connection rejected because of wrong authentication.

Error: Can't open display: localhost:10.0

fgdmasr
IOhannes

[2]
http://www.cyberciti.biz/faq/x11-connection-rejected-because-of-wrong-authentication/
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