This is another case where it would help to see the 'dmesg' output, maybe not all of it , but , for example on mine it shows at the bottom, I get the same error message when I disconnect my phone , which is tethered for internet access. Don't worry about clutter, the more details , the easier it is for others to help.
===== Example ====
When I tether my phone, or when I turn the tethering on or off, it gives this error message.
Example on mine:
xconsole shows:
Code:
error: [drm:pid77448:intel_pipe_update_start] *ERROR* Potential atomic update failure on pipe A
So I run:
Code:
$ ps -77448 -o command
COMMAND
/usr/X11R6/bin/X :0 -auth /home/garry/.serverauth.PxOJgqRWFX (Xorg)
So do I also have a problem related to X windows ? don't think so, the actual error message is no problem, it advises me that my connection was broken, or made, usually I deliberately disconnected.
The 'dmesg' output shows: ( a small part only)
Code:
urndis0: using RNDIS, address c6:8d:d2:d2:fd:b9
urndis0 detached
ugen0 at uhub1 port 1 "MediaTek BLU" rev 2.00/ff.ff addr 2
ugen0 detached
urndis0 at uhub1 port 1 configuration 1 interface 0 "MediaTek BLU" rev 2.00/ff.ff addr 2
urndis0: using RNDIS, address 6a:97:d5:d1:13:27
error: [drm:pid77448:intel_pipe_update_start] *ERROR* Potential atomic update failure on pipe A
================= end example ==========
In your case though, I think it would be to your advantage to show the entire dmesg output, or at least tell us what you did, or were doing when it triggered that error, ? "dmesg" will show that.
=== edit, side note:
There is a package called "hexedit", it can be used to read and edit binary files,
Quote:
HEXEDIT(1) General Commands Manual HEXEDIT(1)
NAME
hexedit - view and edit files in hexadecimal or in ASCII
SYNOPSIS
hexedit [-s | --sector] [-m | --maximize] [-l<n> | --linelength <n>]
[-h | --help] [filename]
DESCRIPTION
hexedit shows a file both in ASCII and in hexadecimal. The file can be
a device as the file is read a piece at a time. You can modify the file
and search through it.
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