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Re: X crashes when closing one of two running X sessions



Ok got more detailed info on the crash. First some info

Debian Stretch 64 with Radeon Turks graphics card

Note: I'm running X without root priv. I just log into a virtual term
and run startx. The crash (of the first X session) specifically
happens (not when closing the second X session) but when I log out of
the second virtual term (ctrl-d) after closing the second X session.

Update: In fact I don't even need to start a second X session I just
need to switch to another virtual term, log in and then log out. X
crash occurs with both xfce and openbox. Here is my startx errors and
my Xorg.0.log file relevant output

startx errors:
...
xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted)
(II) [KMS] Kernel modesetting enabled.
-------------------------------------------------------------this is
where the errors
begin----------------------------------------------------
(II) AIGLX: Suspending AIGLX clients for VT switch
(II) AIGLX: Suspending AIGLX clients for VT switch
(EE)
Fatal server error:
(EE) EnterVT failed for screen 0
(EE)
(EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
 for help.
(EE) Please also check the log file at
"/home/arky/.local/share/xorg/Xorg.0.log" for additional information.
(EE)
(II) AIGLX: Suspending AIGLX clients for VT switch
(EE) Server terminated with error (1). Closing log file.
xinit: connection to X server lost

waiting for X server to shut down


Xorg.0.log errors:

[   728.156] (II) systemd-logind: got resume for 13:76
[   728.172] (II) systemd-logind: got resume for 13:77
[   728.188] (II) systemd-logind: got resume for 13:67
[   728.204] (II) systemd-logind: got resume for 13:75
[   728.220] (II) systemd-logind: got resume for 13:66
[   728.220] (II) systemd-logind: got resume for 226:0
[   728.233] (II) AIGLX: Resuming AIGLX clients after VT switch
[   728.233] (EE) RADEON(0): failed to set mode: Permission denied
[   728.233] (EE)
Fatal server error:
[   728.234] (EE) EnterVT failed for screen 0
[   728.234] (EE)
[   728.234] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
 for help.
[   728.234] (EE) Please also check the log file at
"/home/arky/.local/share/xorg/Xorg.0.log" for additional information.
[   728.234] (EE)
[   728.234] (II) AIGLX: Suspending AIGLX clients for VT switch
[   728.255] (EE) Server terminated with error (1). Closing log file.

On Thu, Oct 19, 2017 at 5:32 AM, Greg Wooledge <wooledg@eeg.ccf.org> wrote:
> On Thu, Oct 19, 2017 at 10:06:05AM +0200, Floris wrote:
>> Maybe you can find more information in the log messages. /var/log/Xorg.x.log
>> gives information about the X server. Or try journalctl to read all log
>> messages.
>
> The X log can either be in /var/log/Xorg.*.log or in
> ~/.local/share/xorg/Xorg.*.log depending on how X is started, in which
> version of Debian, on which hardware.
>
> See <https://www.debian.org/releases/stretch/amd64/release-notes/ch-whats-new.en.html#x-no-longer-requires-root>
>


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