[gate-users] GATE looses not needed connection to X11

Christian Wietholt cwietholt at nhri.org.tw
Wed Aug 24 01:51:29 CEST 2005

Dear GATE-Community,

I have run now a couple of times into the following problem. I usually start
GATE in a session of "screen". This way I can log out and somebody else can
use the computer. Or I log in remotely to start a simulation, or to
check on it.
Anyway, each time I start a session from an xterminal, or via a ssh
login with
X11 forwarding enabled I receive below error message. To the extent that I
am aware of, I have no visualization enabled in GATE, but somehow a
to the xserver gets establish. Once I log out and close the xserver this
connection gets lost. According to the below message, this problem
from root. Is there an option in GATE that prevents root from
establishing a
connection to the xserver (which is not needed in the first place?) I
have all
root output flags set to zero as shown in my macro below. As a workaround I
can use a virtual Linux console (no X11) and start screen & GATE from
but this is just a workaround, and sometimes I forget to do so.

Thanks for any help you can provide.



GATE/root error message:

Error in <RootX11IOErrorHandler>: fatal X11 error (connection to server

**** Save data and exit application ****

WARNING - Attempt to delete the physical volume store while geometry
closed !
WARNING - Attempt to delete the logical volume store while geometry closed !
WARNING - Attempt to delete the solid store while geometry closed !
*** glibc detected *** double free or corruption (!prev): 0x0a1655f0 ***

root output options :

/gate/output/root/setRootSinglesAdderFlag 0
/gate/output/root/setRootSinglesBlurringFlag 0
/gate/output/root/setRootSinglesSpblurringFlag 0
/gate/output/root/setRootSinglesThresholderFlag 0
/gate/output/root/setRootSinglesUpholderFlag 0

/gate/output/root/setRootHitFlag 0
/gate/output/root/setRootSinglesFlag 0
/gate/output/root/setRootNtupleFlag 0

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