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Old 04-09-12, 08:51 PM   #3
uOpt
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Join Date: Nov 2004
Location: Boston, MA, USA
Posts: 609
Default Re: Interesting observation with nvidia-settings and stderr redirection

It happens on several systems that have nothing in common except for having NVidia video cards. This looks purely like a userland issue with nvidia-settings or libraries it links to.

It happens every time and can be reproduced just by copy'n'pasting the two commands. I edited them for you for easier cut'n'paste since I use $DISPLAY=:8.x.

Code:
#works:
 DISPLAY=:0.0 nvidia-settings -q all |  egrep "Attribute '(ThermalSensorReading|GPUCurrentFanSpeed)'" 
# redirection breaks it, number is missing:
DISPLAY=:0.0 nvidia-settings -q all 2>&1 |  egrep "Attribute '(ThermalSensorReading|GPUCurrentFanSpeed)'"
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