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Filed from caserun https://tcms.engineering.redhat.com/run/99313/#caserun_3816179 Version-Release number of selected component (if applicable): Build : RHEL-7.0-20131111.1 xorg-x11-server-Xorg-1.14.99.901-5.20131101.el7.x86_64 xorg-x11-drv-ati-7.2.0-6.20131023gitf1dc677.el7.x86_64 kernel-3.10.0-48.el7.x86_64 Steps to Reproduce: 1. create 3 user accounts 2. log in to GNOME Shell 1. switch user to second one 2. switch user to third one 3. In every session execute command glxinfo | grep render Actual results: Switching will work correctly about 3/5 of the time, 1/5 of the time result in a black screen (with working cursor), and switching to a VT and back lets you try again. the last 1/5th of the time it inevitably hangs. Monitors go to sleep, no SSH, no numlock response. Expected results: no crash should occur, you should be able to switch between X servers by ctrl+alt+FX In none of the outputs of the executed commands shouldn't be shown that the renderer is llvmpipe or any other software renderer
You need linux-kernel-firmware >= 20131106-0.2.git7d0c7a8
This need to be retested but here i can not reproduce with : linux-firmware-20140102-0.2.git52d77db.el7.noarch kernel-3.10.0-89 mesa-dri-drivers-9.2.5 xorg-x11-drv-ati-7.2.0-8.20140113git3213df1 xorg-x11-glamor-0.5.1-4.20140115gitfb4d046c
We believe this is already fixed but moving to 7.1