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Description of problem: Dell M7710 with switchable graphics : iGPU (i915) and dGPU (amdgpu). After upgrading from a fully updated F24 to F25, X crashes in an endless loop ; the system fails to start GDM and is consequently unusable. This happens with : * Xwayland enabled/disabled * switchable graphics enabled (i915) and disabled (amdgpu). Version-Release number of selected component (if applicable): * xorg-x11-server-Xorg 1.19.0-0.8.rc2.fc25 * mesa-... 12.0.3-3.fc25 Coming from : * xorg-x11-server-Xorg 1.18.4-5.fc24 * mesa-... 12.0.3-2.fc24 How reproducible: Always Additional info: * Without xorg-x11-drv-amdgpu-1.1.2-3.20160929git97d7386c.fc25.x86_64.rpm installed, the following error occurs : (WW) glamor0: Failed to get GLSL version (EE) modeset(0): Failed to initialize glamor at ScreenInit() time. (EE) Fatal server error: (EE) AddScreen/ScreenInit failed for driver 0 * With xorg-x11-drv-amdgpu-1.1.2-3.20160929git97d7386c.fc25.x86_64.rpm installed, the following error occurs : (II) AMDGPU(0): Direct rendering enabled (WW) glamor0: Failed to get GLSL version (EE) AMDGPU(0): Failed to initialize glamor. (EE) AMDGPU(0): Acceleration initialization failed * According to https://people.freedesktop.org/~cbrill/dri-log/?channel=radeon&highlight_names=&date=2016-06-03, this may be due to https://bugs.freedesktop.org/show_bug.cgi?id=96344 (patch included). * As mesa is almost the same version between F24 and F25, is this bug due to the X11 server 1.18.4 -> 1.19 upgrade ?
Downgrading to xorg-x11-server-Xorg-1.18.4-6.fc25.x86_64.rpm does not resolve the issue ; seems like I'm momentarily stuck with an unusable system.
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Didier, did you get anywhere with this ?
//too early hit the send. I'm getting the same error on rawhide (f28). https://bugs.freedesktop.org/show_bug.cgi?id=104206
Andrew, as the bug is more than a year old with no follow-up (this is not a rant towards Adam J.), I simply don't recall what my subsequent actions were at the time. I do know I did disable the iGPU (Intel) a long time ago, which circumvented lots of issues, most probably this one too. (concerning switchable graphics : I filed a bug report too, but if there is no substantial response, I try to circumvent the stuff instead of fruitlessy debugging - due to lack of knowledge - on my own ; I need to get work done. :) )
Fedora 25 changed to end-of-life (EOL) status on 2017-12-12. Fedora 25 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.
(In reply to Didier from comment #5) > (concerning switchable graphics : I filed a bug report too, but if there is Andrew, FYI : bug#1391045