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FreeBSDDesktop / kms-drm

the DRM part of the linuxkpi-based KMS
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DRM_SYSCTL_PRINT fails and has not the lock #170

Closed alfonsosiciliano closed 5 years ago

alfonsosiciliano commented 5 years ago

fix 'mutex_unlock() system panic' when DRM_SYSCTL_PRINT fails and has not the lock, reproduced by:

% sysctl -B 1 hw.dri.0.vblank % sysctl -B 1 hw.dri % sysctl -B 1 -a