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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

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
@alfonsosiciliano alfonsosiciliano changed the title DRM_SYSCTL_PRINT fails without the lock DRM_SYSCTL_PRINT fails and has not the lock Aug 27, 2019
@johalun johalun merged commit ccdc491 into FreeBSDDesktop:drm-v4.16 Aug 27, 2019
johalun pushed a commit that referenced this pull request Aug 27, 2019
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
johalun pushed a commit that referenced this pull request Aug 27, 2019
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
fullermd added a commit to fullermd/kms-drm that referenced this pull request Nov 30, 2019
    DRM_SYSCTL_PRINT fails without the lock (FreeBSDDesktop#170)
evadot pushed a commit to evadot/kms-drm that referenced this pull request May 5, 2020
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
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2 participants