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535e9b1dd7
Wrong acquire/release sequence. DEBUG_LOCKS_WARN_ON(rt_mutex_owner(lock) != current) .... CPU: 4 PID: 5404 Comm: cyclictest.sh Not tainted 4.9.201-rt134-tegra #1 Hardware name: Jetson-AGX (DT) .... Call trace: [<ffffff800810e4f8>] debug_rt_mutex_unlock+0x58/0x68 [<ffffff8008f34d0c>] rt_mutex_unlock+0x4c/0xb0 [<ffffff8008f36ea8>] _mutex_unlock+0x20/0x2c [<ffffff8000f69d80>] nvgpu_cg_elcg_set_elcg_enabled+0x78/0xf0 [nvgpu] [<ffffff8000f7bd44>] nvgpu_intr_nonstall_cb+0x21bc/0x22f0 [nvgpu] [<ffffff800875b304>] dev_attr_store+0x44/0x60 [<ffffff80082dca44>] sysfs_kf_write+0x5c/0x78 [<ffffff80082dbd28>] kernfs_fop_write+0xc0/0x1d8 [<ffffff8008245b60>] __vfs_write+0x48/0x128 [<ffffff8008246b3c>] vfs_write+0xac/0x1b8 [<ffffff800824808c>] SyS_write+0x5c/0xc8 Bug 3227296 Suggested-by: Bibek Basu <bbasu@nvidia.com> Signed-off-by: Sumit Gupta <sumitg@nvidia.com> Change-Id: I932a23700539422c07de045dde516c52dd8348cf Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2472903 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: Sagar Kamble <skamble@nvidia.com> Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: Bibek Basu <bbasu@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit