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...sv_unlock(shmem->base.resv); >> Intel CI reported locking problem [1] here. It actually was also >> reported for v12, but I missed that report because of the other noisy >> reports. >> >> [1] >> https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_114671v2/shard-snb5/igt at prime_vgem@sync at rcs0.html >> >> The test does the following: >> >> 1. creates vgem >> 2. export it do dmabuf >> 3. mmaps dmabuf >> >> There is an obvious deadlock there. The DRM code assumes that mmap() is >> unlocked, while for dma-bu...