https://bugs.freedesktop.org/show_bug.cgi?id=72716
--- Comment #7 from [email protected] --- Correct me if I’m wrong, but if I understand the driver code correctly, the SIGBUS is delivered because of the following chain of function calls: ttm_bo_move_buffer(bo, {fpfn = 0x0, lpfn = 0x10000, num_placement = 1, num_busy_placement = 1}, 0, 0) = -12 ttm_bo_validate radeon_bo_fault_reserve_notify (as bdev->driver->fault_reserve_notify ttm_bo_vm_fault (as ttm_vm_ops->fault) radeon_ttm_fault where the return value from ttm_bo_move_buffer (-ENOMEM) is moved up to ttm_bo_vm_fault, which then returns VM_FAULT_SIGBUS. -- You are receiving this mail because: You are the assignee for the bug.
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