** Description changed: This is what the crash looks like: - BUG: unable to handle page fault for address: 0000000000003448 - RIP: 0010:gen8_emit_flush_render+0x163/0x190 - Call Trace: - execlists_request_alloc+0x25/0x40 - __i915_request_create+0x1f4/0x2c0 - i915_request_create+0x71/0xc0 - i915_gem_do_execbuffer+0xb98/0x1a80 - ? preempt_count_add+0x68/0xa0 - ? _raw_spin_lock+0x13/0x30 - ? _raw_spin_unlock+0x16/0x30 - i915_gem_execbuffer2_ioctl+0x1de/0x3c0 - ? i915_gem_busy_ioctl+0x7f/0x1d0 - ? i915_gem_execbuffer_ioctl+0x2d0/0x2d0 - drm_ioctl_kernel+0xb2/0x100 - drm_ioctl+0x209/0x360 - ? i915_gem_execbuffer_ioctl+0x2d0/0x2d0 - ksys_ioctl+0x87/0xc0 - __x64_sys_ioctl+0x16/0x20 - do_syscall_64+0x4e/0x150 - entry_SYSCALL_64_after_hwframe+0x44/0xa9 + BUG: unable to handle page fault for address: 0000000000003448 + RIP: 0010:gen8_emit_flush_render+0x163/0x190 + Call Trace: + execlists_request_alloc+0x25/0x40 + __i915_request_create+0x1f4/0x2c0 + i915_request_create+0x71/0xc0 + i915_gem_do_execbuffer+0xb98/0x1a80 + ? preempt_count_add+0x68/0xa0 + ? _raw_spin_lock+0x13/0x30 + ? _raw_spin_unlock+0x16/0x30 + i915_gem_execbuffer2_ioctl+0x1de/0x3c0 + ? i915_gem_busy_ioctl+0x7f/0x1d0 + ? i915_gem_execbuffer_ioctl+0x2d0/0x2d0 + drm_ioctl_kernel+0xb2/0x100 + drm_ioctl+0x209/0x360 + ? i915_gem_execbuffer_ioctl+0x2d0/0x2d0 + ksys_ioctl+0x87/0xc0 + __x64_sys_ioctl+0x16/0x20 + do_syscall_64+0x4e/0x150 + entry_SYSCALL_64_after_hwframe+0x44/0xa9 This bug was fixed by "UBUNTU: SAUCE: drm/i915: Synchronize active and retire callbacks" but there is an upstream fix for it, "drm/i915/gt: Make intel_ring_unpin() safe for concurrent pint". Let's replace the sauce patch with the upstream fix. + + More info here: https://gitlab.freedesktop.org/drm/intel/issues/1599
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1877394 Title: Kernel panic due to NULL ringbuffer vaddr dereference in i915 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1877394/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
