Yes, the bug still exists. Attaching trace: Aug 20 13:36:55 naamaG kernel: ------------[ cut here ]------------ Aug 20 13:36:55 naamaG kernel: pipe state doesn't match! Aug 20 13:36:55 naamaG kernel: WARNING: CPU: 4 PID: 22386 at /build/linux-wuhukg/linux-4.15.0/drivers/gpu/drm/i915/intel_display.c:11601 intel_atomic_commit_tail+0xc8e/0xd30 [i915] Aug 20 13:36:55 naamaG kernel: Modules linked in: sctp ccm rfcomm veth cmac xt_nat xt_tcpudp ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv Aug 20 13:36:55 naamaG kernel: snd_hda_core btbcm videobuf2_v4l2 snd_hwdep serio_raw btintel snd_seq videobuf2_core bluetooth rtsx_pci_ms thinkpad_acpi joydev videodev cfg80211 nvram media mei_me input_leds snd_pcm memstick ecdh_generic Aug 20 13:36:55 naamaG kernel: CPU: 4 PID: 22386 Comm: Xorg Tainted: P O 4.15.0-32-generic #35-Ubuntu Aug 20 13:36:55 naamaG kernel: Hardware name: LENOVO 20J60018IV/20J60018IV, BIOS R0FET34W (1.14 ) 06/30/2017 Aug 20 13:36:55 naamaG kernel: RIP: 0010:intel_atomic_commit_tail+0xc8e/0xd30 [i915] Aug 20 13:36:55 naamaG kernel: RSP: 0018:ffffb7fe42867b58 EFLAGS: 00010286 Aug 20 13:36:55 naamaG kernel: RAX: 0000000000000000 RBX: ffff9c5930498000 RCX: 0000000000000006 Aug 20 13:36:55 naamaG kernel: RDX: 0000000000000007 RSI: 0000000000000092 RDI: ffff9c5952516490 Aug 20 13:36:55 naamaG kernel: RBP: ffffb7fe42867be0 R08: 0000000000000001 R09: 0000000000000bc3 Aug 20 13:36:55 naamaG kernel: R10: ffff9c593f9e9c00 R11: 0000000000000000 R12: ffff9c55843b2000 Aug 20 13:36:55 naamaG kernel: R13: ffff9c593fefb800 R14: ffff9c586afe6800 R15: ffff9c5930498338 Aug 20 13:36:55 naamaG kernel: FS: 00007f690f3d4600(0000) GS:ffff9c5952500000(0000) knlGS:0000000000000000 Aug 20 13:36:55 naamaG kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Aug 20 13:36:55 naamaG kernel: CR2: 000039380b83e000 CR3: 00000003fef38005 CR4: 00000000003606e0 Aug 20 13:36:55 naamaG kernel: Call Trace: Aug 20 13:36:55 naamaG kernel: intel_atomic_commit+0x277/0x2b0 [i915] Aug 20 13:36:55 naamaG kernel: drm_atomic_commit+0x51/0x60 [drm] Aug 20 13:36:55 naamaG kernel: drm_atomic_connector_commit_dpms+0xef/0x100 [drm] Aug 20 13:36:55 naamaG kernel: drm_mode_obj_set_property_ioctl+0x176/0x280 [drm] Aug 20 13:36:55 naamaG kernel: ? drm_mode_connector_set_obj_prop+0x80/0x80 [drm] Aug 20 13:36:55 naamaG kernel: drm_mode_connector_property_set_ioctl+0x3f/0x60 [drm] Aug 20 13:36:55 naamaG kernel: drm_ioctl_kernel+0x5f/0xb0 [drm] Aug 20 13:36:55 naamaG kernel: drm_ioctl+0x31b/0x3d0 [drm] Aug 20 13:36:55 naamaG kernel: ? drm_mode_connector_set_obj_prop+0x80/0x80 [drm] Aug 20 13:36:55 naamaG kernel: ? snprintf+0x45/0x70 Aug 20 13:36:55 naamaG kernel: ? _cond_resched+0x19/0x40 Aug 20 13:36:55 naamaG kernel: do_vfs_ioctl+0xa8/0x630 Aug 20 13:36:55 naamaG kernel: ? vfs_read+0x115/0x130 Aug 20 13:36:55 naamaG kernel: SyS_ioctl+0x79/0x90 Aug 20 13:36:55 naamaG kernel: do_syscall_64+0x73/0x130 Aug 20 13:36:55 naamaG kernel: entry_SYSCALL_64_after_hwframe+0x3d/0xa2 Aug 20 13:36:55 naamaG kernel: RIP: 0033:0x7f690c7df5d7 Aug 20 13:36:55 naamaG kernel: RSP: 002b:00007ffcb4f8ecb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 Aug 20 13:36:55 naamaG kernel: RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f690c7df5d7 Aug 20 13:36:55 naamaG kernel: RDX: 00007ffcb4f8ecf0 RSI: 00000000c01064ab RDI: 000000000000001c Aug 20 13:36:55 naamaG kernel: RBP: 00007ffcb4f8ecf0 R08: 000055fdc5f2eda0 R09: 0000000000000000 Aug 20 13:36:55 naamaG kernel: R10: 00007f690c867cc0 R11: 0000000000000246 R12: 00000000c01064ab Aug 20 13:36:55 naamaG kernel: R13: 000000000000001c R14: 000055fdc376b9a8 R15: 000055fdc375ae54 Aug 20 13:36:55 naamaG kernel: Code: f8 ff ff 48 c7 c7 70 1c 51 c0 e8 6e 3f c2 cb 0f 0b 0f b6 4d 98 44 0f b6 45 a8 e9 18 fd ff ff 48 c7 c7 41 d3 4f c0 e8 52 3f c2 cb <0f> 0b e9 4f f9 ff ff 44 89 c2 89 ce 48 c7 c7 58 1d 51 c0 e8 3a Aug 20 13:36:55 naamaG kernel: ---[ end trace c33570514e49213f ]---
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