[Bug 103474] Hard lock when unplugging and reconnecting external USB-C DP display

Thu Oct 26 22:36:22 UTC 2017

https://bugs.freedesktop.org/show_bug.cgi?id=103474

--- Comment #3 from Daniel Playfair Cal <daniel.playfair.cal at gmail.com> ---
Created attachment 135094
  --> https://bugs.freedesktop.org/attachment.cgi?id=135094&action=edit
System log including disconnecting and reconnecting the display and waiting for
automatic reboot

This is another log having disabled my non default i915 module options,
including waiting for the automatic reboot after the hard lock. There are some
different error messages and a stacktrace. The reboot that crashed in the BIOS
did not generate any logs.

Highlights:
Oct 27 09:20:36 danielpc-arch kernel: i915 0000:00:02.0: HDMI-A-1: EDID is
invalid:
Oct 27 09:20:36 danielpc-arch kernel:         [00] ZERO 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Oct 27 09:20:36 danielpc-arch kernel:         [00] ZERO 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Oct 27 09:20:36 danielpc-arch kernel:         [00] ZERO 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Oct 27 09:20:36 danielpc-arch kernel:         [00] ZERO 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Oct 27 09:20:36 danielpc-arch kernel:         [00] ZERO 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Oct 27 09:20:36 danielpc-arch kernel:         [00] ZERO 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Oct 27 09:20:36 danielpc-arch kernel:         [00] ZERO 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Oct 27 09:20:36 danielpc-arch kernel:         [00] ZERO 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00

Oct 27 09:21:30 danielpc-arch kernel: [drm:intel_mst_enable_dp [i915]] *ERROR*
Timed out waiting for ACT sent
Oct 27 09:21:30 danielpc-arch kernel: pipe C vblank wait timed out
Oct 27 09:21:30 danielpc-arch kernel: ------------[ cut here ]------------
Oct 27 09:21:30 danielpc-arch kernel: WARNING: CPU: 1 PID: 1156 at
drivers/gpu/drm/i915/intel_display.c:12848 intel_atomic_commit_tail+0xf6f/0xf80
[i915]
Oct 27 09:21:30 danielpc-arch kernel: Modules linked in: fuse ccm rfcomm
hid_generic usbhid uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2
videobuf2_core videodev media btusb btrtl snd_hda_codec_hdmi
Oct 27 09:21:30 danielpc-arch kernel:  idma64 i2c_algo_bit drm_kms_helper
rtsx_pci_ms cfg80211 memstick drm mei_me intel_gtt mei agpgart hci_uart
syscopyarea sysfillrect intel_lpss_pci i2c_hid intel_pch_thermal 
Oct 27 09:21:30 danielpc-arch kernel:  i8042 serio
Oct 27 09:21:30 danielpc-arch kernel: CPU: 1 PID: 1156 Comm: gnome-shell
Tainted: G           O    4.13.8-1-ARCH #1
Oct 27 09:21:30 danielpc-arch kernel: Hardware name: Dell Inc. XPS 15
9560/05FFDN, BIOS 1.4.0 08/23/2017
Oct 27 09:21:30 danielpc-arch kernel: task: ffff95bc6aa16c80 task.stack:
ffffb453c19ac000
Oct 27 09:21:30 danielpc-arch kernel: RIP:
0010:intel_atomic_commit_tail+0xf6f/0xf80 [i915]
Oct 27 09:21:30 danielpc-arch kernel: RSP: 0018:ffffb453c19afa90 EFLAGS:
00010286
Oct 27 09:21:30 danielpc-arch kernel: RAX: 000000000000001c RBX:
0000000000000002 RCX: 0000000000000000
Oct 27 09:21:30 danielpc-arch kernel: RDX: 0000000000000000 RSI:
ffff95bc7f44dc78 RDI: ffff95bc7f44dc78
Oct 27 09:21:30 danielpc-arch kernel: RBP: ffffb453c19afb48 R08:
000000000000048e R09: 0000000000000004
Oct 27 09:21:30 danielpc-arch kernel: R10: ffffb453c19afa90 R11:
0000000000000001 R12: 000000000000735a
Oct 27 09:21:30 danielpc-arch kernel: R13: ffff95bc5d498000 R14:
ffff95bc5ed08000 R15: 0000000000000004
Oct 27 09:21:30 danielpc-arch kernel: FS:  00007fb0304e8240(0000)
GS:ffff95bc7f440000(0000) knlGS:0000000000000000
Oct 27 09:21:30 danielpc-arch kernel: CS:  0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Oct 27 09:21:30 danielpc-arch kernel: CR2: 00007f199492a000 CR3:
0000000434961000 CR4: 00000000003406e0
Oct 27 09:21:30 danielpc-arch kernel: Call Trace:
Oct 27 09:21:30 danielpc-arch kernel:  ? finish_task_switch+0x75/0x200
Oct 27 09:21:30 danielpc-arch kernel:  ? wait_woken+0x80/0x80
Oct 27 09:21:30 danielpc-arch kernel:  intel_atomic_commit+0x3c7/0x470 [i915]
Oct 27 09:21:30 danielpc-arch kernel:  ? drm_atomic_check_only+0x37b/0x540
[drm]
Oct 27 09:21:30 danielpc-arch kernel:  ? wait_woken+0x80/0x80
Oct 27 09:21:30 danielpc-arch kernel:  drm_atomic_commit+0x4b/0x50 [drm]
Oct 27 09:21:30 danielpc-arch kernel:  drm_atomic_helper_set_config+0x68/0x90
[drm_kms_helper]
Oct 27 09:21:30 danielpc-arch kernel: 
__drm_mode_set_config_internal+0x65/0x110 [drm]
Oct 27 09:21:30 danielpc-arch kernel:  drm_mode_setcrtc+0x479/0x630 [drm]
Oct 27 09:21:30 danielpc-arch kernel:  ? drm_mode_getcrtc+0x180/0x180 [drm]
Oct 27 09:21:30 danielpc-arch kernel:  drm_ioctl_kernel+0x5d/0xb0 [drm]
Oct 27 09:21:30 danielpc-arch kernel:  drm_ioctl+0x31b/0x3d0 [drm]
Oct 27 09:21:30 danielpc-arch kernel:  ? drm_mode_getcrtc+0x180/0x180 [drm]
Oct 27 09:21:30 danielpc-arch kernel:  do_vfs_ioctl+0xa5/0x600
Oct 27 09:21:30 danielpc-arch kernel:  ? __fget+0x6e/0x90
Oct 27 09:21:30 danielpc-arch kernel:  SyS_ioctl+0x79/0x90
Oct 27 09:21:30 danielpc-arch kernel:  entry_SYSCALL_64_fastpath+0x1a/0xa5
Oct 27 09:21:30 danielpc-arch kernel: RIP: 0033:0x7fb02fe56157
Oct 27 09:21:30 danielpc-arch kernel: RSP: 002b:00007ffe7452e148 EFLAGS:
00000246 ORIG_RAX: 0000000000000010
Oct 27 09:21:30 danielpc-arch kernel: RAX: ffffffffffffffda RBX:
000055ab797a0810 RCX: 00007fb02fe56157
Oct 27 09:21:30 danielpc-arch kernel: RDX: 00007ffe7452e180 RSI:
00000000c06864a2 RDI: 0000000000000008
Oct 27 09:21:30 danielpc-arch kernel: RBP: 000055ab797a0810 R08:
0000000000000000 R09: 000055ab7c7dffc0
Oct 27 09:21:30 danielpc-arch kernel: R10: 000055ab7c5f7140 R11:
0000000000000246 R12: 0000000000000001
Oct 27 09:21:30 danielpc-arch kernel: R13: 00007ffe7452e050 R14:
00007ffe7452dfd0 R15: 000055ab79821c00
Oct 27 09:21:30 danielpc-arch kernel: Code: ff ff ff 48 83 c7 08 e8 20 14 58 eb
4c 8b 85 70 ff ff ff 4d 85 c0 0f 85 7b fa ff ff 8d 73 41 48 c7 c7 e8 ec c0 c0
e8 82 ca 59 eb <0f> ff e9 65 fa ff ff 66 2e 0f 1f 84 
Oct 27 09:21:30 danielpc-arch kernel: ---[ end trace 66a7709b20598e23 ]---
Oct 27 09:21:40 danielpc-arch kernel:
[drm:drm_atomic_helper_commit_cleanup_done [drm_kms_helper]] *ERROR*
[CRTC:46:pipe C] flip_done timed out

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