Public bug reported:
When I boot a Dell Inspiron 7559 with an external monitor connected to
the hdmi port I get a crash on bootup. I can see the following stack
trace in journalctl:
Apr 30 16:52:19 exposure systemd[1]: Started Show Plymouth Boot Screen.
Apr 30 16:52:19 exposure systemd[1]: Reached target Local Encrypted Volumes.
Apr 30 16:52:19 exposure systemd[1]: Started Forward Password Requests to
Plymouth Directory Watch.
Apr 30 16:52:19 exposure kernel: ------------[ cut here ]------------
Apr 30 16:52:19 exposure kernel: Missing switch case (6) in
intel_prepare_dp_ddi_buffers
Apr 30 16:52:19 exposure kernel: WARNING: CPU: 4 PID: 381 at
/build/linux-5s7Xkn/linux-4.15.0/drivers/gpu/drm/i915/intel_ddi.c:836
intel_prepare_dp_ddi_buffers+0x60/0x1f0 [i915]
Apr 30 16:52:19 exposure kernel: Modules linked in: snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic dell_laptop dell_smbios_smm dcdbas
arc4 snd_hda_intel dell_smm_hwmon snd_hda_codec intel_rapl x86_pkg_temp_thermal
intel_powerclamp coretemp snd_hda_core kvm_intel snd
Apr 30 16:52:19 exposure kernel: idma64 videobuf2_core virt_dma ecdh_generic
cfg80211 videodev media mei_me intel_lpss_pci processor_thermal_device mei
intel_soc_dts_iosf intel_lpss shpchp intel_pch_thermal int3403_thermal
int340x_thermal_zone int3400_thermal acpi_pad tpm_crb acpi
Apr 30 16:52:19 exposure kernel: CPU: 4 PID: 381 Comm: plymouthd Not tainted
4.15.0-20-generic #21-Ubuntu
Apr 30 16:52:19 exposure kernel: Hardware name: Dell Inc. Inspiron 7559/0H0CC0,
BIOS 1.2.5 09/26/2017
Apr 30 16:52:19 exposure kernel: RIP:
0010:intel_prepare_dp_ddi_buffers+0x60/0x1f0 [i915]
Apr 30 16:52:19 exposure kernel: RSP: 0018:ffffae9f424af8b0 EFLAGS: 00010286
Apr 30 16:52:19 exposure kernel: RAX: 0000000000000000 RBX: ffff9fa4e45d2000
RCX: 0000000000000006
Apr 30 16:52:19 exposure kernel: RDX: 0000000000000007 RSI: 0000000000000082
RDI: ffff9fa501d16490
Apr 30 16:52:19 exposure kernel: RBP: ffffae9f424af8f0 R08: 0000000000000001
R09: 00000000000003da
Apr 30 16:52:19 exposure kernel: R10: 00000000f000003f R11: 0000000000000000
R12: ffff9fa4e35d0000
Apr 30 16:52:19 exposure kernel: R13: 0000000000000001 R14: ffff9fa4e35d0000
R15: ffff9fa4e45d2000
Apr 30 16:52:19 exposure kernel: FS: 00007fa371fd2740(0000)
GS:ffff9fa501d00000(0000) knlGS:0000000000000000
Apr 30 16:52:19 exposure kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Apr 30 16:52:19 exposure kernel: CR2: 0000560f2bff19a8 CR3: 000000046bd66005
CR4: 00000000003606e0
Apr 30 16:52:19 exposure kernel: DR0: 0000000000000000 DR1: 0000000000000000
DR2: 0000000000000000
Apr 30 16:52:19 exposure kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0
DR7: 0000000000000400
Apr 30 16:52:19 exposure kernel: Call Trace:
Apr 30 16:52:19 exposure kernel: intel_ddi_pre_enable+0x194/0x7d0 [i915]
Apr 30 16:52:19 exposure kernel: ? fwtable_write32+0xf7/0x240 [i915]
Apr 30 16:52:19 exposure kernel: intel_encoders_pre_enable.isra.97+0x66/0x80
[i915]
Apr 30 16:52:19 exposure kernel: haswell_crtc_enable+0x173/0x7c0 [i915]
Apr 30 16:52:19 exposure kernel: intel_update_crtc+0x3e/0x90 [i915]
Apr 30 16:52:19 exposure kernel: skl_update_crtcs+0x1ad/0x270 [i915]
Apr 30 16:52:19 exposure kernel: intel_atomic_commit_tail+0x228/0xd30 [i915]
Apr 30 16:52:19 exposure kernel: intel_atomic_commit+0x277/0x2b0 [i915]
Apr 30 16:52:19 exposure kernel: drm_atomic_commit+0x51/0x60 [drm]
Apr 30 16:52:19 exposure kernel: drm_atomic_helper_set_config+0x7c/0x90
[drm_kms_helper]
Apr 30 16:52:19 exposure kernel: __drm_mode_set_config_internal+0x6b/0x120
[drm]
Apr 30 16:52:19 exposure kernel: drm_mode_setcrtc+0x47f/0x660 [drm]
Apr 30 16:52:19 exposure kernel: ? ww_mutex_unlock+0x26/0x30
Apr 30 16:52:19 exposure kernel: ? drm_mode_getcrtc+0x190/0x190 [drm]
Apr 30 16:52:19 exposure kernel: drm_ioctl_kernel+0x5f/0xb0 [drm]
Apr 30 16:52:19 exposure kernel: drm_ioctl+0x31b/0x3d0 [drm]
Apr 30 16:52:19 exposure kernel: ? drm_mode_getcrtc+0x190/0x190 [drm]
Apr 30 16:52:19 exposure kernel: do_vfs_ioctl+0xa8/0x630
Apr 30 16:52:19 exposure kernel: SyS_ioctl+0x79/0x90
Apr 30 16:52:19 exposure kernel: do_syscall_64+0x73/0x130
Apr 30 16:52:19 exposure kernel: entry_SYSCALL_64_after_hwframe+0x3d/0xa2
Apr 30 16:52:19 exposure kernel: RIP: 0033:0x7fa3716bf5d7
Apr 30 16:52:19 exposure kernel: RSP: 002b:00007fff572631e8 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
Apr 30 16:52:19 exposure kernel: RAX: ffffffffffffffda RBX: 00007fff57263220
RCX: 00007fa3716bf5d7
Apr 30 16:52:19 exposure kernel: RDX: 00007fff57263220 RSI: 00000000c06864a2
RDI: 0000000000000009
Apr 30 16:52:19 exposure kernel: RBP: 00007fff57263220 R08: 0000000000000000
R09: 0000565461811d50
Apr 30 16:52:19 exposure kernel: R10: 0000565461810380 R11: 0000000000000246
R12: 00000000c06864a2
Apr 30 16:52:19 exposure kernel: R13: 0000000000000009 R14: 0000000000000001
R15: 0000565461810380
Apr 30 16:52:19 exposure kernel: Code: c5 83 fe 07 0f 84 66 01 00 00 83 fe 08
0f 84 a4 00 00 00 83 fe 01 74 37 48 c7 c2 e0 b9 5f c0 48 c7 c7 08 32 62 c0 e8
40 3a af c2 <0f> 0b 48 8b 45 d0 65 48 33 04 25 28 00 00 00 0f 85 67 01 00 00
Apr 30 16:52:19 exposure kernel: ---[ end trace 007cbdd3be015b35 ]---
Apr 30 16:52:19 exposure kernel: ------------[ cut here ]------------
Apr 30 16:52:19 exposure kernel: unknown DP link rate 241500, using 6
Apr 30 16:52:19 exposure kernel: WARNING: CPU: 4 PID: 381 at
/build/linux-5s7Xkn/linux-4.15.0/drivers/gpu/drm/drm_dp_helper.c:142
drm_dp_link_rate_to_bw_code+0x4a/0x60 [drm_kms_helper]
Apr 30 16:52:19 exposure kernel: Modules linked in: snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic dell_laptop dell_smbios_smm dcdbas
arc4 snd_hda_intel dell_smm_hwmon snd_hda_codec intel_rapl x86_pkg_temp_thermal
intel_powerclamp coretemp snd_hda_core kvm_intel snd
Apr 30 16:52:19 exposure kernel: idma64 videobuf2_core virt_dma ecdh_generic
cfg80211 videodev media mei_me intel_lpss_pci processor_thermal_device mei
intel_soc_dts_iosf intel_lpss shpchp intel_pch_thermal int3403_thermal
int340x_thermal_zone int3400_thermal acpi_pad tpm_crb acpi
Apr 30 16:52:19 exposure kernel: CPU: 4 PID: 381 Comm: plymouthd Tainted: G
W 4.15.0-20-generic #21-Ubuntu
Apr 30 16:52:19 exposure kernel: Hardware name: Dell Inc. Inspiron 7559/0H0CC0,
BIOS 1.2.5 09/26/2017
Apr 30 16:52:19 exposure kernel: RIP:
0010:drm_dp_link_rate_to_bw_code+0x4a/0x60 [drm_kms_helper]
Apr 30 16:52:19 exposure kernel: RSP: 0018:ffffae9f424af860 EFLAGS: 00010282
Apr 30 16:52:19 exposure kernel: RAX: 0000000000000000 RBX: ffffae9f424af8b7
RCX: 0000000000000006
Apr 30 16:52:19 exposure kernel: RDX: 0000000000000007 RSI: 0000000000000082
RDI: ffff9fa501d16490
Apr 30 16:52:19 exposure kernel: RBP: ffffae9f424af868 R08: 0000000000000001
R09: 000000000000040c
Apr 30 16:52:19 exposure kernel: R10: 00000000f000003f R11: 0000000000000000
R12: ffffae9f424af8b6
Apr 30 16:52:19 exposure kernel: R13: ffff9fa4e45d2100 R14: ffff9fa4e35d0000
R15: ffff9fa4e45d2000
Apr 30 16:52:19 exposure kernel: FS: 00007fa371fd2740(0000)
GS:ffff9fa501d00000(0000) knlGS:0000000000000000
Apr 30 16:52:19 exposure kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Apr 30 16:52:19 exposure kernel: CR2: 0000560f2bff19a8 CR3: 000000046bd66005
CR4: 00000000003606e0
Apr 30 16:52:19 exposure kernel: DR0: 0000000000000000 DR1: 0000000000000000
DR2: 0000000000000000
Apr 30 16:52:19 exposure kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0
DR7: 0000000000000400
Apr 30 16:52:19 exposure kernel: Call Trace:
Apr 30 16:52:19 exposure kernel: intel_dp_compute_rate+0x22/0x40 [i915]
Apr 30 16:52:19 exposure kernel: intel_dp_start_link_train+0x57/0x580 [i915]
Apr 30 16:52:19 exposure kernel: intel_ddi_pre_enable+0x1f4/0x7d0 [i915]
Apr 30 16:52:19 exposure kernel: ? fwtable_write32+0xf7/0x240 [i915]
Apr 30 16:52:19 exposure kernel: intel_encoders_pre_enable.isra.97+0x66/0x80
[i915]
Apr 30 16:52:19 exposure kernel: haswell_crtc_enable+0x173/0x7c0 [i915]
Apr 30 16:52:19 exposure kernel: intel_update_crtc+0x3e/0x90 [i915]
Apr 30 16:52:19 exposure kernel: skl_update_crtcs+0x1ad/0x270 [i915]
Apr 30 16:52:19 exposure kernel: intel_atomic_commit_tail+0x228/0xd30 [i915]
Apr 30 16:52:19 exposure kernel: intel_atomic_commit+0x277/0x2b0 [i915]
Apr 30 16:52:19 exposure kernel: drm_atomic_commit+0x51/0x60 [drm]
Apr 30 16:52:19 exposure kernel: drm_atomic_helper_set_config+0x7c/0x90
[drm_kms_helper]
Apr 30 16:52:19 exposure kernel: __drm_mode_set_config_internal+0x6b/0x120
[drm]
Apr 30 16:52:19 exposure kernel: drm_mode_setcrtc+0x47f/0x660 [drm]
Apr 30 16:52:19 exposure kernel: ? ww_mutex_unlock+0x26/0x30
Apr 30 16:52:19 exposure kernel: ? drm_mode_getcrtc+0x190/0x190 [drm]
Apr 30 16:52:19 exposure kernel: drm_ioctl_kernel+0x5f/0xb0 [drm]
Apr 30 16:52:19 exposure kernel: drm_ioctl+0x31b/0x3d0 [drm]
Apr 30 16:52:19 exposure kernel: ? drm_mode_getcrtc+0x190/0x190 [drm]
Apr 30 16:52:19 exposure kernel: do_vfs_ioctl+0xa8/0x630
Apr 30 16:52:19 exposure kernel: SyS_ioctl+0x79/0x90
Apr 30 16:52:19 exposure kernel: do_syscall_64+0x73/0x130
Apr 30 16:52:19 exposure kernel: entry_SYSCALL_64_after_hwframe+0x3d/0xa2
Apr 30 16:52:19 exposure kernel: RIP: 0033:0x7fa3716bf5d7
Apr 30 16:52:19 exposure kernel: RSP: 002b:00007fff572631e8 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
Apr 30 16:52:19 exposure kernel: RAX: ffffffffffffffda RBX: 00007fff57263220
RCX: 00007fa3716bf5d7
Apr 30 16:52:19 exposure kernel: RDX: 00007fff57263220 RSI: 00000000c06864a2
RDI: 0000000000000009
Apr 30 16:52:19 exposure kernel: RBP: 00007fff57263220 R08: 0000000000000000
R09: 0000565461811d50
Apr 30 16:52:19 exposure kernel: R10: 0000565461810380 R11: 0000000000000246
R12: 00000000c06864a2
Apr 30 16:52:19 exposure kernel: R13: 0000000000000009 R14: 0000000000000001
R15: 0000565461810380
Apr 30 16:52:19 exposure kernel: Code: 81 ff d0 78 02 00 b8 06 00 00 00 74 26
55 89 fe ba 06 00 00 00 48 c7 c7 e0 0c 47 c0 48 89 e5 48 83 ec 08 88 45 ff e8
66 e7 c2 c2 <0f> 0b 0f b6 45 ff c9 c3 f3 c3 66 90 66 2e 0f 1f 84 00 00 00 00
Apr 30 16:52:19 exposure kernel: ---[ end trace 007cbdd3be015b36 ]---
Apr 30 16:52:19 exposure kernel: BUG: unable to handle kernel NULL pointer
dereference at 0000000000000000
Apr 30 16:52:19 exposure kernel: IP: (null)
Apr 30 16:52:19 exposure kernel: PGD 0 P4D 0
Apr 30 16:52:19 exposure kernel: Oops: 0010 [#1] SMP PTI
Apr 30 16:52:19 exposure kernel: Modules linked in: snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic dell_laptop dell_smbios_smm dcdbas
arc4 snd_hda_intel dell_smm_hwmon snd_hda_codec intel_rapl x86_pkg_temp_thermal
intel_powerclamp coretemp snd_hda_core kvm_intel snd
Apr 30 16:52:19 exposure kernel: idma64 videobuf2_core virt_dma ecdh_generic
cfg80211 videodev media mei_me intel_lpss_pci processor_thermal_device mei
intel_soc_dts_iosf intel_lpss shpchp intel_pch_thermal int3403_thermal
int340x_thermal_zone int3400_thermal acpi_pad tpm_crb acpi
Apr 30 16:52:19 exposure kernel: CPU: 4 PID: 381 Comm: plymouthd Tainted: G
W 4.15.0-20-generic #21-Ubuntu
Apr 30 16:52:19 exposure kernel: Hardware name: Dell Inc. Inspiron 7559/0H0CC0,
BIOS 1.2.5 09/26/2017
Apr 30 16:52:19 exposure kernel: RIP: 0010: (null)
Apr 30 16:52:19 exposure kernel: RSP: 0018:ffffae9f424af818 EFLAGS: 00010246
Apr 30 16:52:19 exposure kernel: RAX: 0000000000000000 RBX: 0000000000000020
RCX: ffffae9f424af8b8
Apr 30 16:52:19 exposure kernel: RDX: ffff9fa4e7a2de00 RSI: ffffae9f424af830
RDI: ffff9fa4e45d21c8
Apr 30 16:52:19 exposure kernel: RBP: ffffae9f424af878 R08: 0000000000000002
R09: 000000000000040c
Apr 30 16:52:19 exposure kernel: R10: 00000000f000003f R11: 0000000000000000
R12: 0000000000000002
Apr 30 16:52:19 exposure kernel: R13: 00000000fffffffb R14: ffff9fa4e45d21c8
R15: 0000000000000000
Apr 30 16:52:19 exposure kernel: FS: 00007fa371fd2740(0000)
GS:ffff9fa501d00000(0000) knlGS:0000000000000000
Apr 30 16:52:19 exposure kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Apr 30 16:52:19 exposure kernel: CR2: 0000000000000000 CR3: 000000046bd66005
CR4: 00000000003606e0
Apr 30 16:52:19 exposure kernel: DR0: 0000000000000000 DR1: 0000000000000000
DR2: 0000000000000000
Apr 30 16:52:19 exposure kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0
DR7: 0000000000000400
Apr 30 16:52:19 exposure kernel: Call Trace:
Apr 30 16:52:19 exposure kernel: ? drm_dp_dpcd_access+0x75/0x120
[drm_kms_helper]
Apr 30 16:52:19 exposure kernel: drm_dp_dpcd_write+0x1b/0x20 [drm_kms_helper]
Apr 30 16:52:19 exposure kernel: intel_dp_start_link_train+0x92/0x580 [i915]
Apr 30 16:52:19 exposure kernel: intel_ddi_pre_enable+0x1f4/0x7d0 [i915]
Apr 30 16:52:19 exposure kernel: ? fwtable_write32+0xf7/0x240 [i915]
Apr 30 16:52:19 exposure kernel: intel_encoders_pre_enable.isra.97+0x66/0x80
[i915]
Apr 30 16:52:19 exposure kernel: haswell_crtc_enable+0x173/0x7c0 [i915]
Apr 30 16:52:19 exposure kernel: intel_update_crtc+0x3e/0x90 [i915]
Apr 30 16:52:19 exposure kernel: skl_update_crtcs+0x1ad/0x270 [i915]
Apr 30 16:52:19 exposure kernel: intel_atomic_commit_tail+0x228/0xd30 [i915]
Apr 30 16:52:19 exposure kernel: intel_atomic_commit+0x277/0x2b0 [i915]
Apr 30 16:52:19 exposure kernel: drm_atomic_commit+0x51/0x60 [drm]
Apr 30 16:52:19 exposure kernel: drm_atomic_helper_set_config+0x7c/0x90
[drm_kms_helper]
Apr 30 16:52:19 exposure kernel: __drm_mode_set_config_internal+0x6b/0x120
[drm]
Apr 30 16:52:19 exposure kernel: drm_mode_setcrtc+0x47f/0x660 [drm]
Apr 30 16:52:19 exposure kernel: ? ww_mutex_unlock+0x26/0x30
Apr 30 16:52:19 exposure kernel: ? drm_mode_getcrtc+0x190/0x190 [drm]
Apr 30 16:52:19 exposure kernel: drm_ioctl_kernel+0x5f/0xb0 [drm]
Apr 30 16:52:19 exposure kernel: drm_ioctl+0x31b/0x3d0 [drm]
Apr 30 16:52:19 exposure kernel: ? drm_mode_getcrtc+0x190/0x190 [drm]
Apr 30 16:52:19 exposure kernel: do_vfs_ioctl+0xa8/0x630
Apr 30 16:52:19 exposure kernel: SyS_ioctl+0x79/0x90
Apr 30 16:52:19 exposure kernel: do_syscall_64+0x73/0x130
Apr 30 16:52:19 exposure kernel: entry_SYSCALL_64_after_hwframe+0x3d/0xa2
Apr 30 16:52:19 exposure kernel: RIP: 0033:0x7fa3716bf5d7
Apr 30 16:52:19 exposure kernel: RSP: 002b:00007fff572631e8 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
Apr 30 16:52:19 exposure kernel: RAX: ffffffffffffffda RBX: 00007fff57263220
RCX: 00007fa3716bf5d7
Apr 30 16:52:19 exposure kernel: RDX: 00007fff57263220 RSI: 00000000c06864a2
RDI: 0000000000000009
Apr 30 16:52:19 exposure kernel: RBP: 00007fff57263220 R08: 0000000000000000
R09: 0000565461811d50
Apr 30 16:52:19 exposure kernel: R10: 0000565461810380 R11: 0000000000000246
R12: 00000000c06864a2
Apr 30 16:52:19 exposure kernel: R13: 0000000000000009 R14: 0000000000000001
R15: 0000565461810380
Apr 30 16:52:19 exposure kernel: Code: Bad RIP value.
Apr 30 16:52:19 exposure kernel: RIP: (null) RSP: ffffae9f424af818
Apr 30 16:52:19 exposure kernel: CR2: 0000000000000000
Apr 30 16:52:19 exposure kernel: ---[ end trace 007cbdd3be015b37 ]---
Description: Ubuntu 18.04 LTS
Release: 18.04
linux-image-4.15.0-20-generic:
Installed: 4.15.0-20.21
Candidate: 4.15.0-20.21
Version table:
*** 4.15.0-20.21 500
500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
100 /var/lib/dpkg/status
Linux exposure 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC
2018 x86_64 x86_64 x86_64 GNU/Linux
3) What you expected to happen
I expected the laptop to boot to the login screen.
4) What happened instead
I see a blank screen after grub and have to hard power off the laptop.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-20-generic 4.15.0-20.21
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Mon Apr 30 17:22:20 2018
InstallationDate: Installed on 2018-04-28 (2 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
SourcePackage: linux-signed
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-signed (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic wayland-session
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https://bugs.launchpad.net/bugs/1768139
Title:
Kernel crash when booting laptop with hdmi monitor connected
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