Public bug reported:
After upgrading from 6.17 to 7.0 my laptop often hard-locks when trying
to wake up after sleep with an attached external monitor. (The summary
above is what gemini suggested - I hope it is helpful.)
- Hardware :: Dell Pro 14 Plus PB14250/0V3605
- CPU/GPU :: Intel Meteor Lake (Core Ultra)
- Kernel :: 7.0.0-27-generic (Ubuntu SMP PREEMPT_DYNAMIC)
- External display :: 4K over HDMI
Mostly it hard locks in this situation, so I often cannot report the
bug, but today it did not so I have the information below to provide.
The bug does not appear with 6.17, so I will now reboot to use that.
I have run ubuntu-bug linux, and that lead me here, so I hope the details are
automatically attached.
Kind regards,
Patrik
----
[207625.037167] ------------[ cut here ]------------
[207625.037182] i915 0000:00:02.0: [drm] vblank wait timed out on crtc 1
[207625.037189] WARNING: drivers/gpu/drm/drm_vblank.c:1320 at
drm_crtc_wait_one_vblank+0x194/0x200, CPU#10: KMS thread/106639
[207625.037211] Modules linked in: xt_conntrack xt_MASQUERADE bridge stp llc
xfrm_user xfrm_algo xt_set ip_set nft_chain_nat nf_nat nf_conntrack
nf_defrag_ipv6 nf_defrag_ipv4 xt_addrtype nft_compat x_tables nf_tables ccm
rfcomm snd_seq_dummy snd_hrtimer cmac algif_hash algif_skcipher af_alg overlay
qrtr bnep snd_soc_cs42l43 pinctrl_cs42l43 snd_soc_cs42l43_sdw spi_cs42l43
snd_soc_sof_sdw snd_soc_intel_hda_dsp_common snd_sof_probes binfmt_misc
cs42l43_sdw snd_hda_codec_intelhdmi regmap_sdw cs42l43 snd_soc_dmic
snd_hda_codec_hdmi xe snd_hda_intel nls_iso8859_1 cmdlinepart
snd_sof_pci_intel_mtl snd_sof_intel_hda_generic drm_gpusvm_helper spi_nor
gpu_sched dell_pc soundwire_intel mtd snd_sof_intel_hda_sdw_bpt mei_gsc_proxy
drm_gpuvm snd_sof_intel_hda_common snd_soc_hdac_hda drm_ttm_helper drm_exec
snd_sof_intel_hda_mlink snd_sof_intel_hda drm_suballoc_helper soundwire_cadence
snd_sof_pci snd_sof_xtensa_dsp intel_rapl_msr snd_sof snd_sof_utils
snd_hda_ext_core snd_hda_codec snd_hda_core snd_intel_dspcfg snd_intel_sdw_acpi
[207625.037328] x86_pkg_temp_thermal snd_soc_acpi_intel_match intel_powerclamp
snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation dell_laptop
coretemp snd_soc_sdw_utils snd_soc_acpi uvcvideo soundwire_bus dell_wmi
snd_soc_sdca videobuf2_vmalloc btusb snd_usb_audio snd_soc_core uvc kvm_intel
btmtk btrtl snd_compress dell_smbios btbcm snd_usbmidi_lib videobuf2_memops
dcdbas kvm irqbypass dell_wmi_sysman rapl i2c_i801 iwlmld i2c_smbus
spi_intel_pci ac97_bus intel_cstate btintel dell_wmi_ddv mei_me videobuf2_v4l2
dell_smm_hwmon dell_wmi_descriptor firmware_attributes_class wmi_bmof snd_hwdep
snd_ctl_led e1000e snd_pcm_dmaengine spi_intel i2c_mux mac80211 snd_ump mei
videobuf2_common crc8 snd_seq_midi bluetooth intel_pmc_core i915 videodev
snd_pcm snd_seq_midi_event libarc4 dptf_pch_fivr int3403_thermal
processor_thermal_device_pci processor_thermal_device acpi_tad snd_rawmidi
processor_thermal_wt_hint pmt_telemetry iwlwifi platform_temperature_control
intel_hid pmt_discovery drm_buddy int3400_thermal snd_seq
[207625.037442] pmt_class acpi_pad processor_thermal_soc_slider sparse_keymap
acpi_thermal_rel processor_thermal_rfim ttm processor_thermal_rapl
snd_seq_device drm_display_helper snd_timer cfg80211 intel_rapl_common
processor_thermal_wt_req snd cec processor_thermal_power_floor
intel_pmc_ssram_telemetry processor_thermal_mbox soundcore rc_core
int340x_thermal_zone mc i2c_algo_bit intel_vpu platform_profile intel_vsec
igen6_edac joydev input_leds mac_hid sch_fq_codel efi_pstore nfnetlink
hid_jabra usbhid hid_sensor_custom hid_sensor_hub intel_ishtp_hid ucsi_acpi
typec_ucsi hid_multitouch typec hid_generic 8250_dw i2c_hid_acpi
ghash_clmulni_intel psmouse i2c_hid hid nvme video nvme_core intel_lpss_pci
intel_ish_ipc nvme_keyring thunderbolt intel_lpss nvme_auth wmi intel_ishtp
hkdf pinctrl_meteorlake idma64 serio_raw parport_pc lp ppdev msr parport
dmi_sysfs autofs4 aesni_intel
[207625.037552] CPU: 10 UID: 1000 PID: 106639 Comm: KMS thread Kdump: loaded
Tainted: G W 7.0.0-27-generic #27-Ubuntu PREEMPT(lazy)
[207625.037560] Tainted: [W]=WARN
[207625.037562] Hardware name: Dell Inc. Dell Pro 14 Plus PB14250/0V3605, BIOS
2.11.1 02/12/2026
[207625.037566] RIP: 0010:drm_crtc_wait_one_vblank+0x19d/0x200
[207625.037576] Code: 48 85 db 74 7a 48 8b 7b 08 4c 8b 67 50 4d 85 e4 75 03 4c
8b 27 e8 73 5a ec ff 48 8d 3d 4c 90 d6 01 44 89 e9 4c 89 e2 48 89 c6 <67> 48 0f
b9 3a 44 89 ee 48 89 df 41 bf 92 ff ff ff e8 9d fc ff ff
[207625.037580] RSP: 0018:ffffd162748eb550 EFLAGS: 00010246
[207625.037585] RAX: ffffffffc15d5e3d RBX: ffff8ee4479e8000 RCX:
0000000000000001
[207625.037588] RDX: ffff8ee4435de060 RSI: ffffffffc15d5e3d RDI:
ffffffffb5d00d20
[207625.037591] RBP: ffffd162748eb5b0 R08: 0000000000000000 R09:
0000000000000000
[207625.037593] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff8ee4435de060
[207625.037596] R13: 0000000000000001 R14: 000000000007a9df R15:
0000000000000000
[207625.037599] FS: 000070ab07bff6c0(0000) GS:ffff8eec19900000(0000)
knlGS:0000000000000000
[207625.037602] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[207625.037606] CR2: 000079b9801350c4 CR3: 000000031be83001 CR4:
0000000000f72ef0
[207625.037609] PKRU: 55555554
[207625.037613] Call Trace:
[207625.037617] <TASK>
[207625.037626] ? __pfx_autoremove_wake_function+0x10/0x10
[207625.037639] intel_crtc_wait_for_next_vblank+0xe/0x20 [i915]
[207625.038115] hsw_audio_codec_disable+0x14b/0x280 [i915]
[207625.038479] intel_audio_codec_disable+0xc9/0x1c0 [i915]
[207625.038828] ? intel_fbc_pre_update+0xb2/0x190 [i915]
[207625.039188] intel_pre_plane_update+0x424/0x780 [i915]
[207625.039543] intel_commit_modeset_disables+0x7d/0x500 [i915]
[207625.039906] ? intel_modeset_get_crtc_power_domains+0xa4/0x100 [i915]
[207625.040278] intel_atomic_commit_tail+0x2d6/0xc50 [i915]
[207625.040632] ? __flush_workqueue+0x1ae/0x430
[207625.040641] intel_atomic_commit+0x28e/0x2e0 [i915]
[207625.040988] drm_atomic_commit+0xad/0xf0
[207625.040994] ? __pfx___drm_printfn_info+0x10/0x10
[207625.041004] drm_mode_atomic_ioctl+0x7d1/0x910
[207625.041011] ? __pfx_drm_mode_atomic_ioctl+0x10/0x10
[207625.041015] drm_ioctl_kernel+0xb5/0x110
[207625.041021] drm_ioctl+0x309/0x5f0
[207625.041025] ? __pfx_drm_mode_atomic_ioctl+0x10/0x10
[207625.041038] __x64_sys_ioctl+0xa3/0x100
[207625.041047] x64_sys_call+0x103b/0x2390
[207625.041055] do_syscall_64+0x105/0x5a0
[207625.041065] ? arch_exit_to_user_mode_prepare.isra.0+0xd/0xe0
[207625.041070] ? hrtimer_setup+0x20/0xd0
[207625.041079] ? hrtimer_cb_get_time+0x25/0x80
[207625.041086] ? do_timerfd_settime+0x315/0x510
[207625.041096] ? __x64_sys_timerfd_settime+0x98/0xf0
[207625.041103] ? arch_exit_to_user_mode_prepare.isra.0+0xd/0xe0
[207625.041108] ? do_syscall_64+0x140/0x5a0
[207625.041114] ? aa_file_perm+0x1ad/0x3b0
[207625.041124] ? ptep_set_access_flags+0x4a/0x70
[207625.041132] ? wp_page_reuse+0x97/0xc0
[207625.041139] ? do_wp_page+0x4ee/0x6f0
[207625.041145] ? handle_pte_fault+0x1d8/0x1f0
[207625.041150] ? __handle_mm_fault+0x493/0x720
[207625.041155] ? count_memcg_events+0x103/0x250
[207625.041164] ? handle_mm_fault+0x1c0/0x2e0
[207625.041168] ? arch_exit_to_user_mode_prepare.isra.0+0xd/0x100
[207625.041175] ? irqentry_exit+0x97/0x5a0
[207625.041184] ? exc_page_fault+0x94/0x1e0
[207625.041190] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[207625.041197] RIP: 0033:0x70ab39532cbd
[207625.041204] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0
10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d
00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[207625.041208] RSP: 002b:000070ab07bfe190 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[207625.041213] RAX: ffffffffffffffda RBX: 00005649deb07040 RCX:
000070ab39532cbd
[207625.041216] RDX: 000070ab07bfe230 RSI: 00000000c03864bc RDI:
000000000000000c
[207625.041220] RBP: 000070ab07bfe1e0 R08: 000000000000001f R09:
0000000000000000
[207625.041222] R10: 0000000000000004 R11: 0000000000000246 R12:
000070ab07bfe230
[207625.041225] R13: 00000000c03864bc R14: 000000000000000c R15:
000070ab00007db0
[207625.041231] </TASK>
[207625.041234] ---[ end trace 0000000000000000 ]---
[207625.707032] i915 0000:00:02.0: [drm] PHY B failed to change powerdown state
[209597.477866] audit: type=1400 audit(1783809243.438:412): apparmor="DENIED"
operation="open" class="file" profile="/usr/sbin/cupsd" name="/etc/paperspecs"
pid=113105 comm="cupsd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[209597.485609] audit: type=1400 audit(1783809243.446:413): apparmor="DENIED"
operation="capable" class="cap" profile="/usr/sbin/cupsd" pid=113105
comm="cupsd" capability=12 capname="net_admin"
[214990.362984] wlp0s20f3: disconnect from AP b0:6a:41:d7:cc:67 for new auth to
b0:6a:41:d7:cc:63
[214990.424225] wlp0s20f3: authenticate with b0:6a:41:d7:cc:63 (local
address=ac:3d:cb:59:50:5b)
[214990.424730] wlp0s20f3: send auth to b0:6a:41:d7:cc:63 (try 1/3)
[214990.433559] wlp0s20f3: authenticated
[214990.434619] wlp0s20f3: associate with b0:6a:41:d7:cc:63 (try 1/3)
[214990.445626] wlp0s20f3: RX ReassocResp from b0:6a:41:d7:cc:63 (capab=0x1011
status=0 aid=1)
[214990.447131] wlp0s20f3: associated
[214990.450347] wlp0s20f3: Limiting TX power to 20 (20 - 0) dBm as advertised
by b0:6a:41:d7:cc:63
[217937.548978] hrtimer: interrupt took 24129 ns
[235912.278651] wlp0s20f3: disconnect from AP b0:6a:41:d7:cc:63 for new auth to
3c:28:6d:5b:6e:a3
[235912.340695] wlp0s20f3: authenticate with 3c:28:6d:5b:6e:a3 (local
address=ac:3d:cb:59:50:5b)
[235912.341105] wlp0s20f3: send auth to 3c:28:6d:5b:6e:a3 (try 1/3)
[235912.347010] wlp0s20f3: authenticated
[235912.348194] wlp0s20f3: associate with 3c:28:6d:5b:6e:a3 (try 1/3)
[235912.356122] wlp0s20f3: RX ReassocResp from 3c:28:6d:5b:6e:a3 (capab=0x1011
status=0 aid=2)
[235912.357795] wlp0s20f3: associated
[235912.431967] wlp0s20f3: Limiting TX power to 20 (20 - 0) dBm as advertised
by 3c:28:6d:5b:6e:a3
[236288.550205] wlp0s20f3: disconnect from AP 3c:28:6d:5b:6e:a3 for new auth to
b0:6a:41:d7:cc:63
[236288.620639] wlp0s20f3: authenticate with b0:6a:41:d7:cc:63 (local
address=ac:3d:cb:59:50:5b)
[236288.621036] wlp0s20f3: send auth to b0:6a:41:d7:cc:63 (try 1/3)
[236288.627266] wlp0s20f3: authenticated
[236288.627722] wlp0s20f3: associate with b0:6a:41:d7:cc:63 (try 1/3)
[236288.637985] wlp0s20f3: RX ReassocResp from b0:6a:41:d7:cc:63 (capab=0x1011
status=0 aid=2)
[236288.639533] wlp0s20f3: associated
[236288.741734] wlp0s20f3: Limiting TX power to 20 (20 - 0) dBm as advertised
by b0:6a:41:d7:cc:63
[285531.835167] perf: interrupt took too long (9883 > 9873), lowering
kernel.perf_event_max_sample_rate to 20000
[297427.275704] audit: type=1400 audit(1783897074.695:414): apparmor="DENIED"
operation="open" class="file" profile="/usr/sbin/cupsd" name="/etc/paperspecs"
pid=148701 comm="cupsd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[297427.282541] audit: type=1400 audit(1783897074.702:415): apparmor="DENIED"
operation="capable" class="cap" profile="/usr/sbin/cupsd" pid=148701
comm="cupsd" capability=12 capname="net_admin"
[316474.498404] workqueue: i915_hpd_poll_init_work [i915] hogged CPU for
>10000us 8195 times, consider switching to WQ_UNBOUND
[326315.454657] workqueue: output_poll_execute hogged CPU for >10000us 4099
times, consider switching to WQ_UNBOUND
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-7.0.0-27-generic 7.0.0-27.27
ProcVersionSignature: Ubuntu 7.0.0-27.27-generic 7.0.6
Uname: Linux 7.0.0-27-generic x86_64
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Mon Jul 13 10:02:56 2026
InstallationDate: Installed on 2026-02-12 (151 days ago)
InstallationMedia: Ubuntu 25.10 "Questing Quokka" - Release amd64 (20251007)
MachineType: Dell Inc. Dell Pro 14 Plus PB14250
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-27-generic
root=UUID=02890c16-94b1-47d4-b582-5747b9c7a651 ro quiet splash
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
SourcePackage: linux
UpgradeStatus: Upgraded to resolute on 2026-04-25 (79 days ago)
dmi.bios.date: 02/12/2026
dmi.bios.release: 2.11
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 2.11.1
dmi.board.name: 0V3605
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.ec.firmware.release: 1.20
dmi.modalias:
dmi:bvnDellInc.:bvr2.11.1:bd02/12/2026:br2.11:efr1.20:svnDellInc.:pnDellPro14PlusPB14250:pvr:rvnDellInc.:rn0V3605:rvrA00:cvnDellInc.:ct10:cvr:sku0CE8:pfaDellProLaptops:
dmi.product.family: Dell Pro Laptops
dmi.product.name: Dell Pro 14 Plus PB14250
dmi.product.sku: 0CE8
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
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https://bugs.launchpad.net/bugs/2160488
Title:
i915: Meteor Lake hard lock and C10 PLL state mismatch on display
suspend/resume
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