Here some additional information when the error occurs: Kernel logs: Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 kernel: ACPI: SSDT 0x0000000051F23000 005E42 (v02 DELL TbtTypeC 00000000 INTL 20210930) Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 kernel: ACPI: bus type drm_connector registered Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 kernel: simple-framebuffer simple-framebuffer.0: [drm] Registered 1 planes with drm panic Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 kernel: [drm] Initialized simpledrm 1.0.0 for simple-framebuffer.0 on minor 0 Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 kernel: simple-framebuffer simple-framebuffer.0: [drm] fb0: simpledrmdrmfb frame buffer device Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 kernel: ACPI: bus type thunderbolt registered Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 kernel: typec port0: bound usb3-port1 (ops connector_ops) Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 kernel: typec port0: bound usb2-port3 (ops connector_ops) Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 kernel: typec port1: bound usb3-port2 (ops connector_ops) Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 kernel: typec port1: bound usb2-port4 (ops connector_ops) Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 kernel: thunderbolt 0-1: new device found, vendor=0xd4 device=0xb0a1 Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 kernel: thunderbolt 0-1: Dell Dell Thunderbolt 4 Dock Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 kernel: thunderbolt 0-0:1.1: new retimer found, vendor=0x8087 device=0xd9c Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 kernel: thunderbolt 0000:00:0d.3: 0:5 <-> 1:14 (DP): not active, tearing down Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 systemd[1]: Starting [email protected] - Load Kernel Module drm... Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 systemd[1]: [email protected]: Deactivated successfully. Feb 11 16:29:36 name-Dell-Pro-Max-16-MC16250 systemd[1]: Finished [email protected] - Load Kernel Module drm. Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: intel_vpu 0000:00:0b.0: [drm] Firmware: intel/vpu/vpu_37xx_v1.bin, version: 20251113*MTL_CLIENT_SILICON-NVR+NN-deployment*72f907ffc780df5579a2fed65afc4944da8b0e44*72f907ffc780df5579a2fed65afc4944da8b0e44*72f907ffc78 Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: intel_vpu 0000:00:0b.0: [drm] Scheduler mode: OS Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: [drm] Initialized intel_vpu 1.0.0 for 0000:00:0b.0 on minor 0 Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] Found meteorlake (device ID 7d51) integrated display version 14.00 stepping D0 Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] VT-d active for gfx access Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: vgaarb: deactivate vga console Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] Using Transparent Hugepages Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: vgaarb: VGA decodes changed: olddecodes=io+mem,decodes=io+mem:owns=io+mem Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/mtl_dmc.bin (v2.21) Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] GT0: GuC firmware i915/mtl_guc_70.bin version 70.36.0 Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] GT0: GUC: submission enabled Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] GT0: GUC: SLPC enabled Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] GT0: GUC: RC enabled Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: mei_gsc_proxy 0000:00:16.0-0f73db04-97ab-4125-b893-e904ad0d5464: bound 0000:00:02.0 (ops i915_gsc_proxy_component_ops [i915]) Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] GT1: GuC firmware i915/mtl_guc_70.bin version 70.36.0 Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] GT1: HuC firmware i915/mtl_huc_gsc.bin version 8.5.4 Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] GT1: HuC: authenticated for clear media Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] GT1: GUC: submission enabled Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] GT1: GUC: SLPC enabled Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] GT1: GUC: RC enabled Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] Protected Xe Path (PXP) protected content support initialized Feb 11 16:29:37 name-Dell-Pro-Max-16-MC16250 kernel: [drm] Initialized i915 1.6.0 for 0000:00:02.0 on minor 1 Feb 11 16:29:38 name-Dell-Pro-Max-16-MC16250 kernel: fbcon: i915drmfb (fb0) is primary device Feb 11 16:29:38 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device Feb 11 16:29:38 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] GT1: Loaded GSC firmware i915/mtl_gsc_1.bin (cv1.0, r102.1.15.1926, svn 1) Feb 11 16:29:38 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] GT1: HuC: authenticated for all workloads Feb 11 16:29:38 name-Dell-Pro-Max-16-MC16250 kernel: sof-audio-pci-intel-mtl 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915]) Feb 11 16:30:02 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] Selective fetch area calculation failed in pipe B Feb 11 16:40:32 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] *ERROR* CPU pipe B FIFO underrun Feb 11 16:44:46 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] *ERROR* Atomic update failure on pipe B (start=16271 end=16272) time 216 us, min 1073, max 1079, scanline start 1069, end 1084 Feb 11 16:46:07 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] *ERROR* Atomic update failure on pipe B (start=21175 end=21176) time 265 us, min 1073, max 1079, scanline start 1070, end 1087
Kernel panic log: Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ------------[ cut here ]------------ Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: i915 0000:00:02.0: [drm] drm_WARN_ON(psr->paused) Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: WARNING: CPU: 7 PID: 3971 at drivers/gpu/drm/i915/display/intel_psr.c:2211 intel_psr_pause+0x16c/0x180 [i915] Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: Modules linked in: rfcomm snd_seq_dummy snd_hrtimer xt_conntrack xt_MASQUERADE bridge stp llc xt_set ip_set nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_addrtype nft_compat nf_tables xfrm_user x> Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: soundwire_generic_allocation snd_soc_acpi soundwire_bus snd_soc_sdca snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_usb_audio snd_hda_codec snd_hda_core sn> Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: processor_thermal_rapl mc intel_rapl_common rc_core processor_thermal_wt_req intel_vpu processor_thermal_power_floor i2c_algo_bit processor_thermal_mbox igen6_edac intel_pmc_core int3403_thermal int340x_thermal_zone> Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: CPU: 7 UID: 1000 PID: 3971 Comm: Xorg Tainted: G W OE 6.14.0-37-generic #37~24.04.1-Ubuntu Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: Tainted: [W]=WARN, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: Hardware name: Dell Inc. Dell Pro Max 16 MC16250/0YHD6M, BIOS 1.9.0 11/06/2025 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: RIP: 0010:intel_psr_pause+0x16c/0x180 [i915] Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: Code: 4c 8b 67 50 4d 85 e4 75 03 4c 8b 27 e8 fd 32 04 e7 48 c7 c1 f2 a4 72 c1 4c 89 e2 48 c7 c7 0c a2 72 c1 48 89 c6 e8 c4 a3 54 e6 <0f> 0b e9 5a ff ff ff e9 7c 6c 0e 00 e9 a1 6c 0e 00 0f 1f 00 90 90 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: RSP: 0018:ffffcd458e327818 EFLAGS: 00010246 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: RAX: 0000000000000000 RBX: ffff8c9c0b4261e0 RCX: 0000000000000000 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: RBP: ffffcd458e327838 R08: 0000000000000000 R09: 0000000000000000 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: R10: 0000000000000000 R11: 0000000000000000 R12: ffff8c9c02715ce0 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: R13: 0000000000000001 R14: ffff8c9c0b426f08 R15: 00000000ffffffff Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: FS: 0000712c4da37ac0(0000) GS:ffff8cab4ff80000(0000) knlGS:0000000000000000 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: CR2: 0000712c3e4ca000 CR3: 00000001286d0006 CR4: 0000000000f70ef0 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: PKRU: 55555554 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: Call Trace: Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: <TASK> Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: intel_set_cdclk+0xc9/0x450 [i915] Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? intel_pmdemand_program_params+0x233/0x310 [i915] Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: intel_set_cdclk_pre_plane_update+0x12d/0x250 [i915] Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: intel_atomic_commit_tail+0xa1e/0xb80 [i915] Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: intel_atomic_commit+0x2a8/0x2f0 [i915] Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: drm_atomic_commit+0xad/0xf0 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? __pfx___drm_printfn_info+0x10/0x10 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: drm_atomic_helper_set_config+0x82/0xd0 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: drm_mode_setcrtc+0x3f7/0x9c0 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? restore_fpregs_from_user+0x8d/0x170 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? __pfx_drm_mode_setcrtc+0x10/0x10 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: drm_ioctl_kernel+0xb6/0x120 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: drm_ioctl+0x2f3/0x5b0 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? __pfx_drm_mode_setcrtc+0x10/0x10 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: __x64_sys_ioctl+0xa4/0xe0 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: x64_sys_call+0x131e/0x2650 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: do_syscall_64+0x7e/0x170 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? arch_exit_to_user_mode_prepare.isra.0+0x22/0x120 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? syscall_exit_to_user_mode+0x38/0x1d0 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? do_syscall_64+0x8a/0x170 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? arch_exit_to_user_mode_prepare.isra.0+0xd9/0x120 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? syscall_exit_to_user_mode+0x38/0x1d0 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? do_syscall_64+0x8a/0x170 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? __x64_sys_epoll_wait+0x6f/0x110 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? do_writev+0xc7/0x130 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? arch_exit_to_user_mode_prepare.isra.0+0x22/0x120 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? syscall_exit_to_user_mode+0x38/0x1d0 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? do_syscall_64+0x8a/0x170 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ? do_syscall_64+0x8a/0x170 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: entry_SYSCALL_64_after_hwframe+0x76/0x7e Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: RIP: 0033:0x712c4dd24e1d Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: 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 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: RSP: 002b:00007ffd6bc34020 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: RAX: ffffffffffffffda RBX: 00005b9dd998f330 RCX: 0000712c4dd24e1d Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: RDX: 00007ffd6bc340b0 RSI: 00000000c06864a2 RDI: 000000000000000e Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: RBP: 00007ffd6bc34070 R08: 0000000000000000 R09: 00005b9ddb87aae0 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd6bc340b0 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: R13: 00000000c06864a2 R14: 000000000000000e R15: 00005b9dd97e9018 Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: </TASK> Feb 11 17:19:43 name-Dell-Pro-Max-16-MC16250 kernel: ---[ end trace 0000000000000000 ]--- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2141643 Title: [i915][Meteor Lake/Arrow Lake] External monitors flicker with Dell TB4 dock, PSR warnings, fixed by enable_psr=0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-6.14/+bug/2141643/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
