On Tue, 06 Jan 2026, Satadru Pramanik <[email protected]> wrote: > Maybe worth noting that since I have this output: > lspci -nnd ::03xx > 00:02.0 VGA compatible controller [0300]: Intel Corporation Crystal Well > Integrated Graphics Controller [8086:0d26] (rev 08) > 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK107M > [GeForce GT 750M Mac Edition] [10de:0fe9] (rev a1) > > I can boot with this: i915.force_probe=!0d26 xe.force_probe=0d26
That basically disables i915 for your device, but xe driver doesn't support it either. > But then I get this in my dmesg: And that's your proprietary Broadcom wl module going bonkers at boot. Basically nothing we can do about any of this until you remove that. BR, Jani. > > [ 3.045178] ------------[ cut here ]------------ > [ 3.045183] Unpatched return thunk in use. This should not happen! > [ 3.045184] WARNING: arch/x86/kernel/cpu/bugs.c:3737 at > __warn_thunk+0x10/0x20, CPU#1: (udev-worker)/353 > [ 3.045192] Modules linked in: nouveau(+) wl(POE+) snd_hda_codec_generic > snd_hda_codec_hdmi kvm(+) drm_ttm_helper gpu_sched drm_gpuvm drm_exec btusb > mxm_wmi snd_hda_intel drm_buddy i2c_algo_bit btrtl snd_intel_dspcfg ttm > btintel iTCO_wdt snd_seq_midi snd_intel_sdw_acpi ghash_clmulni_intel joydev > uas rapl snd_seq_midi_event hid_generic drm_display_helper snd_hda_codec > facetimehd(OE+) btbcm nvme videobuf2_dma_sg btmtk intel_pmc_bxt > spi_intel_platform snd_hwdep videobuf2_memops spi_intel iTCO_vendor_support > applesmc cec bluetooth sbs(+) snd_rawmidi usb_storage intel_cstate > nvme_core bcm5974 usbhid efi_pstore videobuf2_v4l2 i2c_i801 cfg80211 hid > snd_hda_core videodev rc_core lpc_ich apple_mfi_fastcharge i2c_mux > drm_client_lib i2c_smbus videobuf2_common snd_seq snd_pcm drm_kms_helper mc > thunderbolt sbshc snd_seq_device snd_timer acpi_als drm snd > industrialio_triggered_buffer apple_gmux mei_me kfifo_buf industrialio > video mei soundcore wmi mac_hid dm_mirror dm_region_hash dm_log tcp_bbr > sch_fq_codel pkcs8_key_parser msr > [ 3.045271] parport_pc ppdev lp parport nfnetlink dmi_sysfs autofs4 > aesni_intel > [ 3.045281] CPU: 1 UID: 0 PID: 353 Comm: (udev-worker) Tainted: P > OE 6.19.0-rc4 #1 PREEMPT(lazy) > [ 3.045285] Tainted: [P]=PROPRIETARY_MODULE, [O]=OOT_MODULE, > [E]=UNSIGNED_MODULE > [ 3.045286] Hardware name: Apple Inc. > MacBookPro11,3/Mac-2BD1B31983FE1663, BIOS 432.60.3.0.0 10/27/2021 > [ 3.045288] RIP: 0010:__warn_thunk+0x10/0x20 > [ 3.045293] Code: 50 00 5d 48 98 c3 cc cc cc cc 90 90 90 90 90 90 90 90 > 90 90 90 90 90 90 90 90 0f 1f 44 00 00 55 48 89 e5 48 8d 3d 10 e1 45 02 > <67> 48 0f b9 3a 5d c3 cc cc cc cc 0f 1f 44 00 00 90 90 90 90 90 90 > [ 3.045295] RSP: 0018:ffffb9dc8061fa18 EFLAGS: 00010202 > [ 3.045298] RAX: 0000000000000010 RBX: 0000000000000000 RCX: > 0000000000000000 > [ 3.045299] RDX: 0000000000000000 RSI: ffffffffc190fc0f RDI: > ffffffff9114d790 > [ 3.045301] RBP: ffffb9dc8061fa18 R08: 0000000000000020 R09: > 0000000000000000 > [ 3.045303] R10: ffffb9dc8061fb38 R11: ffff9303437ea2e0 R12: > ffffffffc190fc0f > [ 3.045304] R13: 0000000000000000 R14: ffffffffc0b9b010 R15: > 0000000000000000 > [ 3.045306] FS: 00007f8662192980(0000) GS:ffff93071d83d000(0000) > knlGS:0000000000000000 > [ 3.045308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 3.045310] CR2: 00007f8661386000 CR3: 0000000117fd7001 CR4: > 00000000001706f0 > [ 3.045312] Call Trace: > [ 3.045321] <TASK> > [ 3.045323] warn_thunk_thunk+0x16/0x30 > [ 3.045329] getvar+0x20/0x70 [wl] > [ 3.045382] wl_module_init+0x17/0xa0 [wl] > [ 3.045418] do_one_initcall+0x59/0x310 > [ 3.045424] do_init_module+0x6a/0x260 > [ 3.045427] ? module_decompress_cleanup+0x4f/0x70 > [ 3.045431] load_module+0x1de9/0x2060 > [ 3.045437] init_module_from_file+0xe9/0x170 > [ 3.045439] ? init_module_from_file+0xe9/0x170 > [ 3.045444] idempotent_init_module+0x10e/0x2f0 > [ 3.045448] __x64_sys_finit_module+0x73/0xf0 > [ 3.045450] ? __secure_computing+0x7c/0xd0 > [ 3.045455] x64_sys_call+0x15b8/0x1da0 > [ 3.045458] do_syscall_64+0x6d/0x650 > [ 3.045462] ? switch_fpu_return+0x5c/0xe0 > [ 3.045466] ? do_syscall_64+0x29b/0x650 > [ 3.045469] ? irqentry_exit+0x3a/0x510 > [ 3.045473] ? exc_page_fault+0x90/0x1a0 > [ 3.045477] entry_SYSCALL_64_after_hwframe+0x76/0x7e > [ 3.045480] RIP: 0033:0x7f8662cd68cd > [ 3.045483] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 > 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 > <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 13 f5 0f 00 f7 d8 64 89 01 48 > [ 3.045485] RSP: 002b:00007ffd8fc05cd8 EFLAGS: 00000246 ORIG_RAX: > 0000000000000139 > [ 3.045488] RAX: ffffffffffffffda RBX: 00005591fd6d3990 RCX: > 00007f8662cd68cd > [ 3.045489] RDX: 0000000000000004 RSI: 00007f866146c336 RDI: > 000000000000001d > [ 3.045491] RBP: 00007ffd8fc05d70 R08: 0000000000000000 R09: > 00005591fd6d6d00 > [ 3.045492] R10: 0000000000000000 R11: 0000000000000246 R12: > 00007f866146c336 > [ 3.045494] R13: 0000000000020000 R14: 00005591fd6d59c0 R15: > 00005591fd6d6cc0 > [ 3.045497] </TASK> > [ 3.045499] ---[ end trace 0000000000000000 ]--- > > > On Tue, Jan 6, 2026 at 12:07 PM Satadru Pramanik <[email protected]> wrote: > >> Hello all, I'm newly getting this in my dmesg on my MacBookPro11,3 after >> updating from 6.19.0-rc3 to 6.19.0-rc4 on Ubuntu 25.10. I'm using the >> nouveau driver for my display, but this warning appears to be from i915, >> which my laptop also may be using for some portion of display enablement. >> >> [ 200.760128] ------------[ cut here ]------------ >> [ 200.760132] i915 0000:00:02.0: [drm] PCH PWM1 enabled >> [ 200.760134] WARNING: >> drivers/gpu/drm/i915/display/intel_display_power.c:1234 at >> hsw_enable_pc8+0x8a4/0xb10 [i915], CPU#0: kworker/u32:6/1378 >> [ 200.760351] Modules linked in: snd_seq_dummy snd_hrtimer >> scsi_transport_iscsi qrtr ccm algif_aead des3_ede_x86_64 des_generic libdes >> md4 rfcomm cmac algif_hash algif_skcipher af_alg bnep blocklayoutdriver >> nfsv4 nfs lockd grace nfs_localio netfs sunrpc binfmt_misc nls_iso8859_1 >> cmdlinepart spi_nor mtd snd_hda_codec_intelhdmi intel_rapl_msr zfs(POE) >> intel_rapl_common x86_pkg_temp_thermal intel_powerclamp nouveau input_leds >> i915 spl(OE) snd_hda_codec_cs420x snd_hda_codec_generic >> snd_hda_codec_nvhdmi snd_hda_codec_hdmi hid_apple drm_ttm_helper coretemp >> facetimehd(OE) snd_hda_intel gpu_sched btusb videobuf2_dma_sg >> snd_intel_dspcfg drm_gpuvm videobuf2_memops btrtl snd_intel_sdw_acpi >> videobuf2_v4l2 snd_seq_midi snd_hda_codec btintel snd_seq_midi_event >> drm_exec drm_buddy iTCO_wdt videodev kvm_intel btbcm mxm_wmi i2c_algo_bit >> btmtk snd_hwdep intel_pmc_bxt snd_rawmidi spi_intel_platform wl(POE) joydev >> hid_generic videobuf2_common kvm spi_intel snd_hda_core iTCO_vendor_support >> applesmc ghash_clmulni_intel nvme ttm rapl bluetooth >> [ 200.760418] snd_seq intel_cstate uas usbhid drm_display_helper snd_pcm >> nvme_core cfg80211 cec efi_pstore rc_core hid mc bcm5974 sbs thunderbolt >> apple_mfi_fastcharge drm_client_lib i2c_i801 drm_kms_helper i2c_mux >> usb_storage i2c_smbus lpc_ich sbshc snd_timer apple_gmux snd_seq_device >> acpi_als industrialio_triggered_buffer mei_me kfifo_buf drm snd >> industrialio mei soundcore video wmi mac_hid dm_mirror dm_region_hash >> dm_log tcp_bbr sch_fq_codel pkcs8_key_parser msr parport_pc ppdev lp >> parport nfnetlink dmi_sysfs autofs4 aesni_intel >> [ 200.760461] CPU: 0 UID: 0 PID: 1378 Comm: kworker/u32:6 Tainted: P >> U W OE 6.19.0-rc4 #1 PREEMPT(lazy) >> [ 200.760466] Tainted: [P]=PROPRIETARY_MODULE, [U]=USER, [W]=WARN, >> [O]=OOT_MODULE, [E]=UNSIGNED_MODULE >> [ 200.760468] Hardware name: Apple Inc. >> MacBookPro11,3/Mac-2BD1B31983FE1663, BIOS 432.60.3.0.0 10/27/2021 >> [ 200.760470] Workqueue: pm pm_runtime_work >> [ 200.760478] Sched_ext: lavd_1.0.20_g3c8138b8_x86_64_unknown_linux_gnu >> (enabled+all), task: runnable_at=+0ms >> [ 200.760480] RIP: 0010:hsw_enable_pc8+0x8aa/0xb10 [i915] >> [ 200.760653] Code: 32 12 00 48 85 ff 74 04 48 8b 7f 08 4c 8b 67 50 4d 85 >> e4 75 03 4c 8b 27 e8 e3 73 a7 e4 48 8d 3d dc 03 30 00 4c 89 e2 48 89 c6 >> <67> 48 0f b9 3a e9 df f9 ff ff 48 8b 3b 80 bb 4b 14 00 00 00 0f 84 >> [ 200.760655] RSP: 0018:ffffaf668250fc68 EFLAGS: 00010282 >> [ 200.760658] RAX: ffffffffc1d688a4 RBX: ffff920740f62000 RCX: >> ffffffffc180f0d0 >> [ 200.760660] RDX: ffff920742008030 RSI: ffffffffc1d688a4 RDI: >> ffffffffc1c038d0 >> [ 200.760661] RBP: ffffaf668250fc90 R08: 0000000000000002 R09: >> 0000000000000064 >> [ 200.760663] R10: 0000000000000000 R11: 0000000000000001 R12: >> ffff920742008030 >> [ 200.760664] R13: ffff920740ed4000 R14: 0000000000000000 R15: >> ffff920740ed4000 >> [ 200.760666] FS: 0000000000000000(0000) GS:ffff920b06bfd000(0000) >> knlGS:0000000000000000 >> [ 200.760668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> [ 200.760669] CR2: 00007f72423b701c CR3: 00000001777eb004 CR4: >> 00000000001726f0 >> [ 200.760671] Call Trace: >> [ 200.760673] <TASK> >> [ 200.760678] intel_display_power_suspend+0x61/0x80 [i915] >> [ 200.760852] intel_runtime_suspend+0xd7/0x230 [i915] >> [ 200.760963] ? __pfx_pci_pm_runtime_suspend+0x10/0x10 >> [ 200.760970] pci_pm_runtime_suspend+0x6a/0x1a0 >> [ 200.760974] __rpm_callback+0x4b/0x1f0 >> [ 200.760979] ? __pfx_pci_pm_runtime_suspend+0x10/0x10 >> [ 200.760983] rpm_callback+0x6f/0x80 >> [ 200.760986] rpm_suspend+0xe1/0x5e0 >> [ 200.760990] ? __schedule+0x44b/0x1650 >> [ 200.760996] pm_runtime_work+0x91/0xa0 >> [ 200.761000] process_one_work+0x188/0x360 >> [ 200.761005] worker_thread+0x327/0x460 >> [ 200.761007] ? __pfx_worker_thread+0x10/0x10 >> [ 200.761010] kthread+0x10b/0x220 >> [ 200.761015] ? __pfx_kthread+0x10/0x10 >> [ 200.761018] ret_from_fork+0x16e/0x1e0 >> [ 200.761023] ? __pfx_kthread+0x10/0x10 >> [ 200.761027] ret_from_fork_asm+0x1a/0x30 >> [ 200.761034] </TASK> >> [ 200.761035] ---[ end trace 0000000000000000 ]--- >> >> >> inxi -IG gives me this: >> Graphics: >> Device-1: Intel Crystal Well Integrated Graphics driver: i915 v: kernel >> Device-2: NVIDIA GK107M [GeForce GT 750M Mac Edition] driver: nouveau >> v: kernel >> Display: wayland server: X.Org v: 24.1.8 with: Xwayland v: 24.1.8 >> compositor: gnome-shell v: 49.0 driver: X: loaded: modesetting >> unloaded: fbdev,vesa dri: nouveau gpu: nouveau resolution: >> 3840x2400~60Hz >> API: EGL v: 1.5 drivers: crocus,nouveau,swrast >> platforms: gbm,wayland,x11,surfaceless,device >> API: OpenGL v: 4.6 compat-v: 4.3 vendor: mesa >> v: 25.3.2+git2512181741.a943c55aea0~q~mesarc2 renderer: NVE7 >> API: Vulkan v: 1.4.321 drivers: nvk,intel,llvmpipe >> surfaces: xcb,xlib,wayland >> Info: Tools: api: eglinfo, glxinfo, vulkaninfo x11: xdriinfo, xdpyinfo, >> xprop, xrandr >> Info: >> Memory: total: 16 GiB available: 15.53 GiB used: 4.85 GiB (31.2%) >> Processes: 468 Uptime: 17m Shell: Bash inxi: 3.3.39 >> >> Please let me know if I'm sending this to the wrong list? >> >> Regards, >> >> Satadru Pramanik >> -- Jani Nikula, Intel
