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
