It seems for linux-oem 4.15, there will be error messages in regard to i915. Since there are still some changes, e.g. bug 1848491, waiting to be SRU-ed to 4.15 and it seems 4.15 backport is not so urgent right now, I'll not try to include more fix for this task for linux-oem 4.15.
[drm:wait_panel_status [i915]] *ERROR* PPS state mismatch ------------[ cut here ]------------ eDP powered off while attempting aux channel communication. WARNING: CPU: 9 PID: 462 at /build/linux-oem-0v3Pg9/linux-oem-4.15.0/drivers/gpu/drm/i915/intel_dp.c:933 intel_dp_aux_ch+0x3fc/0x660 [i915] Modules linked in: dell_wmi dell_smbios nouveau dell_wmi_descriptor intel_wmi_thunderbolt wmi_bmof mxm_wmi snd_hda_intel(+) snd_hda_codec intel_rapl x86_pkg_temp_thermal snd_hda_core intel_powerclamp coretemp snd_hwdep arc4 snd_pcm kvm_intel kvm joydev irqbypass snd_seq_midi crct10dif_pclmul snd_seq_midi_event crc32_pclmul ghash_clmulni_intel pcbc snd_rawmidi aesni_intel iwlmvm(OE) aes_x86_64 crypto_simd glue_helper cryptd mac80211(OE) snd_seq intel_cstate i915(+) dcdbas dell_smm_hwmon snd_seq_device snd_timer uvcvideo btusb videobuf2_vmalloc input_leds iwlwifi(OE) btrtl videobuf2_memops btbcm ttm videobuf2_v4l2 btintel serio_raw videobuf2_core intel_rapl_perf snd bluetooth videodev 8250_dw drm_kms_helper rtsx_pci_ms media memstick soundcore drm cfg80211(OE) hid_multitouch ecdh_generic i2c_algo_bit ucsi_acpi fb_sys_fops idma64 syscopyarea processor_thermal_device sysfillrect virt_dma typec_ucsi intel_soc_dts_iosf compat(OE) sysimgblt mac_hid wmi typec int3403_thermal int340x_thermal_zone video intel_hid int3400_thermal acpi_thermal_rel sparse_keymap acpi_pad sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 rtsx_pci_sdmmc intel_lpss_pci psmouse i2c_i801 rtsx_pci thunderbolt intel_lpss i2c_hid hid CPU: 9 PID: 462 Comm: systemd-udevd Tainted: G OE 4.15.0-1060-oem #69-Ubuntu Hardware name: Dell Inc. Precision 5550/, BIOS 0.3.0 10/08/2019 RIP: 0010:intel_dp_aux_ch+0x3fc/0x660 [i915] RSP: 0000:ffffbc5fc19776c8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff91103c248000 RCX: 0000000000000006 RDX: 0000000000000007 RSI: 0000000000000096 RDI: ffff911044056490 RBP: ffffbc5fc1977768 R08: 0000000000000451 R09: 0000000000000004 R10: ffffbc5fc1977508 R11: 0000000000000001 R12: ffff91103f50d100 R13: 0000000000000004 R14: ffff91103f50d100 R15: ffff91103c248000 FS: 00007f9ba90968c0(0000) GS:ffff911044040000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557926f77290 CR3: 0000000275fc2005 CR4: 00000000003606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ? vsnprintf+0x226/0x510 intel_dp_aux_transfer+0xac/0x240 [i915] ? fwtable_read32+0x8d/0x1d0 [i915] ? fwtable_write32+0xf7/0x240 [i915] drm_dp_dpcd_access+0x75/0x120 [drm_kms_helper] drm_dp_dpcd_read+0x31/0x70 [drm_kms_helper] intel_dp_read_dpcd+0x29/0x60 [i915] intel_dp_init_connector+0x9cd/0x1320 [i915] intel_ddi_init+0x336/0x480 [i915] intel_setup_outputs+0x15b/0x990 [i915] intel_modeset_init+0x57a/0x1010 [i915] ? intel_i2c_reset+0x4e/0x60 [i915] ? intel_setup_gmbus+0x2ac/0x2c0 [i915] i915_driver_load+0xa73/0x1270 [i915] ? _cond_resched+0x19/0x40 i915_pci_probe+0x42/0x70 [i915] local_pci_probe+0x47/0xa0 pci_device_probe+0x10e/0x1c0 driver_probe_device+0x30c/0x490 __driver_attach+0xcc/0xf0 ? driver_probe_device+0x490/0x490 bus_for_each_dev+0x70/0xc0 driver_attach+0x1e/0x20 bus_add_driver+0x1c7/0x270 ? 0xffffffffc0a8c000 driver_register+0x60/0xe0 ? 0xffffffffc0a8c000 __pci_register_driver+0x5a/0x60 i915_init+0x5c/0x5f [i915] do_one_initcall+0x52/0x19f ? __vunmap+0x8e/0xc0 ? _cond_resched+0x19/0x40 ? kmem_cache_alloc_trace+0x14e/0x1b0 ? do_init_module+0x27/0x213 do_init_module+0x5f/0x213 load_module+0x16bc/0x1f10 ? ima_post_read_file+0x96/0xa0 SYSC_finit_module+0xfc/0x120 ? SYSC_finit_module+0xfc/0x120 SyS_finit_module+0xe/0x10 do_syscall_64+0x73/0x130 entry_SYSCALL_64_after_hwframe+0x3d/0xa2 RIP: 0033:0x7f9ba93232e9 RSP: 002b:00007ffc6305a568 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 000056048fc99490 RCX: 00007f9ba93232e9 RDX: 0000000000000000 RSI: 00007f9ba9204cad RDI: 0000000000000015 RBP: 00007f9ba9204cad R08: 0000000000000000 R09: 000056048fc99490 R10: 0000000000000015 R11: 0000000000000246 R12: 0000000000000000 R13: 000056048fc91e40 R14: 0000000000020000 R15: 000056048fc99490 Code: ff ff e8 e8 dd ff ff 84 c0 0f 85 b8 fc ff ff 4c 89 f7 e8 68 de ff ff 84 c0 0f 85 a8 fc ff ff 48 c7 c7 a0 54 a3 c0 e8 e4 c5 cd c7 <0f> 0b 49 8b be 00 ff ff ff 48 8d 55 a8 4c 89 f6 4c 8b a3 18 07 ---[ end trace cb6acee37c46ac83 ]--- ** Attachment added: "dmesg.4.15.0-1060-oem.zip" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1846335/+attachment/5301957/+files/dmesg.4.15.0-1060-oem.zip -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1846335 Title: [CML] New device id's for CMP-H To manage notifications about this bug go to: https://bugs.launchpad.net/intel/+bug/1846335/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
