Intel UHD 630 "Coffee Lake" support

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stelek
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Intel UHD 630 "Coffee Lake" support

Post by stelek » Wed Jan 10, 2018 5:47 pm

My beloved desktop PC died and I was forced to upgrade. I'm a huge fan of low-end CPUs so my choice was Gigabyte Z370 MB and Intel i3-8100 with integrated UHD 630 graphics. Unfortunately it does not work. There's no video acceleration at all and my Mint 18 is unusable.

Following this article: https://www.phoronix.com/scan.php?page= ... hics&num=1 I've added the i915.alpha_support=1 option to my Kernel. Unfortunately the X-server does not come up when it is enabled. Dmesg gives the following:

Code: Select all

[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.13.0-26-generic root=UUID=141c9360-a30e-4cfd-b97d-29b7b085fbe5 ro vt.handoff=7 i915.alpha_support=1
[    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.13.0-26-generic root=UUID=141c9360-a30e-4cfd-b97d-29b7b085fbe5 ro vt.handoff=7 i915.alpha_support=1
[    4.767295] WARNING: CPU: 2 PID: 165 at /build/linux-hwe-UY0ygs/linux-hwe-4.13.0/drivers/gpu/drm/i915/i915_drv.c:230 i915_driver_load+0x104b/0x14c0 [i915]
[    4.767296] Modules linked in: usbhid i915(+) i2c_algo_bit drm_kms_helper e1000e syscopyarea sysfillrect sysimgblt ptp fb_sys_fops ahci pps_core drm libahci wmi video i2c_hid hid
[    4.767324] RIP: 0010:i915_driver_load+0x104b/0x14c0 [i915]
[    4.767352]  i915_pci_probe+0x4e/0x70 [i915]
[    4.767392]  i915_init+0x57/0x5a [i915]
[    4.782224] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_01.bin failed with error -2
[    4.782226] i915 0000:00:02.0: Failed to load DMC firmware [https://01.org/linuxgraphics/downloads/firmware], disabling runtime power management.
[    4.782650] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem
[    5.054373] [drm] Initialized i915 1.6.0 20170619 for 0000:00:02.0 on minor 0
[    5.156961] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[   15.512347] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
I tried the latest 4.4, 4.13 and even 4.15-rc5 kernels. They all fail on Mint 18.

So I'm typing this on Ubuntu 17.10. Here everything works and the dmesg produces:

Code: Select all

[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.13.0-16-generic root=UUID=2697846e-3165-4684-8cb3-d09508bfb93a ro quiet splash vt.handoff=7 i915.alpha_support=1
[    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.13.0-16-generic root=UUID=2697846e-3165-4684-8cb3-d09508bfb93a ro quiet splash vt.handoff=7 i915.alpha_support=1
[    4.835693] WARNING: CPU: 0 PID: 175 at /build/linux-XO_uEE/linux-4.13.0/drivers/gpu/drm/i915/i915_drv.c:230 i915_driver_load+0x11d4/0x14b0 [i915]
[    4.835693] Modules linked in: usbhid i915(+) e1000e ptp pps_core i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci drm libahci wmi video i2c_hid hid
[    4.835718] RIP: 0010:i915_driver_load+0x11d4/0x14b0 [i915]
[    4.835744]  i915_pci_probe+0x42/0x70 [i915]
[    4.835780]  i915_init+0x57/0x5a [i915]
[    4.849665] [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_01.bin (v1.1)
[    4.850165] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem
[    5.122392] [drm] Initialized i915 1.6.0 20170619 for 0000:00:02.0 on minor 0
[    5.225358] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[    5.884384] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
I hate Ubuntu's user interface. I'd love to go back to my beloved Mint. Please help!

gbgustafson
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Re: Intel UHD 630 "Coffee Lake" support

Post by gbgustafson » Wed Feb 07, 2018 9:20 pm

In debugging Linux Mint 17.3 and Linux Mint 18.3 on a new Z370 board, video seems to be the issue.

Previous hardware of Z270 MSI worked. Same for Z170 ASROCK hardware. There were issues for MSI, like a hang of 15 seconds on grub2 boot from HDD. I would classify the complaints as minor, even if unsolvable. These examples had proper video, solid boot and stable operation, plus the unexpected bonus of suspend/resume working with no setup labor required.

The situation with ASROCK Z370 hardware is completely different. The trouble seems to be Intel UHD630 video.

For example, all attempts to get suspend/resume or hibernate/resume to work have failed on this hardware using CoffeeLake cpu/intel630 graphics mix.

Other indicators of video issues emerged from video board games like Klondike, which has run under Wine 1.1 and 1.6 without issues for 10 years. On the ASROCK Z370 board klondike has failures, the first ever witnessed for this low-level graphics app. It took an install of Wine 2.1 using Playonlinux to make the old Windows board game work normally.

Video.
There are unsolved problems with Intel 630 graphics and older apps. Equally troubling is suspend/resume, which basically functions, but video issues deliver a black screen with no known effective solutions from the past. This includes all know quirks and kernel parameter fixes that used to work in the past. For instance, the July 2017
suggestion for kernel parameter "i915.alpha_support=1" makes no impact on kernel 4.8.7-040807-generic
[Feb 2018] for either Mint 17.3 or 18.3.

Currently, Linux Mint support for Z370 depends on the Linux kernel version and Intel video driver support, plus evolving Mint Team efforts towards Z370 support. I will wait for the Mint Team to apply the Z370/UHD630 fixes that worked for Archlinux and Ubuntu.

aki-y
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Joined: Mon Feb 12, 2018 12:18 am

Re: Intel UHD 630 "Coffee Lake" support

Post by aki-y » Mon Feb 12, 2018 12:29 am

I dno't know why but select recovery mode on boot later 4.15.1 kernel works fine for me. I currently using 4.15.2 upgraded by ukuu. Please try it.

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