Hello, Sergey
Could i ask you for a trace of that case with tool 'apitrace' (replay of trace should give the same assert).
And also what is the version of mesa ('inxi -Fx' and 'glxinfo -B')? And 'sudo X -version'

(In reply to Sergii Romantsov from comment #1)
> Hello, Sergey
> Could i ask you for a trace of that case with tool 'apitrace' (replay of
> trace should give the same assert).

https://dump.bitcheese.net/files/coxuxij/compton.trace

> And also what is the version of mesa ('inxi -Fx' and 'glxinfo -B')? And
> 'sudo X -version'

∞ inxi -Fx
System:    Host: l29ah-x201 Kernel: 4.20.6+ x86_64 bits: 64 gcc: 8.2.0 Console: tty 28
           Distro: Gentoo Base System release 2.6
Machine:   Device: desktop Mobo: N/A model: N/A serial: N/A UEFI [Legacy]: American Megatrends v: 5.12 date: 07/03/2018
Battery    BAT0: charge: 42.9 Wh 98.6% condition: 43.5/51.3 Wh (85%) model: CJOYIN Y91 status: N/A
CPU:       Quad core Intel Core i7-8550U (-MT-MCP-) arch: Kaby Lake rev.10 cache: 8192 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 15940
           clock speeds: max: 4000 MHz 1: 3611 MHz 2: 3600 MHz 3: 3600 MHz 4: 3600 MHz 5: 3600 MHz
           6: 3600 MHz 7: 3599 MHz 8: 3600 MHz
Graphics:  Card: Intel UHD Graphics 620 bus-ID: 00:02.0
           Display Server: X.Org 1.20.3 driver: modesetting Resolution: 1920x1200@59.99hz
           OpenGL: renderer: Mesa DRI Intel UHD Graphics 620 (Kabylake GT2)
           version: 4.5 Mesa 19.1.0-devel (git-9e787904d0) Direct Render: Yes
Audio:     Card Intel Sunrise Point-LP HD Audio driver: snd_hda_intel bus-ID: 00:1f.3
           Sound: Advanced Linux Sound Architecture v: k4.20.6+
Network:   Card-1: Realtek RTL8111/8168/8411 PCIE Gigabit Ethernet Controller
           driver: r8169 port: e000 bus-ID: 01:00.0
           IF: eth0 state: down mac: 00:e0:4c:18:00:de
           Card-2: Intel Ultimate N WiFi Link 5300 driver: iwlwifi bus-ID: 02:00.0
           IF: wlan0 state: up mac: 0c:b3:19:f9:7c:7f
Drives:    HDD Total Size: 256.1GB (1.4% used)
           ID-1: /dev/sda model: KINGSTON_SV300S3 size: 240.1GB
           ID-2: USB /dev/sdb model: Multi size: 16.0GB
Partition: ID-1: / size: 217G used: 196G (91%) fs: ext4 dev: /dev/root
           ID-2: swap-1 size: 3.83GB used: 0.00GB (0%) fs: swap dev: /dev/sda2
Sensors:   System Temperatures: cpu: 92.0C mobo: 92.0C
           Fan Speeds (in rpm): cpu: N/A
Info:      Processes: 290 Uptime: 12 days Memory: 4933.6/15899.0MB
           Init: SysVinit rc: OpenRC runlevel: default Gcc sys: 8.3.0
           Client: Shell (zsh 5.7.1) inxi: 2.3.56 
∞ glxinfo -B
name of display: :1
display: :1  screen: 0
direct rendering: Yes
Extended renderer info (GLX_MESA_query_renderer):
    Vendor: Intel Open Source Technology Center (0x8086)
    Device: Mesa DRI Intel(R) UHD Graphics 620 (Kabylake GT2)  (0x5917)
    Version: 19.1.0
    Accelerated: yes
    Video memory: 3072MB
    Unified memory: yes
    Preferred profile: core (0x1)
    Max core profile version: 4.5
    Max compat profile version: 3.0
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 3.2
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) UHD Graphics 620 (Kabylake GT2) 
OpenGL core profile version string: 4.5 (Core Profile) Mesa 19.1.0-devel (git-9e787904d0)
OpenGL core profile shading language version string: 4.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile

OpenGL version string: 3.0 Mesa 19.1.0-devel (git-9e787904d0)
OpenGL shading language version string: 1.30
OpenGL context flags: (none)

OpenGL ES profile version string: OpenGL ES 3.2 Mesa 19.1.0-devel (git-9e787904d0)
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
∞ X -version

X.Org X Server 1.20.4
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.20.6+ x86_64 Gentoo
Current Operating System: Linux l29ah-x201 4.20.6+ #113 SMP PREEMPT Sun Feb 3 09:30:54 MSK 2019 x86_64
Kernel command line: auto BOOT_IMAGE=Gentoo_Doc ro root=801 elevator=noop iomem=relaxed security=apparmor resume=/dev/sda2
Build Date: 02 March 2019  08:17:21AM
 
Current version of pixman: 0.36.0
	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.

(In reply to Sergii Romantsov from comment #1)
> replay of trace should give the same assert
It doesn't.

Created attachment 143521 [details]
attachment-5962-0.html

Ok, than, probably trace of i3lock-color...

On Mon, Mar 4, 2019 at 3:36 PM <bugzilla-daemon@freedesktop.org> wrote:

> *Comment # 3 <https://bugs.freedesktop.org/show_bug.cgi?id=109826#c3> on
> bug 109826 <https://bugs.freedesktop.org/show_bug.cgi?id=109826> from
> Sergey Alirzaev <zl29ah@gmail.com> *
>
> (In reply to Sergii Romantsov from comment #1 <https://bugs.freedesktop.org/show_bug.cgi?id=109826#c1>)> replay of trace should give the same assert
> It doesn't.
>
> ------------------------------
> You are receiving this mail because:
>
>    - You are the assignee for the bug.
>    - You are the QA Contact for the bug.
>
> _______________________________________________
> intel-3d-bugs mailing list
> intel-3d-bugs@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-3d-bugs

(In reply to Sergii Romantsov from comment #4)
> Ok, than, probably trace of i3lock-color...

apitrace doesn't want to produce any files for it. Verbose output:

l29ahZl29ah-x201 ~ ‰ apitrace trace -v -o i3lock.trace i3lock -n -e -k --color 55ff55 -i ~/wallpapers/c.png --time-font=Verdana --date-font=Verdana --layout-font=Verdana --verif-font=Verdana --wrong-font=Verdana --greeter-font=Verdana --composite --show-failed-attempts       
info: did not find /usr/bin/wrappers/glxtrace.so
apitrace: loaded into /usr/bin/apitrace
info: found /usr/bin/../$LIB/apitrace/wrappers/glxtrace.so
apitrace: unloaded from /usr/bin/apitrace
LD_PRELOAD=/usr/bin/../$LIB/apitrace/wrappers/glxtrace.so
i3lock -n -e -k --color 55ff55 -i /home/l29ah/wallpapers/c.png --time-font=Verdana --date-font=Verdana --layout-font=Verdana --verif-font=Verdana --wrong-font=Verdana --greeter-font=Verdana --composite --show-failed-attempts
apitrace: loaded into /usr/bin/i3lock
apitrace: unloaded from /usr/bin/i3lock
l29ahZl29ah-x201 ~ ‰ apitrace: unloaded from /usr/bin/i3lock

Hm, yes that is sad.
I see that you are using modesettings.
Could you try to attach also a content of files in /usr/share/X11/xorg.conf.d or /etc/X11/xorg.conf.d/
Probably you may have a file named '20-intel.conf' or '20-modesetting.conf'.
Please try to use for option 'Driver' a value 'intel' instead of 'modesetting' - just for case to check. Need to reboot.

(In reply to Sergii Romantsov from comment #6)
> Hm, yes that is sad.
> I see that you are using modesettings.
> Could you try to attach also a content of files in
> /usr/share/X11/xorg.conf.d or /etc/X11/xorg.conf.d/
> Probably you may have a file named '20-intel.conf' or '20-modesetting.conf'.

The only video output-relevant part:

Section "Device"
	# opengl stuff (and qutebrowser) hangs sometimes
	#Driver "intel"
	# maybe it will fix the backlight problem
	# used to fuck up everything but the mouse cursor on x201
	# should fix tearing // https://github.com/mpv-player/mpv/wiki/FAQ#X11Intel
	# 1fps in fortresscraft menu on x230
	# [   116.781] (II) AIGLX: Screen 0 is not DRI2 capable [   116.781] (EE) AIGLX: reverting to software rendering
	# maybe it will fix my hanging opengl stuff
	# incompatible with my shitty coreboot w/ x230 fhd mod tho
	Driver "modesetting"	
	Identifier "Card"
	# Maybe it will fix the fucking up fonts problem
	# Maybe it will make hl faster
	# Maybe conflicts with modesetting
	#Option      "AccelMethod"  "uxa"
	# Maybe it will make hl faster
	# nope
	#Option      "AccelMethod"  "sna"
	
	# Maybe it will make hl faster
	# No, it displays nothing
	#Option "DRI" "ilo"
	
	# supposedly will make things faster
	Option "DRI" "3"
EndSection

> Please try to use for option 'Driver' a value 'intel' instead of
> 'modesetting' - just for case to check. Need to reboot.

Do i have to reboot or restarting X will suffice?

Probably, restart should be enough (to check it by inxi -Fx - field 'Display Server: X.Org 1.20.3 driver: ' should be followed by i965 or i915).

(In reply to Sergii Romantsov from comment #8)
> Probably, restart should be enough (to check it by inxi -Fx - field 'Display
> Server: X.Org 1.20.3 driver: ' should be followed by i965 or i915).

It works with intel DDX, but mesa switches to llvmpipe backend then, so i don't have any hardware acceleration in my apps.

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