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Re: i915 observations



On Sun, Dec 18, 2022 at 11:35:26PM +0000, RVP wrote:
> In any case, do your tests after forcing `UXA' on Linux too.

Following things are weird:

On Linux:

If I do NOT have xorg.conf startx works.

But if I generate one using X -configure then it doesn't (no matter I set
UXA or not).

I do not know if there is a way to make a running X dump its conf. I
searched for it, though could not find.

Attaching log, with xorg.conf present on Linux.

This is grep -w EE of the log with up to EE) trimmed to keep it short

    AIGLX error: dlopen of /usr/lib64/dri/i965_dri.so failed (/usr/lib64/dri/i965_dri.so: cannot open shared object file: No such file or directory)
    AIGLX error: unable to load driver i965
    
    Backtrace:
    0: /usr/libexec/Xorg (xorg_backtrace+0x7d) [0x55bec268d9cd]
    1: /usr/libexec/Xorg (0x55bec2549000+0x14f9b5) [0x55bec26989b5]
    2: /usr/lib/libpthread.so.0 (0x7f976534f000+0x13900) [0x7f9765362900]
    3: /usr/libexec/Xorg (xf86OptionValue+0x7) [0x55bec26a4cf7]
    4: /usr/lib64/xorg/modules/extensions/libvnc.so (0x7f9764862000+0x362c0) [0x7f97648982c0]
    5: /usr/libexec/Xorg (InitExtensions+0x89) [0x55bec2590329]
    6: /usr/libexec/Xorg (0x55bec2549000+0x3aa3e) [0x55bec2583a3e]
    7: /usr/lib/libc.so.6 (__libc_start_main+0xea) [0x7f9764e61e0a]
    8: /usr/libexec/Xorg (_start+0x2a) [0x55bec2584e0a]
    
    Segmentation fault at address 0x100000011
    
    Caught signal 11 (Segmentation fault). Server aborting
    
    
    Please also check the log file at "/var/log/Xorg.1.log" for additional information.
    
    Server terminated with error (1). Closing log file.


BTW /usr/lib64/dri/i965_dri.so is actually present.

I'd rather not chase Linux specific issues. I'd use Linux to the extent of
differentially diagnosing the problems with X11 on NetBSD, but looks like
it's not helping much in that and adding its own mysteries that may
digress us.


-- 
Mayuresh
[   428.190] 
X.Org X Server 1.21.1.4
X Protocol Version 11, Revision 0
[   428.191] Current Operating System: Linux asus2 6.0.10_1 #1 SMP PREEMPT_DYNAMIC Mon Nov 28 03:42:58 UTC 2022 x86_64
[   428.191] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-6.0.10_1 root=UUID=4147e9fb-400b-449c-a1b0-a64b6b720900 ro loglevel=4
[   428.193]  
[   428.193] Current version of pixman: 0.40.0
[   428.195] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[   428.195] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[   428.198] (==) Log file: "/var/log/Xorg.1.log", Time: Mon Dec 19 21:09:23 2022
[   428.199] (==) Using config file: "/etc/X11/xorg.conf"
[   428.199] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[   428.200] (==) ServerLayout "X.org Configured"
[   428.200] (**) |-->Screen "Screen0" (0)
[   428.200] (**) |   |-->Monitor "Monitor0"
[   428.200] (**) |   |-->Device "Card0"
[   428.200] (**) |-->Input Device "Mouse0"
[   428.200] (**) |-->Input Device "Keyboard0"
[   428.200] (==) Automatically adding devices
[   428.200] (==) Automatically enabling devices
[   428.200] (==) Automatically adding GPU devices
[   428.200] (==) Automatically binding GPU devices
[   428.200] (==) Max clients allowed: 256, resource mask: 0x1fffff
[   428.200] (WW) The directory "/usr/share/fonts/X11/OTF" does not exist.
[   428.200] 	Entry deleted from font path.
[   428.200] (WW) The directory "/usr/share/fonts/X11/OTF" does not exist.
[   428.200] 	Entry deleted from font path.
[   428.200] (**) FontPath set to:
	/usr/share/fonts/X11/misc,
	/usr/share/fonts/X11/TTF,
	/usr/share/fonts/X11/Type1,
	/usr/share/fonts/X11/100dpi,
	/usr/share/fonts/X11/75dpi,
	/usr/share/fonts/X11/misc,
	/usr/share/fonts/X11/TTF,
	/usr/share/fonts/X11/Type1,
	/usr/share/fonts/X11/100dpi,
	/usr/share/fonts/X11/75dpi
[   428.200] (**) ModulePath set to "/usr/lib64/xorg/modules"
[   428.200] (WW) Hotplugging is on, devices using drivers 'kbd', 'mouse' or 'vmmouse' will be disabled.
[   428.200] (WW) Disabling Mouse0
[   428.200] (WW) Disabling Keyboard0
[   428.200] (II) Module ABI versions:
[   428.200] 	X.Org ANSI C Emulation: 0.4
[   428.200] 	X.Org Video Driver: 25.2
[   428.200] 	X.Org XInput driver : 24.4
[   428.200] 	X.Org Server Extension : 10.0
[   428.201] (II) xfree86: Adding drm device (/dev/dri/card0)
[   428.201] (II) Platform probe for /sys/devices/pci0000:00/0000:00:02.0/drm/card0
[   428.219] (--) PCI:*(0@0:2:0) 8086:3184:1043:1232 rev 6, Mem @ 0xa0000000/16777216, 0x90000000/268435456, I/O @ 0x0000f000/64, BIOS @ 0x????????/131072
[   428.219] (II) Open ACPI successful (/var/run/acpid.socket)
[   428.219] (II) "glx" will be loaded. This was enabled by default and also specified in the config file.
[   428.219] (II) LoadModule: "glx"
[   428.219] (II) Loading /usr/lib64/xorg/modules/extensions/libglx.so
[   428.221] (II) Module glx: vendor="X.Org Foundation"
[   428.221] 	compiled for 1.21.1.4, module version = 1.0.0
[   428.221] 	ABI class: X.Org Server Extension, version 10.0
[   428.221] (II) LoadModule: "vnc"
[   428.221] (II) Loading /usr/lib64/xorg/modules/extensions/libvnc.so
[   428.229] (II) Module vnc: vendor="TigerVNC Project"
[   428.229] 	compiled for 1.20.0, module version = 1.0.0
[   428.229] 	Module class: X.Org Server Extension
[   428.229] 	ABI class: X.Org Server Extension, version 10.0
[   428.229] (II) LoadModule: "intel"
[   428.229] (II) Loading /usr/lib64/xorg/modules/drivers/intel_drv.so
[   428.229] (II) Module intel: vendor="X.Org Foundation"
[   428.229] 	compiled for 1.21.1.3, module version = 2.99.917
[   428.229] 	Module class: X.Org Video Driver
[   428.229] 	ABI class: X.Org Video Driver, version 25.2
[   428.229] (II) intel: Driver for Intel(R) Integrated Graphics Chipsets:
	i810, i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G,
	915G, E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM,
	Pineview G, 965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33,
	GM45, 4 Series, G45/G43, Q45/Q43, G41, B43
[   428.230] (II) intel: Driver for Intel(R) HD Graphics
[   428.230] (II) intel: Driver for Intel(R) Iris(TM) Graphics
[   428.230] (II) intel: Driver for Intel(R) Iris(TM) Pro Graphics
[   428.230] (++) using VT number 2

[   428.230] (II) intel(0): Using Kernel Mode Setting driver: i915, version 1.6.0 20201103
[   428.231] (--) intel(0): gen9 engineering sample
[   428.231] (--) intel(0): CPU: x86-64, sse2, sse3, ssse3, sse4.1, sse4.2; using a maximum of 4 threads
[   428.231] (==) intel(0): Depth 24, (--) framebuffer bpp 32
[   428.231] (==) intel(0): RGB weight 888
[   428.231] (==) intel(0): Default visual is TrueColor
[   428.232] (II) intel(0): Output eDP1 using monitor section Monitor0
[   428.232] (**) intel(0): Found backlight control interface intel_backlight (type 'raw') for output eDP1
[   428.232] (II) intel(0): Enabled output eDP1
[   428.232] (II) intel(0): Output HDMI1 has no monitor section
[   428.232] (II) intel(0): Enabled output HDMI1
[   428.232] (--) intel(0): Using a maximum size of 256x256 for hardware cursors
[   428.232] (II) intel(0): Output VIRTUAL1 has no monitor section
[   428.232] (II) intel(0): Enabled output VIRTUAL1
[   428.232] (--) intel(0): Output eDP1 using initial mode 1366x768 on pipe 0
[   428.232] (--) intel(0): Output HDMI1 using initial mode 1280x720 on pipe 1
[   428.232] (==) intel(0): TearFree enabled
[   428.232] (==) intel(0): Using gamma correction (1.0, 1.0, 1.0)
[   428.232] (==) intel(0): DPI set to (96, 96)
[   428.232] (II) Loading sub module "dri3"
[   428.233] (II) LoadModule: "dri3"
[   428.233] (II) Module "dri3" already built-in
[   428.233] (II) Loading sub module "dri2"
[   428.233] (II) LoadModule: "dri2"
[   428.233] (II) Module "dri2" already built-in
[   428.233] (II) Loading sub module "present"
[   428.233] (II) LoadModule: "present"
[   428.233] (II) Module "present" already built-in
[   428.233] (II) intel(0): SNA initialized with Geminilake (gen9) backend
[   428.233] (==) intel(0): Backing store enabled
[   428.233] (==) intel(0): Silken mouse enabled
[   428.233] (II) intel(0): HW Cursor enabled
[   428.233] (==) intel(0): DPMS enabled
[   428.233] (==) intel(0): Display hotplug detection enabled
[   428.233] (II) intel(0): [DRI2] Setup complete
[   428.233] (II) intel(0): [DRI2]   DRI driver: i965
[   428.233] (II) intel(0): [DRI2]   VDPAU driver: va_gl
[   428.233] (II) intel(0): direct rendering: DRI2 DRI3 enabled
[   428.233] (II) intel(0): hardware support for Present enabled
[   428.233] (II) Initializing extension Generic Event Extension
[   428.234] (II) Initializing extension SHAPE
[   428.234] (II) Initializing extension MIT-SHM
[   428.234] (II) Initializing extension XInputExtension
[   428.234] (II) Initializing extension XTEST
[   428.234] (II) Initializing extension BIG-REQUESTS
[   428.235] (II) Initializing extension SYNC
[   428.235] (II) Initializing extension XKEYBOARD
[   428.235] (II) Initializing extension XC-MISC
[   428.235] (II) Initializing extension SECURITY
[   428.235] (II) Initializing extension XFIXES
[   428.235] (II) Initializing extension RENDER
[   428.235] (II) Initializing extension RANDR
[   428.236] (II) Initializing extension COMPOSITE
[   428.236] (II) Initializing extension DAMAGE
[   428.236] (II) Initializing extension MIT-SCREEN-SAVER
[   428.236] (II) Initializing extension DOUBLE-BUFFER
[   428.236] (II) Initializing extension RECORD
[   428.236] (II) Initializing extension DPMS
[   428.237] (II) Initializing extension Present
[   428.237] (II) Initializing extension DRI3
[   428.237] (II) Initializing extension X-Resource
[   428.237] (II) Initializing extension XVideo
[   428.237] (II) Initializing extension XVideo-MotionCompensation
[   428.237] (II) Initializing extension GLX
[   428.237] (EE) AIGLX error: dlopen of /usr/lib64/dri/i965_dri.so failed (/usr/lib64/dri/i965_dri.so: cannot open shared object file: No such file or directory)
[   428.237] (EE) AIGLX error: unable to load driver i965
[   428.295] (II) IGLX: Loaded and initialized swrast
[   428.295] (II) GLX: Initialized DRISWRAST GL provider for screen 0
[   428.295] (II) Initializing extension XFree86-VidModeExtension
[   428.295] (II) Initializing extension XFree86-DGA
[   428.295] (II) Initializing extension XFree86-DRI
[   428.295] (II) Initializing extension DRI2
[   428.295] (II) Initializing extension VNC
[   428.296] (EE) 
[   428.296] (EE) Backtrace:
[   428.296] (EE) 0: /usr/libexec/Xorg (xorg_backtrace+0x7d) [0x55bec268d9cd]
[   428.296] (EE) 1: /usr/libexec/Xorg (0x55bec2549000+0x14f9b5) [0x55bec26989b5]
[   428.296] (EE) 2: /usr/lib/libpthread.so.0 (0x7f976534f000+0x13900) [0x7f9765362900]
[   428.296] (EE) 3: /usr/libexec/Xorg (xf86OptionValue+0x7) [0x55bec26a4cf7]
[   428.296] (EE) 4: /usr/lib64/xorg/modules/extensions/libvnc.so (0x7f9764862000+0x362c0) [0x7f97648982c0]
[   428.296] (EE) 5: /usr/libexec/Xorg (InitExtensions+0x89) [0x55bec2590329]
[   428.296] (EE) 6: /usr/libexec/Xorg (0x55bec2549000+0x3aa3e) [0x55bec2583a3e]
[   428.296] (EE) 7: /usr/lib/libc.so.6 (__libc_start_main+0xea) [0x7f9764e61e0a]
[   428.296] (EE) 8: /usr/libexec/Xorg (_start+0x2a) [0x55bec2584e0a]
[   428.296] (EE) 
[   428.296] (EE) Segmentation fault at address 0x100000011
[   428.296] (EE) 
Fatal server error:
[   428.296] (EE) Caught signal 11 (Segmentation fault). Server aborting
[   428.296] (EE) 
[   428.296] (EE) 
Please consult the The X.Org Foundation support 
	 at http://wiki.x.org
 for help. 
[   428.296] (EE) Please also check the log file at "/var/log/Xorg.1.log" for additional information.
[   428.296] (EE) 
[   428.334] (EE) Server terminated with error (1). Closing log file.


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