kern/57268: i915drmkms blank display in X

[mpumford%mudcovered.org.uk@localhost]

>Number:         57268
>Category:       kern
>Synopsis:       i915drmkms blank display in X
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Mar 14 19:00:00 +0000 2023
>Originator:     Mike Pumford
>Release:        NetBSD 10.0_BETA
>Organization:

>Environment:
System: NetBSD trigati.mudcovered.org.uk 10.0_BETA NetBSD 10.0_BETA (GENERIC_FASTHZ) #0: Sat Mar 11 12:38:29 GMT 2023 builder%trigati.mudcovered.org.uk@localhost:/work/netbsd/.jenkins/workspace/NetBSD-10-amd64-build/obj.amd64/sys/arch/amd64/compile/GENERIC_FASTHZ amd64
Architecture: x86_64
Machine: amd64
>Description:
When X is started with start X all the processes start but the screen
remains blank.

Looking at the console messages the following is repeated over and over:
[ 174547.520021] heartbeat bcs0 heartbeat {prio:-2147483645} not ticking
[ 174547.520021] heartbeat      Awake? 4
[ 174547.520021] heartbeat      Barriers?: no
[ 174547.520021] heartbeat      Latency: 53us
[ 174547.520021] heartbeat      Heartbeat: 399368 ms ago
[ 174547.520021] heartbeat      Reset count: 0 (global 268)
[ 174547.520021] heartbeat      Requests:
[ 174547.520021] heartbeat      On hold?: 0
[ 174547.520021] heartbeat      MMIO base:  0x00022000
[ 174547.520021] heartbeat      RING_START: 0x7ffe4000
[ 174547.520021] heartbeat      RING_HEAD:  0x00002578
[ 174547.520021] heartbeat      RING_TAIL:  0x00002578
[ 174547.520021] heartbeat      RING_CTL:   0x00003001
[ 174547.520021] heartbeat      RING_MODE:  0x00000200 [idle]
[ 174547.520021] heartbeat      RING_IMR: ffffffff
[ 174547.520021] heartbeat      ACTHD:  0x00000000_00002578
[ 174547.520021] heartbeat      BBADDR: 0x00000000_00000000
[ 174547.520021] heartbeat      DMA_FADDR: 0x00000000_00000000
[ 174547.521030] heartbeat      IPEIR: 0x00000000
[ 174547.521030] heartbeat      IPEHR: 0x00000000
[ 174547.521030] heartbeat      PP_DIR_BASE: 0x00000000
[ 174547.521030] heartbeat      PP_DIR_BASE_READ: 0x00000000
[ 174547.521030] heartbeat      PP_DIR_DCLV: 0x00000000
[ 174547.521030] heartbeat HWSP:
[ 174547.521030] heartbeat [0000] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 174547.521030] 00000000 00000000 00000000 00000000 00000000 00000000 0
[ 174547.521030] heartbeat *
[ 174547.521030] heartbeat [0100] 12000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 174547.521030] 00000000 00000000 00000000 00000000 00000000 00000000 0
[ 174547.521030] heartbeat [0120] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 174547.521030] 00000000 00000000 00000000 00000000 00000000 00000000 0
[ 174547.521030] heartbeat *
[ 174547.521030] heartbeat Idle? yes
[ 174547.522021] i915drmkms0: notice: Resetting chip for stopped heartbeat on bcs0

This is with the intel driver used in 10.0_BETA X server but with the a 9.3-STABLE X server the modesetting driver shows the same problem.

Xorg.0.log:
[174133.856]
X.Org X Server 1.21.1.7
X Protocol Version 11, Revision 0
[174133.856] Current Operating System: NetBSD trigati.mudcovered.org.uk 10.0_BETA NetBSD 10.0_BETA (GENERIC_FASTHZ) #0: Sat Mar 11 12:38:29 GMT 2023  builder%trigati.mudcovered.org.uk@localhost:/work/netbsd/.jenkins/workspace/NetBSD-10-amd64-build/obj.amd64/sys/arch/amd64/compile/GENERIC_FASTHZ amd64
[174133.856]
[174133.857] Current version of pixman: 0.38.4
[174133.857]    Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
[174133.857] Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[174133.857] (==) Log file: "/var/log/Xorg.0.log", Time: Tue Mar 14 18:43:08 2023
[174133.857] (==) Using config file: "/etc/X11/xorg.conf"
[174133.858] (==) No Layout section.  Using the first Screen section.
[174133.858] (==) No screen section available. Using defaults.
[174133.858] (**) |-->Screen "Default Screen Section" (0)
[174133.858] (**) |   |-->Monitor "<default monitor>"
[174133.859] (==) No monitor specified for screen "Default Screen Section".
        Using a default monitor configuration.
[174133.859] (==) Automatically adding devices
[174133.859] (==) Automatically enabling devices
[174133.859] (==) Not automatically adding GPU devices
[174133.859] (==) Automatically binding GPU devices
[174133.859] (==) Max clients allowed: 256, resource mask: 0x1fffff
[174133.859] (WW) The directory "/usr/pkg/share/fonts/X11/misc/" does not exist.
[174133.859]    Entry deleted from font path.
[174133.859] (WW) The directory "/usr/pkg/share/fonts/X11/Type1/" does not exist.
[174133.859]    Entry deleted from font path.
[174133.859] (WW) The directory "/usr/pkg/share/fonts/X11/75dpi/" does not exist.
[174133.859]    Entry deleted from font path.
[174133.859] (WW) The directory "/usr/pkg/share/fonts/X11/100dpi/" does not exist.
[174133.859]    Entry deleted from font path.
[174133.859] (==) FontPath set to:
        /usr/X11R7/lib/X11/fonts/misc/,
        /usr/X11R7/lib/X11/fonts/TTF/,
        /usr/X11R7/lib/X11/fonts/Type1/,
        /usr/X11R7/lib/X11/fonts/75dpi/,
        /usr/X11R7/lib/X11/fonts/100dpi/,
        /usr/pkg/share/fonts/X11/TTF/
[174133.859] (==) ModulePath set to "/usr/X11R7/lib/modules"
[174133.859] (II) The server relies on wscons to provide the list of input devices.
        If no devices become available, reconfigure wscons or disable AutoAddDevices.
[174133.859] (II) Loader magic: 0x84687a0
[174133.859] (II) Module ABI versions:
[174133.859]    X.Org ANSI C Emulation: 0.4
[174133.859]    X.Org Video Driver: 25.2
[174133.859]    X.Org XInput driver : 24.4
[174133.859]    X.Org Server Extension : 10.0
[174133.874] (--) PCI:*(0@0:2:0) 8086:0412:1043:8534 rev 6, Mem @ 0xdf400000/4194304, 0xc0000000/268435456, I/O @ 0x0000f000/64
[174133.874] (II) LoadModule: "glx"
[174133.875] (II) Loading /usr/X11R7/lib/modules/extensions/libglx.so
[174133.876] (II) Module glx: vendor="X.Org Foundation"
[174133.876]    compiled for 1.21.1.7, module version = 1.0.0
[174133.876]    ABI class: X.Org Server Extension, version 10.0
[174133.876] (==) Matched intel as autoconfigured driver 0
[174133.876] (==) Matched modesetting as autoconfigured driver 1
[174133.876] (==) Matched vesa as autoconfigured driver 2
[174133.876] (==) Matched wsfb as autoconfigured driver 3
[174133.876] (==) Assigned the driver to the xf86ConfigLayout
[174133.876] (II) LoadModule: "intel"
[174133.877] (II) Loading /usr/X11R7/lib/modules/drivers/intel_drv.so
[174133.879] (II) Module intel: vendor="X.Org Foundation"
[174133.879]    compiled for 1.21.1.7, module version = 2.99.917
[174133.879]    Module class: X.Org Video Driver
[174133.879]    ABI class: X.Org Video Driver, version 25.2
[174133.880] (II) LoadModule: "modesetting"
[174133.880] (II) Loading /usr/X11R7/lib/modules/drivers/modesetting_drv.so
[174133.881] (II) Module modesetting: vendor="X.Org Foundation"
[174133.881]    compiled for 1.21.1.7, module version = 1.21.1
[174133.881]    Module class: X.Org Video Driver
[174133.881]    ABI class: X.Org Video Driver, version 25.2
[174133.881] (II) LoadModule: "vesa"
[174133.881] (II) Loading /usr/X11R7/lib/modules/drivers/vesa_drv.so
[174133.882] (II) Module vesa: vendor="X.Org Foundation"
[174133.882]    compiled for 1.21.1.7, module version = 2.5.0
[174133.882]    Module class: X.Org Video Driver
[174133.882]    ABI class: X.Org Video Driver, version 25.2
[174133.882] (II) LoadModule: "wsfb"
[174133.882] (II) Loading /usr/X11R7/lib/modules/drivers/wsfb_drv.so
[174133.883] (II) Module wsfb: vendor="X.Org Foundation"
[174133.883]    compiled for 1.21.1.7, module version = 0.4.0
[174133.883]    ABI class: X.Org Video Driver, version 25.2
[174133.883] (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
[174133.883] (II) intel: Driver for Intel(R) HD Graphics
[174133.883] (II) intel: Driver for Intel(R) Iris(TM) Graphics
[174133.883] (II) intel: Driver for Intel(R) Iris(TM) Pro Graphics
[174133.883] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[174133.883] (II) VESA: driver for VESA chipsets: vesa
[174133.883] (II) wsfb: driver for wsdisplay framebuffer: wsfb
[174133.883] (--) Using wscons driver on /dev/ttyE4 in pcvt compatibility mode (version 3.32)
[174133.883] (--) using VT number 5
[174133.890] (II) intel(0): Using Kernel Mode Setting driver: i915, version 1.6.0 20200114
[174133.891] (WW) Falling back to old probe method for modesetting
[174133.891] (WW) Falling back to old probe method for wsfb
[174133.891] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
[174133.892] (--) intel(0): Integrated Graphics Chipset: Intel(R) HD Graphics 4600
[174133.892] (--) intel(0): CPU: x86-64, sse2, sse3, ssse3, sse4.1, sse4.2, avx, avx2; using a maximum of 4 threads
[174133.892] (II) intel(0): Creating default Display subsection in Screen section
        "Default Screen Section" for depth/fbbpp 24/32
[174133.892] (==) intel(0): Depth 24, (--) framebuffer bpp 32
[174133.892] (==) intel(0): RGB weight 888
[174133.892] (==) intel(0): Default visual is TrueColor
[174133.894] (II) intel(0): Output VGA1 has no monitor section
[174133.894] (II) intel(0): Enabled output VGA1
[174133.894] (II) intel(0): Output HDMI1 has no monitor section
[174133.894] (II) intel(0): Enabled output HDMI1
[174133.894] (II) intel(0): Output DP1 has no monitor section
[174133.894] (II) intel(0): Enabled output DP1
[174133.894] (II) intel(0): Output HDMI2 has no monitor section
[174133.894] (II) intel(0): Enabled output HDMI2
[174133.894] (II) intel(0): Output HDMI3 has no monitor section
[174133.894] (II) intel(0): Enabled output HDMI3
[174133.894] (--) intel(0): Using a maximum size of 256x256 for hardware cursors
[174133.894] (II) intel(0): Output VIRTUAL1 has no monitor section
[174133.894] (II) intel(0): Enabled output VIRTUAL1
[174133.894] (--) intel(0): Output HDMI1 using initial mode 1920x1080 on pipe 0
[174133.894] (--) intel(0): Output HDMI3 using initial mode 1920x1080 on pipe 1
[174133.894] (==) intel(0): TearFree enabled
[174133.894] (==) intel(0): Using gamma correction (1.0, 1.0, 1.0)
[174133.894] (==) intel(0): DPI set to (96, 96)
[174133.895] (II) Loading sub module "dri2"
[174133.895] (II) LoadModule: "dri2"
[174133.895] (II) Module "dri2" already built-in
[174133.895] (II) UnloadModule: "modesetting"
[174133.895] (II) Unloading modesetting
[174133.895] (II) UnloadModule: "vesa"
[174133.895] (II) Unloading vesa
[174133.895] (II) UnloadModule: "wsfb"
[174133.895] (II) Unloading wsfb
[174133.897] (II) intel(0): SNA initialized with Haswell (gen7.5, gt2) backend
[174133.897] (==) intel(0): Backing store enabled
[174133.897] (==) intel(0): Silken mouse enabled
[174133.897] (II) intel(0): HW Cursor enabled
[174133.898] (==) intel(0): DPMS enabled
[174133.899] (II) intel(0): [DRI2] Setup complete
[174133.899] (II) intel(0): [DRI2]   DRI driver: i965
[174133.899] (II) intel(0): [DRI2]   VDPAU driver: va_gl
[174133.899] (II) intel(0): direct rendering: DRI2 enabled
[174133.899] (II) Initializing extension Generic Event Extension
[174133.899] (II) Initializing extension SHAPE
[174133.899] (II) Initializing extension MIT-SHM
[174133.900] (II) Initializing extension XInputExtension
[174133.901] (II) Initializing extension XTEST
[174133.901] (II) Initializing extension BIG-REQUESTS
[174133.902] (II) Initializing extension SYNC
[174133.902] (II) Initializing extension XKEYBOARD
[174133.903] (II) Initializing extension XC-MISC
[174133.903] (II) Initializing extension SECURITY
[174133.904] (II) Initializing extension XFIXES
[174133.904] (II) Initializing extension XFree86-Bigfont
[174133.905] (II) Initializing extension RENDER
[174133.905] (II) Initializing extension RANDR
[174133.906] (II) Initializing extension COMPOSITE
[174133.907] (II) Initializing extension DAMAGE
[174133.907] (II) Initializing extension MIT-SCREEN-SAVER
[174133.907] (II) Initializing extension DOUBLE-BUFFER
[174133.908] (II) Initializing extension RECORD
[174133.908] (II) Initializing extension DPMS
[174133.909] (II) Initializing extension Present
[174133.910] (II) Initializing extension DRI3
[174133.910] (II) Initializing extension X-Resource
[174133.910] (II) Initializing extension XVideo
[174133.910] (II) Initializing extension XVideo-MotionCompensation
[174133.910] (II) Initializing extension GLX
[174133.938] (II) AIGLX: Loaded and initialized i965
[174133.939] (II) GLX: Initialized DRI2 GL provider for screen 0
[174133.939] (II) Initializing extension XFree86-VidModeExtension
[174133.939] (II) Initializing extension XFree86-DGA
[174133.939] (II) Initializing extension XFree86-DRI
[174133.939] (II) Initializing extension DRI2
[174133.951] (II) intel(0): switch to mode 1920x1080@60.0 on HDMI1 using pipe 0, position (0, 0), rotation normal, reflection none
[174133.956] (II) intel(0): switch to mode 1920x1080@60.0 on HDMI3 using pipe 1, position (0, 0), rotation normal, reflection none
[174133.973] (II) intel(0): Setting screen physical size to 508 x 285
[174134.111] (II) config/wscons: checking input device /dev/wskbd
[174134.111] (II) wskbd: using layout gb
[174134.111] (II) LoadModule: "kbd"
[174134.112] (II) Loading /usr/X11R7/lib/modules/drivers/kbd_drv.so
[174134.112] (II) Module kbd: vendor="X.Org Foundation"
[174134.112]    compiled for 1.21.1.7, module version = 2.0.0
[174134.112]    Module class: X.Org XInput Driver
[174134.112]    ABI class: X.Org XInput driver, version 24.4
[174134.112] (II) Using input driver 'kbd' for '/dev/wskbd'
[174134.112] (**) /dev/wskbd: always reports core events
[174134.112] (**) /dev/wskbd: always reports core events
[174134.112] (**) Option "Protocol" "standard"
[174134.112] (**) Option "XkbRules" "base"
[174134.112] (**) Option "XkbModel" "pc105"
[174134.112] (**) Option "XkbLayout" "gb"
[174134.112] (II) XINPUT: Adding extended input device "/dev/wskbd" (type: KEYBOARD, id 6)
[174134.145] (II) config/wscons: checking input device /dev/wsmouse
[174134.145] (II) LoadModule: "ws"
[174134.146] (II) Loading /usr/X11R7/lib/modules/drivers/ws_drv.so
[174134.146] (II) Module ws: vendor="X.Org Foundation"
[174134.146]    compiled for 1.21.1.7, module version = 1.3.0
[174134.146]    Module class: X.Org XInput Driver
[174134.146]    ABI class: X.Org XInput driver, version 24.4
[174134.146] (II) Using input driver 'ws' for '/dev/wsmouse'
[174134.146] (**) /dev/wsmouse: always reports core events
[174134.146] (II) /dev/wsmouse: debuglevel 0
[174134.146] (**) /dev/wsmouse: ZAxisMapping: buttons 4 and 5
[174134.146] (**) /dev/wsmouse associated screen: 0
[174134.146] (**) Option "Device" "/dev/wsmouse"
[174134.147] (II) /dev/wsmouse minimum x position: 0
[174134.147] (II) /dev/wsmouse maximum x position: 1919
[174134.147] (II) /dev/wsmouse minimum y position: 0
[174134.147] (II) /dev/wsmouse maximum y position: 1079
[174134.147] (**) /dev/wsmouse: Buttons: 5
[174134.149] (II) XINPUT: Adding extended input device "/dev/wsmouse" (type: MOUSE, id 7)
[174134.149] (**) /dev/wsmouse: (accel) keeping acceleration scheme 1
[174134.149] (**) /dev/wsmouse: (accel) acceleration profile 0
[174134.150] (**) /dev/wsmouse: (accel) acceleration factor: 2.000
[174134.150] (**) /dev/wsmouse: (accel) acceleration threshold: 4
[174134.234] (II) intel(0): resizing framebuffer to 3840x1080
[174134.273] (II) intel(0): switch to mode 1920x1080@60.0 on HDMI1 using pipe 0, position (1920, 0), rotation normal, reflection none
[174145.015] (--) intel(0): HDMI max TMDS frequency 210000KHz
[174145.043] (--) intel(0): HDMI max TMDS frequency 210000KHz


System console works correctly until X is started but doesn't recover when X is killed.

This is a regression from 9.3 stable where X worked perfectly.
 

>How-To-Repeat:
      Run startx on a system with:
cpu0: Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz, id 0x306c3
i915drmkms0 at pci0 dev 2 function 0: Intel Haswell Integrated Graphics Device (rev. 0x06)

>Fix:
None known.