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drm driver for FreeBSD
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drm-kmod crash on i915kms when Xorg is loaded #81

Closed neelchauhan closed 3 years ago

neelchauhan commented 3 years ago

Describe the bug

When I load i915kms and then gdm, I get a coredump. This happens on the first boot, but not subsequent boots.

Coredump:

I am using Xorg. The system is a HP Spectre x360 13-ap0053dx (WhiskeyLake).

FreeBSD version

FreeBSD spectre.local 14.0-CURRENT FreeBSD 14.0-CURRENT #0 main-n246975-8d5c7813061: Thu May 27 09:39:01 UTC 2021     root@releng1.nyi.freebsd.org:/usr/obj/usr/src/amd64.amd64/sys/GENERIC  amd64

PCI Info

hostb0@pci0:0:0:0:  class=0x060000 rev=0x0b hdr=0x00 vendor=0x8086 device=0x3e34 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Coffee Lake HOST and DRAM Controller'
    class      = bridge
    subclass   = HOST-PCI
vgapci0@pci0:0:2:0: class=0x030000 rev=0x00 hdr=0x00 vendor=0x8086     device=0x3ea0 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'WhiskeyLake-U GT2 [UHD Graphics 620]'
    class      = display
    subclass   = VGA
none0@pci0:0:4:0:   class=0x118000 rev=0x0b hdr=0x00 vendor=0x8086 device=0x1903 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem'
    class      = dasp
pchtherm0@pci0:0:18:0:  class=0x118000 rev=0x30 hdr=0x00 vendor=0x8086 device=0x9df9 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Cannon Point-LP Thermal Controller'
    class      = dasp
none1@pci0:0:19:0:  class=0x070000 rev=0x30 hdr=0x00 vendor=0x8086 device=0x9dfc subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Cannon Point-LP Integrated Sensor Hub'
    class      = simple comms
    subclass   = UART
xhci0@pci0:0:20:0:  class=0x0c0330 rev=0x30 hdr=0x00 vendor=0x8086 device=0x9ded subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Cannon Point-LP USB 3.1 xHCI Controller'
    class      = serial bus
    subclass   = USB
none2@pci0:0:20:2:  class=0x050000 rev=0x30 hdr=0x00 vendor=0x8086 device=0x9def subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Cannon Point-LP Shared SRAM'
    class      = memory
    subclass   = RAM
iwm0@pci0:0:20:3:   class=0x028000 rev=0x30 hdr=0x00 vendor=0x8086 device=0x9df0 subvendor=0x8086 subdevice=0x0034
    vendor     = 'Intel Corporation'
    device     = 'Cannon Point-LP CNVi [Wireless-AC]'
    class      = network
ig4iic0@pci0:0:21:0:    class=0x0c8000 rev=0x30 hdr=0x00 vendor=0x8086 device=0x9de8 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Cannon Point-LP Serial IO I2C Controller'
    class      = serial bus
ig4iic1@pci0:0:21:1:    class=0x0c8000 rev=0x30 hdr=0x00 vendor=0x8086 device=0x9de9 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Cannon Point-LP Serial IO I2C Controller'
    class      = serial bus
none3@pci0:0:22:0:  class=0x078000 rev=0x30 hdr=0x00 vendor=0x8086 device=0x9de0 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Cannon Point-LP MEI Controller'
    class      = simple comms
ahci0@pci0:0:23:0:  class=0x010400 rev=0x30 hdr=0x00 vendor=0x8086 device=0x282a subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = '82801 Mobile SATA Controller [RAID mode]'
    class      = mass storage
    subclass   = RAID
pcib1@pci0:0:28:0:  class=0x060400 rev=0xf0 hdr=0x01 vendor=0x8086 device=0x9dba subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    class      = bridge
    subclass   = PCI-PCI
pcib2@pci0:0:28:4:  class=0x060400 rev=0xf0 hdr=0x01 vendor=0x8086 device=0x9dbc subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Cannon Point-LP PCI Express Root Port'
    class      = bridge
    subclass   = PCI-PCI
pcib8@pci0:0:29:0:  class=0x060400 rev=0xf0 hdr=0x01 vendor=0x8086 device=0x9db4 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Cannon Point-LP PCI Express Root Port'
    class      = bridge
    subclass   = PCI-PCI
pcib9@pci0:0:29:6:  class=0x060400 rev=0xf0 hdr=0x01 vendor=0x8086 device=0x9db6 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Cannon Point-LP PCI Express Root Port'
    class      = bridge
    subclass   = PCI-PCI
isab0@pci0:0:31:0:  class=0x060100 rev=0x30 hdr=0x00 vendor=0x8086 device=0x9d84 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Cannon Point-LP LPC Controller'
    class      = bridge
    subclass   = PCI-ISA
hdac0@pci0:0:31:3:  class=0x040100 rev=0x30 hdr=0x00 vendor=0x8086 device=0x9dc8 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Cannon Point-LP High Definition Audio Controller'
    class      = multimedia
    subclass   = audio
none4@pci0:0:31:4:  class=0x0c0500 rev=0x30 hdr=0x00 vendor=0x8086 device=0x9da3 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Cannon Point-LP SMBus Controller'
    class      = serial bus
    subclass   = SMBus
none5@pci0:0:31:5:  class=0x0c8000 rev=0x30 hdr=0x00 vendor=0x8086 device=0x9da4 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'Cannon Point-LP SPI Controller'
    class      = serial bus
rtsx0@pci0:1:0:0:   class=0xff0000 rev=0x01 hdr=0x00 vendor=0x10ec device=0x525a subvendor=0x103c subdevice=0x8514
    vendor     = 'Realtek Semiconductor Co., Ltd.'
    device     = 'RTS525A PCI Express Card Reader'
pcib3@pci0:2:0:0:   class=0x060400 rev=0x02 hdr=0x01 vendor=0x8086 device=0x15d3 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016]'
    class      = bridge
    subclass   = PCI-PCI
pcib4@pci0:3:0:0:   class=0x060400 rev=0x02 hdr=0x01 vendor=0x8086 device=0x15d3 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016]'
    class      = bridge
    subclass   = PCI-PCI
pcib5@pci0:3:1:0:   class=0x060400 rev=0x02 hdr=0x01 vendor=0x8086 device=0x15d3 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016]'
    class      = bridge
    subclass   = PCI-PCI
pcib6@pci0:3:2:0:   class=0x060400 rev=0x02 hdr=0x01 vendor=0x8086 device=0x15d3 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016]'
    class      = bridge
    subclass   = PCI-PCI
pcib7@pci0:3:4:0:   class=0x060400 rev=0x02 hdr=0x01 vendor=0x8086 device=0x15d3 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016]'
    class      = bridge
    subclass   = PCI-PCI
none6@pci0:4:0:0:   class=0x088000 rev=0x02 hdr=0x00 vendor=0x8086 device=0x15d2 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'JHL6540 Thunderbolt 3 NHI (C step) [Alpine Ridge 4C 2016]'
    class      = base peripheral
xhci1@pci0:56:0:0:  class=0x0c0330 rev=0x02 hdr=0x00 vendor=0x8086 device=0x15d4 subvendor=0x103c subdevice=0x8514
    vendor     = 'Intel Corporation'
    device     = 'JHL6540 Thunderbolt 3 USB Controller (C step) [Alpine Ridge 4C 2016]'
    class      = serial bus
    subclass   = USB
nvme0@pci0:109:0:0: class=0x010802 rev=0x03 hdr=0x00 vendor=0x8086 device=0x0975 subvendor=0x8086 subdevice=0x8410
    vendor     = 'Intel Corporation'
    class      = mass storage
    subclass   = NVM
nvme1@pci0:110:0:0: class=0x010802 rev=0x00 hdr=0x00 vendor=0x8086 device=0x0975 subvendor=0x8086 subdevice=0x8510
    vendor     = 'Intel Corporation'
    class      = mass storage
    subclass   = NVM

DRM KMOD version

5.5-wip branch, but with cherry-picked e5194b8949b316adfcda4895fc117cf1045d9336 and b8a85669f61ffea54860a76f72b8c5c0bb647127 to unbreak the build.

To Reproduce

  1. Checkout 5.5-wip branch.
  2. Cherry pick commits e5194b8949b316adfcda4895fc117cf1045d9336 and b8a85669f61ffea54860a76f72b8c5c0bb647127 from master.
  3. make DEBUG_FLAGS=-g3 and make install the module
  4. kldload i915kms and gdm
  5. On the first boot, it should panic.

Screenshots

N/A.

Additional context

This happens (on my Spectre) on the first boot. Subsequent reboots after the first panic are not affected for me, and I can use gdm, gnome, firefox (WebGL fish), wine (Toontown Rewritten) normally.

@evadot has mentioned there is a crash when running Xorg or Weston, and I believe this is the same issue manifested differently.

neelchauhan commented 3 years ago

New coredump: core.1.txt

Previous one lacked debugging symbols, sorry.

evadot commented 3 years ago

This have been fixed since. Closing.