[Bug 278639] graphics/drm-515-kmod: System freezes up loading "i915kms.ko" on Alder Lake-S (Core i7)

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278639

            Bug ID: 278639
           Summary: graphics/drm-515-kmod: System freezes up loading
                    "i915kms.ko" on Alder Lake-S (Core i7)
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Keywords: i915
          Severity: Affects Some People
          Priority: ---
         Component: Individual Port(s)
          Assignee: [email protected]
          Reporter: [email protected]
             Flags: maintainer-feedback?([email protected])
          Assignee: [email protected]

Created attachment 250283
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=250283&action=edit
dmesg file with -v option without loading the i919ms.ko module

FreeBSD mystic.seibercom.net 14.0-RELEASE-p6 FreeBSD 14.0-RELEASE-p6 #0: Tue
Mar 26 20:26:20 UTC 2024    
[email protected]:/usr/obj/usr/src/amd64.amd64/sys/GENERIC
amd64

I cannot load the "/boot/modules/i915kms.ko" module I have tried loading it via
the rc.config file: kld_list="/boot/modules/i915kms.ko"
and via kldload -v "/boot/modules/i915kms.ko" Both instanses freeze up the
machine immediatly. The only way to get control is to manually shutdown the
system.

Attempting to use kldload -v /boot/modules/i915kms.ko produces this output:
iic0: <12C generic I/O> on iicbus0
The system then immediately freezes up.

I have attached a copy of the output of "dmesg" created with the "-v" option on
bootup.

The last output in the dmesg file before the system freezes up using
kld_list="/boot/modules/i915kms.ko"

        Loading KernelModules
        1indebugfs registered

I build the module with poudriere (graphics/drm-515-kmod). I also installed
(graphics/drm-kmod) because I thought that I was missing some module.

This is the output of kldstat -h
~ $ kldstat -h
Id Refs Address             Size Name
 1   77 0xffffffff80200000   29M kernel
 2    1 0xffffffff81f35000  157K fusefs.ko
 3    1 0xffffffff81f5d000  5.8M zfs.ko
 4    1 0xffffffff82534000   30K cryptodev.ko
 5    1 0xffffffff83110000   13K acpi_wmi.ko
 6    1 0xffffffff83114000   13K ichsmb.ko
 7    1 0xffffffff83118000  8.4K smbus.ko
 8    1 0xffffffff8311b000   24K ig4.ko
 9    1 0xffffffff83121000   13K uhid.ko
10    1 0xffffffff83125000   17K ums.ko
11    1 0xffffffff8312a000   13K usbhid.ko
12    1 0xffffffff8312e000   13K hidbus.ko
13    1 0xffffffff83132000   19K ng_ubt.ko
14    6 0xffffffff83137000   43K netgraph.ko
15    2 0xffffffff83142000   41K ng_hci.ko
16    4 0xffffffff8314d000  9.6K ng_bluetooth.ko
17    1 0xffffffff83150000   57K ng_l2cap.ko
18    1 0xffffffff8315f000  112K ng_btsocket.ko
19    1 0xffffffff8317b000   14K ng_socket.ko
20    1 0xffffffff8317f000   26K cuse.ko
21    1 0xffffffff83186000  161K ipfw.ko
22    1 0xffffffff831af000   11K mac_ntpd.ko
23    1 0xffffffff831b2000   13K fdescfs.ko

This is the output from "cpu-x"
CPU
xx        Vendor: Intel                                                   xx
xx     Code Name: Alder Lake-S (Core i7)                                  xx
xx       Package: U3E1                                                    xx
xx    Technology: Intel 7     Voltage: 0.900 V                            xx
xx Specification: 12th Gen Intel(R) Core(TM) i7-12700                     xx
xx        Family: 0x6           Model: 0x7          Temp.: 33°C           xx
xx  Disp. Family: 0x6     Disp. Model: 0x97      Stepping: 2              xx
xx  Instructions: HT, MMX, SSE(1, 2, 3, 3S, 4.1, 4.2), AVX(1, 2), FMA(3), xx
xx                AES, CLMUL, RdRand, SHA, VT-x, x86-64                   xx
xmqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqjx
xlqClocksqqqqqqqqqqqqqqqqqqqqqqqqqqqqklqCacheqqqqqqqqqqqqqqqqqqqqqqqqqqqqqkx
xx    Core Speed: 2110 MHz           xx     L1 Data: 8 x 48 kB, 12-way    xx
xx    Multiplier: x21.0 (8-49)       xx    L1 Inst.: 8 x 32 kB, 8-way     xx
xx     Bus Speed: 100.47 MHz         xx     Level 2: 8 x 1280 kB, 10-way  xx
xx         Usage:   1.02 %           xx     Level 3: 25 MB, 10-way        xx
xmqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqjmqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqjx
xlqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqkx
xx  Type #0       P-core #0         Cores:  8         Threads: 16         xx
xmqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqjx

Graphics
xlqCard 0qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqkx
xx      Vendor: Intel                        Driver:                      xx
xx UMD Version:                                                           xx
xx       Model: AlderLake-S GT1                                           xx
xx Compute Unit:                    DeviceID: 0x4680:0x0C                 xx

Card
xlqCardsqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqkx
xx #0: AlderLake-S GT1                                                    xx

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