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From: bugzilla-noreply@freebsd.org
To: x11@FreeBSD.org
Subject: maintainer-feedback requested: [Bug 278639] graphics/drm-515-kmod:
 System freezes up loading "i915kms.ko" on Alder Lake-S (Core i7)
Date: Sun, 28 Apr 2024 16:13:19 +0000
X-Bugzilla-Type: request
X-Bugzilla-Product: Ports & Packages
X-Bugzilla-Component: Individual Port(s)
X-Bugzilla-Version: Latest
X-Bugzilla-Keywords: i915
X-Bugzilla-Severity: Affects Some People
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X-Bugzilla-Status: New
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X-Bugzilla-Priority: ---
X-Bugzilla-Assigned-To: x11@FreeBSD.org
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Message-ID: <bug-278639-7141-SUAedUenCS@https.bugs.freebsd.org/bugzilla/>
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Bugzilla Automation <bugzilla@FreeBSD.org> has asked freebsd-x11 (Nobody)
<x11@FreeBSD.org> for maintainer-feedback:
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=3D278639



--- Description ---
FreeBSD mystic.seibercom.net 14.0-RELEASE-p6 FreeBSD 14.0-RELEASE-p6 #0: Tue
Mar 26 20:26:20 UTC 2024=20=20=20=20
root@amd64-builder.daemonology.net:/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=3D"/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" optio=
n on
bootup.

The last output in the dmesg file before the system freezes up using
kld_list=3D"/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=C2=B0C 	  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