Backtrace

WARNING: CPU: 3 PID: 1 at drivers/iommu/intel/iommu.c:4613 check_tylersburg_isoch+0x101/0x140
Modules linked in:
CPU: 3 UID: 0 PID: 1 Comm: swapper/0 Tainted: G          I         6.15.5-200.fc42.x86_64 #1 PREEMPT(lazy) 
Tainted: [I]=FIRMWARE_WORKAROUND
Hardware name: System manufacturer System Product Name/P6T SE, BIOS 0908    09/21/2010
RIP: 0010:check_tylersburg_isoch+0x101/0x140
Code: 48 89 c5 e8 01 90 e2 fd bf 01 00 00 00 48 89 c3 e8 f4 8f e2 fd 48 89 e9 48 89 da 48 c7 c7 78 52 6c aa 48 89 c6 e8 3f c5 06 fd <0f> 0b 83 0d b2 79 67 00 04 eb 0c 48 c7 c7 f0 52 6c aa e8 18 69 eb
RSP: 0000:ffffd40bc0023de8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffffac40001c RCX: 0000000000000003
RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffffffffab08bb80
RBP: ffffffffac400060 R08: 0000000000000000 R09: ffffd40bc0023c90
R10: ffffffffab13bb88 R11: 00000000ffffdfff R12: 0000090000000000
R13: ffffffffabaec2a0 R14: 0000000000000006 R15: 00000000000001e6
FS:  0000000000000000(0000) GS:ffff8bd1237f0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001a122e000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 init_dmars+0x170/0x230
 intel_iommu_init+0x28e/0x5d0
 ? __pfx_pci_iommu_init+0x10/0x10
 ? __pfx_pci_iommu_init+0x10/0x10
 pci_iommu_init+0x12/0x40
 do_one_initcall+0x5b/0x300
 do_initcalls+0x148/0x170
 ? __pfx_kernel_init+0x10/0x10
 kernel_init_freeable+0xf6/0x130
 kernel_init+0x1a/0x140
 ret_from_fork+0x34/0x50
 ? __pfx_kernel_init+0x10/0x10
 ret_from_fork_asm+0x1a/0x30
 </TASK>