System crashed at 'ttm_resource_manager_debug' due to missing 'ttm_resource_manager' address

Issue

• System crashed with the below log

...
[2991255.355336] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[2991255.359108] PGD 0 P4D 0 
[2991255.362630] Oops: 0000 [#1] SMP PTI
[2991255.366116] CPU: 3 PID: 3133409 Comm: grep Kdump: loaded Tainted: P           OE    --------- -  - 4.18.0-477.15.1.el8_8.x86_64 #1
[2991255.369621] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 09/21/2015
[2991255.373111] RIP: 0010:ttm_resource_manager_debug+0x11/0xa0 [ttm]
[2991255.376587] Code: 29 44 24 70 c6 07 00 0f 1f 40 00 5b 5d 41 5c 41 5d e9 43 17 35 f3 0f 1f 00 0f 1f 44 00 00 55 48 89 f5 48 c7 c6 38 43 4b c0 53 <0f> b6 17 48 89 fb 48 89 ef e8 c1 0a f2 ff 0f b6 53 01 48 89 ef 48
[2991255.383974] RSP: 0018:ffffb954506b3df0 EFLAGS: 00010246
[2991255.387414] RAX: ffff8fe41a6d1200 RBX: 0000000000000000 RCX: 0000000000000940
[2991255.390827] RDX: 0000000000000000 RSI: ffffffffc04b4338 RDI: 0000000000000000
[2991255.394159] RBP: ffffb954506b3e08 R08: ffff8fee3ffad000 R09: 0000000000000000
[2991255.397461] R10: ffff8fe41a76a000 R11: 0000000000000001 R12: 00000000ffffffff
[2991255.400748] R13: 0000000000000001 R14: ffff8fe5bb6f3900 R15: ffff8fe41a6d1200
[2991255.403952] FS:  00007f4c4f4e0740(0000) GS:ffff8fee12ec0000(0000) knlGS:0000000000000000
[2991255.407151] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[2991255.410316] CR2: 0000000000000000 CR3: 00000001376d2002 CR4: 00000000001706e0
[2991255.413547] Call Trace:
[2991255.416616]  ttm_resource_manager_show+0x47/0x70 [ttm]
[2991255.419658]  ? __drm_puts_seq_file+0x10/0x10 [drm]
[2991255.422697]  ? __drm_printfn_coredump+0xe0/0xe0 [drm]
[2991255.425717]  seq_read+0x163/0x420
[2991255.428595]  full_proxy_read+0x53/0x80
[2991255.431439]  vfs_read+0x91/0x150
[2991255.434228]  ksys_read+0x4f/0xb0
[2991255.436938]  do_syscall_64+0x5b/0x1b0
[2991255.439580]  entry_SYSCALL_64_after_hwframe+0x61/0xc6
[2991255.442202] RIP: 0033:0x7f4c4eda8985
[2991255.444779] Code: fe ff ff 50 48 8d 3d 12 ca 06 00 e8 65 ed 01 00 0f 1f 44 00 00 f3 0f 1e fa 48 8d 05 b5 4d 2a 00 8b 00 85 c0 75 0f 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 53 c3 66 90 41 54 49 89 d4 55 48 89 f5 53 89
[2991255.449974] RSP: 002b:00007ffdbba9e9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[2991255.452526] RAX: ffffffffffffffda RBX: 000000000037e000 RCX: 00007f4c4eda8985
[2991255.455053] RDX: 000000000037e000 RSI: 00007f4c41573000 RDI: 0000000000000003
[2991255.457547] RBP: 000000000037e000 R08: 0000000000000000 R09: 000000000037fe30
[2991255.459999] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4c41573000
[2991255.462344] R13: 0000000000000003 R14: 00007f4c41572010 R15: 0000000000000003
[2991255.464677] Modules linked in: ib_core nf_tables mptcp_diag xsk_diag vsock_diag tcp_diag udp_diag raw_diag inet_diag unix_diag af_packet_diag netlink_diag nfnetlink binfmt_misc nfsv3 rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock intel_rapl_msr intel_rapl_common sb_edac coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel rapl ppdev vmw_balloon joydev pcspkr i2c_piix4 vmw_vmci parport_pc parport sisevt(PE) nfsd nfs_acl lockd grace auth_rpcgss sunrpc xfs libcrc32c sr_mod cdrom ata_generic vmwgfx drm_ttm_helper ttm sd_mod t10_pi sg drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops crc32c_intel drm ahci libahci ata_piix serio_raw libata vmxnet3 vmw_pvscsi dm_mod fuse [last unloaded: sisap]
[2991255.476827] Red Hat flags: eBPF/event
[2991255.479239] CR2: 0000000000000000