Yes - apologies for the delay. Same result I'm afraid:
[Wed May 8 23:34:29 2024] [ cut here ]
[Wed May 8 23:34:29 2024] UBSAN: array-index-out-of-bounds in
/build/linux-yrLejD/linux-6.8.0/drivers/gpu/drm/radeon/radeon_atombios.c:2718:34
[Wed May 8 23:34:29 2024] index 16 is out of range for type 'UCHAR [1]'
[Wed May 8 23:34:29 2024] CPU: 0 PID: 370 Comm: (udev-worker) Not tainted
6.8.0-31-generic #31-Ubuntu
[Wed May 8 23:34:29 2024] Hardware name: To Be Filled By O.E.M. To Be Filled
By O.E.M./E350M1, BIOS P2.10 03/06/2014
[Wed May 8 23:34:29 2024] Call Trace:
[Wed May 8 23:34:29 2024]
[Wed May 8 23:34:29 2024] dump_stack_lvl+0x48/0x70
[Wed May 8 23:34:29 2024] dump_stack+0x10/0x20
[Wed May 8 23:34:29 2024] __ubsan_handle_out_of_bounds+0xc6/0x110
[Wed May 8 23:34:29 2024] radeon_atombios_parse_power_table_6+0x3ba/0x3e0
[radeon]
[Wed May 8 23:34:29 2024] radeon_atombios_get_power_modes+0x247/0x270 [radeon]
[Wed May 8 23:34:29 2024] radeon_pm_init_dpm+0x8e/0x2f0 [radeon]
[Wed May 8 23:34:29 2024] radeon_pm_init+0xd0/0x100 [radeon]
[Wed May 8 23:34:29 2024] evergreen_init+0x158/0x400 [radeon]
[Wed May 8 23:34:29 2024] radeon_device_init+0x540/0xa90 [radeon]
[Wed May 8 23:34:29 2024] radeon_driver_load_kms+0xcc/0x2f0 [radeon]
[Wed May 8 23:34:29 2024] drm_dev_register+0x12b/0x2a0
[Wed May 8 23:34:29 2024] radeon_pci_probe+0xec/0x180 [radeon]
[Wed May 8 23:34:29 2024] local_pci_probe+0x47/0xb0
[Wed May 8 23:34:29 2024] pci_call_probe+0x55/0x1a0
[Wed May 8 23:34:29 2024] pci_device_probe+0x84/0x120
[Wed May 8 23:34:29 2024] really_probe+0x1c7/0x410
[Wed May 8 23:34:29 2024] __driver_probe_device+0x8c/0x180
[Wed May 8 23:34:29 2024] driver_probe_device+0x24/0xd0
[Wed May 8 23:34:29 2024] __driver_attach+0x10b/0x210
[Wed May 8 23:34:29 2024] ? __pfx___driver_attach+0x10/0x10
[Wed May 8 23:34:29 2024] bus_for_each_dev+0x8d/0xf0
[Wed May 8 23:34:29 2024] driver_attach+0x1e/0x30
[Wed May 8 23:34:29 2024] bus_add_driver+0x156/0x260
[Wed May 8 23:34:29 2024] driver_register+0x5e/0x130
[Wed May 8 23:34:29 2024] ? __pfx_radeon_module_init+0x10/0x10 [radeon]
[Wed May 8 23:34:29 2024] __pci_register_driver+0x5e/0x70
[Wed May 8 23:34:29 2024] radeon_module_init+0x4c/0xff0 [radeon]
[Wed May 8 23:34:29 2024] do_one_initcall+0x5e/0x340
[Wed May 8 23:34:29 2024] do_init_module+0xc0/0x2c0
[Wed May 8 23:34:29 2024] load_module+0xba1/0xcf0
[Wed May 8 23:34:29 2024] init_module_from_file+0x96/0x100
[Wed May 8 23:34:29 2024] ? init_module_from_file+0x96/0x100
[Wed May 8 23:34:29 2024] idempotent_init_module+0x11c/0x2b0
[Wed May 8 23:34:29 2024] __x64_sys_finit_module+0x64/0xd0
[Wed May 8 23:34:29 2024] x64_sys_call+0x1d6e/0x25c0
[Wed May 8 23:34:29 2024] do_syscall_64+0x7f/0x180
[Wed May 8 23:34:29 2024] ? do_syscall_64+0x8c/0x180
[Wed May 8 23:34:29 2024] ? do_syscall_64+0x8c/0x180
[Wed May 8 23:34:29 2024] ? do_syscall_64+0x8c/0x180
[Wed May 8 23:34:29 2024] ? do_syscall_64+0x8c/0x180
[Wed May 8 23:34:29 2024] ? do_syscall_64+0x8c/0x180
[Wed May 8 23:34:29 2024] ? common_interrupt+0x54/0xb0
[Wed May 8 23:34:29 2024] entry_SYSCALL_64_after_hwframe+0x73/0x7b
[Wed May 8 23:34:29 2024] RIP: 0033:0x77c1c092725d
[Wed May 8 23:34:29 2024] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f
1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f
05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 8b bb 0d 00 f7 d8 64 89 01 48
[Wed May 8 23:34:29 2024] RSP: 002b:7fffafec3788 EFLAGS: 0246
ORIG_RAX: 0139
[Wed May 8 23:34:29 2024] RAX: ffda RBX: 6368501302c0 RCX:
77c1c092725d
[Wed May 8 23:34:29 2024] RDX: 0004 RSI: 77c1c0c1c07d RDI:
001e
[Wed May 8 23:34:29 2024] RBP: 7fffafec3840 R08: 0040 R09:
7fffafec37d0
[Wed May 8 23:34:29 2024] R10: 77c1c0a03b20 R11: 0246 R12:
77c1c0c1c07d
[Wed May 8 23:34:29 2024] R13: 0002 R14: 636850130260 R15:
636850138fc0
[Wed May 8 23:34:29 2024]
[Wed May 8 23:34:29 2024] ---[ end trace ]---
[Wed May 8 23:34:29 2024] [ cut here ]
[Wed May 8 23:34:29 2024] UBSAN: array-index-out-of-bounds in
/build/linux-yrLejD/linux-6.8.0/drivers/gpu/drm/radeon/radeon_atombios.c:2706:39
[Wed May 8 23:34:29 2024] index 2 is out of range for type
'ATOM_PPLIB_NONCLOCK_INFO [1]'
[Wed May 8 23:34:29 2024] CPU: 0 PID: 370 Comm: (udev-worker) Not tainted
6.8.0-31-generic #31-Ubuntu
[Wed May 8 23:34:29 2024] Hardware name: To Be Filled By O.E.M. To Be Filled
By O.E.M./E350M1, BIOS P2.10 03/06/2014
[Wed May 8 23:34:29 2024] Call Trace:
[Wed May 8 23:34:29 2024]
[Wed May 8 23:34:29 2024] dump_stack_lvl+0x48/0x70
[Wed May 8 23:34:29 2024] dump_stack+0x10/0x20
[Wed May 8 23:34:29 2024] __ubsan_handle_out_of_bounds+0xc6/0x110
[Wed May 8 23:34:29 2024] radeon_atombios_parse_power_table_6+0x3d2/0x3e0
[radeon]
[Wed May 8
