Devices failing to boot due to out-of-bound regression

[crazoes]

[    4.004111] amdgpu 0000:04:00.0: amdgpu: Trusted Memory Zone (TMZ) feature enabled
[    4.011887] ================================================================================
[    4.020326] UBSAN: shift-out-of-bounds in ./include/linux/log2.h:57:13
[    4.026856] shift exponent 32 is too large for 32-bit type 'long unsigned int'
[    4.034079] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 6.1.103-rc3 #1
[    4.035071] Hardware name: LENOVO Morphius/Morphius, BIOS Google_Morphius.13434.60.0 10/08/2020
[    4.035071] Call Trace:
[    4.035071]  ? show_stack+0x35/0x3b
[    4.035071]  dump_stack_lvl+0x4a/0x5c
[    4.035071]  dump_stack+0xd/0x10
[    4.035071]  ubsan_epilogue+0x8/0x2b
[    4.035071]  __ubsan_handle_shift_out_of_bounds.cold+0x59/0xf3
[    4.035071]  __roundup_pow_of_two+0x26/0x3a
[    4.035071]  amdgpu_vm_adjust_size.cold+0x29/0x21c
[    4.035071]  ? __lock_release.isra.0+0x5c/0x170
[    4.035071]  gmc_v9_0_sw_init+0x126/0x5c0
[    4.035071]  ? nbio_v7_0_vcn_doorbell_range+0x80/0x80
[    4.035071]  amdgpu_device_ip_init+0xa0/0x745
[    4.035071]  amdgpu_device_init.cold+0x4a5/0x908
[    4.035071]  amdgpu_driver_load_kms+0x13/0xf0
[    4.035071]  amdgpu_pci_probe+0xe4/0x320
[    4.035071]  pci_device_probe+0x96/0x110
[    4.035071]  ? sysfs_create_link+0x1d/0x40
[    4.035071]  really_probe+0xc6/0x250
[    4.035071]  ? _raw_spin_unlock_irq+0x1d/0x40
[    4.126667] tsc: Refined TSC clocksource calibration: 2595.125 MHz
[    4.035071]  ? pm_runtime_barrier+0x52/0x90
[    4.133388] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x25683efc55a, max_idle_ns: 440795294610 ns
[    4.035071]  __driver_probe_device+0x84/0xe0
[    4.035071]  ? lock_release+0x62/0x110
[    4.035071]  driver_probe_device+0x23/0x110
[    4.147575]  __driver_attach+0x9b/0x190
[    4.147575]  ? __device_attach_driver+0x120/0x120
[    4.147575]  bus_for_each_dev+0x66/0xa0
[    4.147575]  driver_attach+0x19/0x20
[    4.147575]  ? __device_attach_driver+0x120/0x120
[    4.147575]  bus_add_driver+0x16f/0x1d0
[    4.147575]  driver_register+0x7a/0xd0
[    4.147575]  ? drm_sched_fence_slab_init+0x2c/0x2c
[    4.147575]  __pci_register_driver+0x60/0x70
[    4.147575]  amdgpu_init+0x54/0x5e
[    4.147575]  do_one_initcall+0x65/0x260
[    4.147575]  do_initcalls+0xf4/0x112
[    4.147575]  kernel_init_freeable+0x162/0x193
[    4.147575]  ? rest_init+0x1d0/0x1d0
[    4.147575]  kernel_init+0x18/0x140
[    4.147575]  ? rest_init+0x1d0/0x1d0
[    4.147575]  ? schedule_tail_wrapper+0x9/0xc
[    4.147575]  ? rest_init+0x1d0/0x1d0
[    4.147575]  ret_from_fork+0x1c/0x28
[    4.234306] ================================================================================
[    4.242741] [drm] vm size is 262144 GB, 3 levels, block size is 9-bit, fragment size is 9-bit
[    4.251272] clocksource: Switched to clocksource tsc
[    4.251302] amdgpu 0000:04:00.0: amdgpu: VRAM: 64M 0x000000F400000000 - 0x000000F403FFFFFF (64M used)
[    4.265566] amdgpu 0000:04:00.0: amdgpu: GART: 1024M 0x0000000000000000 - 0x000000003FFFFFFF
[    4.274009] amdgpu 0000:04:00.0: amdgpu: AGP: 267419648M 0x000000F800000000 - 0x0000FFFFFFFFFFFF
[    4.282841] [drm] Detected VRAM RAM=64M, BAR=256M
[    4.283212] kwatchdog (59) used greatest stack depth: 7180 bytes left
[    4.287559] [drm] RAM width 64bits DDR4
[    4.287967] [drm] amdgpu: 64M of VRAM memory ready

Many x86_64 and i386 are failing to boot due to the above regression on stable-rc kernels. It has been happening since long time now and needs to be investigated.

hp-14b-na0052xx-zork
lenovo-TPad-C13-Yoga-zork
asus-CM1400CXA-dalboz
hp-x360-14a-cb0001xx-zork
hp-11A-G6-EE-grunt
hp-14-db0003na-grunt
acer-R721T-grunt
lenovo-TPad-C13-Yoga-zork
hp-x360-14a-cb0001xx-zork
lenovo-TPad-C13-Yoga-zork
hp-x360-14a-cb0001xx-zork

More details can be checked on grafana dashboard under stable-rc tree

[nuclearcat]

I guess this issue is resolved?

[musamaanjum]

Closing as I've not seen this error from some time.