[Bug 105684] Loading amdgpu hits general protection fault: 0000 [#1] SMP NOPTI

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=105684

--- Comment #16 from jian-hong@endlessm.com ---
Created attachment 138874
  --> https://bugs.freedesktop.org/attachment.cgi?id=138874&action=edit
dmesg of loading amdgpu module - tested in 4.17-rc1

I have tried Linux kernel 4.17-rc1 and load amdgpu module manually.
The error looks same as the test with linux kernel v4.16-rc7: "general
protection fault: 0000 [#1] SMP NOPTI" when load amdgpu module.

[   34.068370] [drm] use_doorbell being set to: [true]
[   34.092115] [drm] Found VCN firmware Version: 1.45 Family ID: 18
[   34.261809] amdgpu: [powerplay] dpm has been enabled
[   34.274305] [drm] Display Core initialized with v3.1.38!
[   34.274343] general protection fault: 0000 [#1] SMP NOPTI
[   34.274345] Modules linked in: amdkfd amd_iommu_v2 amdgpu(+) chash gpu_sched
ttm drm_kms_helper drm i2c_algo_bit fb_sys_fops syscopyarea sysfillrect
sysimgblt efi_pstore cmac bnep arc4 btusb btrtl btbcm zram btintel bluetooth
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel
snd_hda_codec snd_hda_core snd_hwdep ecdh_generic input_leds snd_pcm
edac_mce_amd kvm_amd ccp kvm snd_timer snd r8169 soundcore irqbypass
crct10dif_pclmul crc32_pclmul ath10k_pci ath10k_core ath ghash_clmulni_intel
mac80211 pcbc aesni_intel cfg80211 mii aes_x86_64 ahci libahci crypto_simd
wmi_bmof shpchp sparse_keymap i2c_piix4 cryptd glue_helper psmouse mac_hid wmi
ip_tables x_tables hid_generic uas serio_raw usbhid usb_storage hid video
[   34.274391] CPU: 0 PID: 766 Comm: modprobe Not tainted 4.17.0-rc1 #12
[   34.274393] Hardware name: Acer Aspire TC-380/Aspire TC-380, BIOS D05
02/01/2018
[   34.274400] RIP: 0010:prefetch_freepointer+0x14/0x30
[   34.274402] RSP: 0018:ffffb860482d7838 EFLAGS: 00010206
[   34.274404] RAX: 0000000000000000 RBX: ffff9ed4392e2400 RCX:
000000000000064d
[   34.274406] RDX: 000000000000064c RSI: 69a633535ad058a5 RDI:
ffff9ed43f006e80
[   34.274408] RBP: ffffb860482d7838 R08: ffff9ed43f627160 R09:
ffff9ed41a3d6900
[   34.274410] R10: 0000000000000024 R11: ffff9ed4203278cf R12:
00000000014080c0
[   34.274412] R13: ffff9ed43f006e80 R14: ffff9ed4392e2400 R15:
ffff9ed43f006e80
[   34.274415] FS:  00007f3c39e38700(0000) GS:ffff9ed43f600000(0000)
knlGS:0000000000000000
[   34.274417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.274419] CR2: 00007f8b1427e000 CR3: 00000007fb030000 CR4:
00000000003406f0
[   34.274421] Call Trace:
[   34.274426]  kmem_cache_alloc_trace+0xbb/0x1d0
[   34.274479]  ? dm_hw_init+0x476/0xe60 [amdgpu]
[   34.274522]  dm_hw_init+0x476/0xe60 [amdgpu]
[   34.274526]  ? vprintk_func+0x27/0x60
[   34.274528]  ? printk+0x52/0x6e
[   34.274564]  amdgpu_device_init+0x13c5/0x1490 [amdgpu]
[   34.274599]  amdgpu_driver_load_kms+0x8b/0x2c0 [amdgpu]
[   34.274611]  drm_dev_register+0x149/0x1e0 [drm]
[   34.274646]  amdgpu_pci_probe+0x13f/0x1f0 [amdgpu]
[   34.274650]  local_pci_probe+0x4a/0xa0
[   34.274652]  pci_device_probe+0x109/0x1b0
[   34.274655]  driver_probe_device+0x2bb/0x4a0
[   34.274658]  __driver_attach+0xe2/0xf0
[   34.274660]  ? driver_probe_device+0x4a0/0x4a0
[   34.274663]  bus_for_each_dev+0x6a/0xc0
[   34.274665]  ? kmem_cache_alloc_trace+0x1c4/0x1d0
[   34.274667]  driver_attach+0x1e/0x20
[   34.274670]  bus_add_driver+0x170/0x260
[   34.274672]  driver_register+0x60/0xe0
[   34.274674]  ? 0xffffffffc0a76000
[   34.274677]  __pci_register_driver+0x5a/0x60
[   34.274711]  amdgpu_init+0x7a/0x89 [amdgpu]
[   34.274714]  do_one_initcall+0x52/0x1cd
[   34.274717]  ? __vunmap+0x81/0xb0
[   34.274720]  ? _cond_resched+0x1a/0x50
[   34.274722]  ? kmem_cache_alloc_trace+0xbb/0x1d0
[   34.274725]  ? do_init_module+0x27/0x219
[   34.274727]  do_init_module+0x5f/0x219
[   34.274729]  load_module+0x260e/0x2e10
[   34.274733]  __do_sys_finit_module+0xe5/0x120
[   34.274735]  ? __do_sys_finit_module+0xe5/0x120
[   34.274738]  __x64_sys_finit_module+0x1a/0x20
[   34.274741]  do_syscall_64+0x5a/0x110
[   34.274743]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   34.274745] RIP: 0033:0x7f3c3997d229
[   34.274747] RSP: 002b:00007ffdc43c4e58 EFLAGS: 00000246 ORIG_RAX:
0000000000000139
[   34.274750] RAX: ffffffffffffffda RBX: 000055be49331280 RCX:
00007f3c3997d229
[   34.274752] RDX: 0000000000000000 RSI: 000055be487e9638 RDI:
000000000000000d
[   34.274754] RBP: 000055be487e9638 R08: 0000000000000000 R09:
0000000000000000
[   34.274756] R10: 000000000000000d R11: 0000000000000246 R12:
0000000000000000
[   34.274758] R13: 000055be493313b0 R14: 0000000000040000 R15:
0000000000000000
[   34.274760] Code: 5b 90 84 e8 12 88 e9 ff eb 91 0f 1f 00 66 2e 0f 1f 84 00
00 00 00 00 0f 1f 44 00 00 55 48 85 f6 48 89 e5 74 13 8b 47 20 48 01 c6 <48> 33
36 48 33 b7 38 01 00 00 0f 18 0e 5d c3 0f 1f 00 66 2e 0f 
[   34.274785] RIP: prefetch_freepointer+0x14/0x30 RSP: ffffb860482d7838
[   34.274788] ---[ end trace 2cfc1725d9f54c54 ]---

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