[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 #14 from jian-hong@endlessm.com ---
Created attachment 138370
  --> https://bugs.freedesktop.org/attachment.cgi?id=138370&action=edit
dmesg of loading amdgpu module - tested in 4.16-rc7

I also tested with linux kernel v4.16-rc7 and got the same problem again when I
loaded amdgpu module manually.
The attechment is the whole dmesg for this test.

<6>[   96.502996] [drm] amdgpu kernel modesetting enabled.
<6>[   96.511435] AMD IOMMUv2 driver by Joerg Roedel <jroedel@suse.de>
<6>[   96.518456] Parsing CRAT table with 1 nodes
<6>[   96.519588] Creating topology SYSFS entries
<6>[   96.520729] Topology: Add APU node [0x0:0x0]
<6>[   96.521851] Finished initializing topology
<6>[   96.522991] kfd kfd: Initialized module
<7>[   96.524244] checking generic (e0000000 7f0000) vs hw (e0000000 10000000)
<6>[   96.524245] fb: switching to amdgpudrmfb from EFI VGA
<6>[   96.525412] Console: switching to colour dummy device 80x25
<6>[   96.525551] amdgpu 0000:09:00.0: enabling device (0006 -> 0007)
<6>[   96.525713] [drm] initializing kernel modesetting (RAVEN 0x1002:0x15DD
0x1025:0x1257 0xC6).
<6>[   96.525744] [drm] register mmio base: 0xFE700000
<6>[   96.525746] [drm] register mmio size: 524288
<6>[   96.528186] [drm] probing gen 2 caps for device 1022:15db = 700d03/e
<6>[   96.528193] [drm] probing mlw for device 1022:15db = 700d03
<6>[   96.528392] [drm] VCN decode is enabled in VM mode
<6>[   96.528395] [drm] VCN encode is enabled in VM mode
<6>[   96.528411] ATOM BIOS: 113-RAVEN-T08
<6>[   96.528443] [drm] vm size is 262144 GB, 4 levels, block size is 9-bit,
fragment size is 9-bit
<6>[   96.528455] amdgpu 0000:09:00.0: GTT: 1024M 0x000000F500000000 -
0x000000F53FFFFFFF
<6>[   96.528467] [drm] Detected VRAM RAM=1024M, BAR=256M
<6>[   96.528468] [drm] RAM width 64bits UNKNOWN
<6>[   96.528530] [TTM] Zone  kernel: Available graphics memory: 15950952 kiB
<6>[   96.528532] [TTM] Zone   dma32: Available graphics memory: 2097152 kiB
<6>[   96.528534] [TTM] Initializing pool allocator
<6>[   96.528538] [TTM] Initializing DMA pool allocator
<6>[   96.528567] [drm] amdgpu: 1024M of VRAM memory ready
<6>[   96.528569] [drm] amdgpu: 3072M of GTT memory ready.
<6>[   96.528576] [drm] GART: num cpu pages 262144, num gpu pages 262144
<6>[   96.529123] [drm] PCIE GART of 1024M enabled (table at
0x000000F400800000).
<6>[   96.550367] [drm] use_doorbell being set to: [true]
<6>[   96.565847] [drm] Found VCN firmware Version: 1.45 Family ID: 18
<6>[   96.720523] [drm] Display Core initialized with v3.1.27!
<4>[   96.720559] general protection fault: 0000 [#1] SMP NOPTI
<4>[   96.720562] 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 arc4 cmac bnep edac_mce_amd kvm_amd ccp kvm
irqbypass snd_hda_codec_realtek ath10k_pci ath10k_core ath btusb
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel btrtl input_leds btbcm
btintel mac80211 snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel
snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore bluetooth
ecdh_generic pcbc aesni_intel cfg80211 r8169 i2c_piix4 wmi_bmof mii
sparse_keymap shpchp aes_x86_64 crypto_simd glue_helper cryptd psmouse mac_hid
tpm_crb video wmi zram ip_tables x_tables serio_raw uas usb_storage ahci
libahci hid_generic usbhid hid
<4>[   96.720624] CPU: 0 PID: 933 Comm: modprobe Not tainted 4.16.0-rc7+ #8
<4>[   96.720626] Hardware name: Acer Aspire TC-380/Aspire TC-380, BIOS D05
02/01/2018
<4>[   96.720635] RIP: 0010:prefetch_freepointer+0x15/0x30
<4>[   96.720637] RSP: 0018:ffffba2808367840 EFLAGS: 00010202
<4>[   96.720640] RAX: 0000000000000000 RBX: ffff9fcb9d9c5800 RCX:
0000000000000ae8
<4>[   96.720643] RDX: 0000000000000ae7 RSI: 597f068ab1e00726 RDI:
ffff9fcbbf006e80
<4>[   96.720645] RBP: ffffba2808367840 R08: ffff9fcbbf627160 R09:
ffffffffc096ef82
<4>[   96.720647] R10: 0000000000000024 R11: ffff9fcb99f3ac97 R12:
00000000014080c0
<4>[   96.720649] R13: ffff9fcbbf006e80 R14: ffff9fcb9d9c5800 R15:
ffff9fcbbf006e80
<4>[   96.720653] FS:  00007f8bc0eab700(0000) GS:ffff9fcbbf600000(0000)
knlGS:0000000000000000
<4>[   96.720655] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[   96.720658] CR2: 00007ffc4eec6ff8 CR3: 00000007dd9a6000 CR4:
00000000003406f0
<4>[   96.720660] Call Trace:
<4>[   96.720666]  kmem_cache_alloc_trace+0xa5/0x1c0
<4>[   96.720741]  ? dm_hw_init+0x462/0xed0 [amdgpu]
<4>[   96.720792]  dm_hw_init+0x462/0xed0 [amdgpu]
<4>[   96.720832]  amdgpu_device_init+0xc1b/0x1340 [amdgpu]
<4>[   96.720872]  amdgpu_driver_load_kms+0x8b/0x2c0 [amdgpu]
<4>[   96.720888]  drm_dev_register+0x149/0x1e0 [drm]
<4>[   96.720927]  amdgpu_pci_probe+0x10a/0x180 [amdgpu]
<4>[   96.720931]  local_pci_probe+0x4a/0xa0
<4>[   96.720934]  pci_device_probe+0x109/0x1b0
<4>[   96.720938]  driver_probe_device+0x2bb/0x4a0
<4>[   96.720941]  __driver_attach+0xe2/0xf0
<4>[   96.720944]  ? driver_probe_device+0x4a0/0x4a0
<4>[   96.720947]  bus_for_each_dev+0x6a/0xc0
<4>[   96.720949]  ? kmem_cache_alloc_trace+0x1a6/0x1c0
<4>[   96.720952]  driver_attach+0x1e/0x20
<4>[   96.720955]  bus_add_driver+0x170/0x260
<4>[   96.720958]  driver_register+0x60/0xe0
<4>[   96.720961]  ? 0xffffffffc0af3000
<4>[   96.720964]  __pci_register_driver+0x5a/0x60
<4>[   96.721003]  amdgpu_init+0x83/0x92 [amdgpu]
<4>[   96.721006]  do_one_initcall+0x55/0x19d
<4>[   96.721009]  ? __vunmap+0x81/0xb0
<4>[   96.721013]  ? _cond_resched+0x1a/0x50
<4>[   96.721015]  ? kmem_cache_alloc_trace+0xa5/0x1c0
<4>[   96.721019]  ? do_init_module+0x27/0x219
<4>[   96.721021]  do_init_module+0x5f/0x219
<4>[   96.721024]  load_module+0x260e/0x2e10
<4>[   96.721028]  ? ima_post_read_file+0x83/0xa0
<4>[   96.721032]  SYSC_finit_module+0xe5/0x120
<4>[   96.721034]  ? SYSC_finit_module+0xe5/0x120
<4>[   96.721037]  SyS_finit_module+0xe/0x10
<4>[   96.721040]  do_syscall_64+0x73/0x130
<4>[   96.721043]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
<4>[   96.721045] RIP: 0033:0x7f8bc09f0229
<4>[   96.721047] RSP: 002b:00007ffc4eeca168 EFLAGS: 00000246 ORIG_RAX:
0000000000000139
<4>[   96.721050] RAX: ffffffffffffffda RBX: 00005568f4a07230 RCX:
00007f8bc09f0229
<4>[   96.721053] RDX: 0000000000000000 RSI: 00005568f3310638 RDI:
000000000000000d
<4>[   96.721055] RBP: 00005568f3310638 R08: 0000000000000000 R09:
0000000000000000
<4>[   96.721057] R10: 000000000000000d R11: 0000000000000246 R12:
0000000000000000
<4>[   96.721059] R13: 00005568f4a07360 R14: 0000000000040000 R15:
0000000000000000
<4>[   96.721062] Code: 49 8b 74 24 60 48 c7 c7 18 0c cf b4 e8 15 85 ea ff eb
90 0f 1f 00 0f 1f 44 00 00 55 48 85 f6 48 89 e5 74 14 48 63 47 20 48 01 c6 <48>
33 36 48 33 b7 40 01 00 00 0f 18 0e 5d c3 66 90 66 2e 0f 1f 
<1>[   96.721091] RIP: prefetch_freepointer+0x15/0x30 RSP: ffffba2808367840
<4>[   96.721094] ---[ end trace d865bcaaf3cc5d66 ]---

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