[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 #34 from Paul Menzel <pmenzel+bugs.freedesktop@molgen.mpg.de> ---
Booting with `systemd.unit=multi-user.target`, that means GDM is not started,
amdgpu doesn’t crash.

[   14.975926] [drm] Found VCN firmware Version: 1.73 Family ID: 18
[   15.144612] amdgpu: [powerplay] dpm has been enabled
[   15.150055] [drm] DM_PPLIB: values for Invalid clock
[   15.155237] [drm] DM_PPLIB:   0 in kHz
[   15.159053] [drm] DM_PPLIB:   400000 in kHz
[   15.163319] [drm] DM_PPLIB:   933000 in kHz
[   15.167552] [drm] DM_PPLIB:   1067000 in kHz
[   15.171934] WARNING: CPU: 2 PID: 360 at
drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:1355
dcn_bw_update_from_pplib+0x16b/0x280 [amdgpu]
[   15.185819] Modules linked in: edac_mce_amd kvm_amd nls_ascii ccp nls_cp437
amdkfd rng_core kvm vfat snd_hda_codec_realtek fat irqbypass amdgpu(+)
snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel crct10dif_pclmul chash
snd_hda_codec i2c_algo_bit gpu_sched crc32_pclmul drm_kms_helper
ghash_clmulni_intel efi_pstore snd_hda_core uas syscopyarea snd_hwdep
sysfillrect sysimgblt fb_sys_fops snd_pcm snd_timer usb_storage ttm efivars
pcspkr sp5100_tco r8169 snd sg soundcore mii drm k10temp i2c_piix4 video button
efivarfs ip_tables x_tables autofs4 ext4 crc32c_generic crc16 mbcache jbd2
fscrypto dm_crypt dm_mod sd_mod evdev hid_generic usbhid hid crc32c_intel ahci
xhci_pci libahci aesni_intel aes_x86_64 xhci_hcd crypto_simd libata cryptd
glue_helper usbcore scsi_mod gpio_amdpt gpio_generic
[   15.259960] CPU: 2 PID: 360 Comm: systemd-udevd Not tainted 4.18.0-rc5+ #3
[   15.267349] Hardware name: MSI MS-7A37/B350M MORTAR (MS-7A37), BIOS 1.G1
05/17/2018
[   15.275647] RIP: 0010:dcn_bw_update_from_pplib+0x16b/0x280 [amdgpu]
[   15.282360] Code: d8 ca d8 f1 d9 5a 50 8b 44 fc 14 49 8b 94 24 70 01 00 00
48 89 04 24 df 2c 24 d8 f1 db 42 78 de c9 de ca de f9 d9 5a 4c eb 02 <0f> 0b 48
89 da be 04 00 00 00 48 89 ef e8 33 5a fe ff 84 c0 0f 84 
[   15.302582] RSP: 0018:ffffa6ce81fa77c8 EFLAGS: 00010246
[   15.308188] RAX: 0000000000000001 RBX: ffffa6ce81fa7828 RCX:
0000000000000000
[   15.315825] RDX: 0000000000000000 RSI: 0000000000000004 RDI:
ffff9530de896738
[   15.323477] RBP: ffff9530c3014540 R08: 00000000000008d8 R09:
0000000000000000
[   15.331106] R10: 0000000000000002 R11: 000000000000000f R12:
ffff9530c2f29000
[   15.338734] R13: ffff9530ca9bb4c0 R14: ffff9530c2f29000 R15:
0000000000000000
[   15.346383] FS:  00007fc5b86178c0(0000) GS:ffff9530de880000(0000)
knlGS:0000000000000000
[   15.355050] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.361199] CR2: 00007fe4fb3affe8 CR3: 000000040b0de000 CR4:
00000000003406e0
[   15.368848] Call Trace:
[   15.371538]  dcn10_create_resource_pool+0x75b/0x9a0 [amdgpu]
[   15.377658]  dc_create_resource_pool+0x42/0x180 [amdgpu]
[   15.383360]  ? __kmalloc+0x1b4/0x250
[   15.387260]  ? dal_gpio_service_create+0x8f/0x110 [amdgpu]
[   15.393203]  dc_create+0x228/0x650 [amdgpu]
[   15.397734]  ? amdgpu_cgs_create_device+0x23/0x50 [amdgpu]
[   15.403662]  dm_hw_init+0xc8/0x130 [amdgpu]
[   15.408199]  amdgpu_device_init.cold.28+0x10ea/0x1295 [amdgpu]
[   15.414489]  amdgpu_driver_load_kms+0x86/0x2c0 [amdgpu]
[   15.420085]  drm_dev_register+0x109/0x140 [drm]
[   15.424990]  amdgpu_pci_probe+0x13c/0x1c0 [amdgpu]
[   15.430150]  local_pci_probe+0x41/0x90
[   15.434194]  pci_device_probe+0x189/0x1a0
[   15.438517]  driver_probe_device+0x2b9/0x460
[   15.443091]  __driver_attach+0xdd/0x110
[   15.447220]  ? driver_probe_device+0x460/0x460
[   15.451987]  bus_for_each_dev+0x76/0xc0
[   15.456116]  ? klist_add_tail+0x3b/0x70
[   15.460234]  bus_add_driver+0x152/0x230
[   15.464353]  ? 0xffffffffc09cd000
[   15.467905]  driver_register+0x6b/0xb0
[   15.471926]  ? 0xffffffffc09cd000
[   15.475484]  do_one_initcall+0x46/0x1c3
[   15.479588]  ? kmem_cache_alloc_trace+0x183/0x1f0
[   15.484654]  ? do_init_module+0x22/0x210
[   15.488885]  do_init_module+0x5a/0x210
[   15.492911]  load_module+0x21c4/0x2410
[   15.496935]  ? vfs_read+0x110/0x140
[   15.500678]  ? __do_sys_finit_module+0xa8/0x110
[   15.505534]  __do_sys_finit_module+0xa8/0x110
[   15.510196]  do_syscall_64+0x55/0xe0
[   15.514050]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   15.519450] RIP: 0033:0x7fc5b9674a79
[   15.523286] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 df 43 0c 00 f7 d8 64 89 01 48 
[   15.543529] RSP: 002b:00007fffa4622ca8 EFLAGS: 00000246 ORIG_RAX:
0000000000000139
[   15.551649] RAX: ffffffffffffffda RBX: 000055663e956cc0 RCX:
00007fc5b9674a79
[   15.559309] RDX: 0000000000000000 RSI: 00007fc5b937c0ed RDI:
0000000000000018
[   15.566963] RBP: 00007fc5b937c0ed R08: 0000000000000000 R09:
0000000000000000
[   15.574611] R10: 0000000000000018 R11: 0000000000000246 R12:
0000000000000000
[   15.582257] R13: 000055663e936990 R14: 0000000000020000 R15:
000055663e956cc0
[   15.589979] WARNING: CPU: 2 PID: 360 at
drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:1355
dcn_bw_update_from_pplib+0x16b/0x280 [amdgpu]
[   15.604311] ---[ end trace a12997ffe6f8dea6 ]---
[   15.609258] [drm] DM_PPLIB: values for Invalid clock
[   15.614633] [drm] DM_PPLIB:   300000 in kHz
[   15.619072] [drm] DM_PPLIB:   600000 in kHz
[   15.623518] [drm] DM_PPLIB:   626000 in kHz
[   15.627989] [drm] DM_PPLIB:   654000 in kHz
[   15.635929] [drm] Display Core initialized with v3.1.52!
[   15.663219] [drm] SADs count is: -2, don't need to read it
[   15.679318] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   15.686300] [drm] Driver supports precise vblank timestamp query.
[   15.710275] [drm] VCN decode and encode initialized successfully.
[   15.729477] [drm] fb mappable at 0xA1100000
[   15.733926] [drm] vram apper at 0xA0000000
[   15.738182] [drm] size 9216000
[   15.741407] [drm] fb depth is 24
[   15.744783] [drm]    pitch is 7680
[   15.748631] fbcon: amdgpudrmfb (fb0) is primary device
[   15.770534] Console: switching to colour frame buffer device 240x75
[   15.804032] amdgpu 0000:38:00.0: fb0: amdgpudrmfb frame buffer device
[   15.830137] amdgpu 0000:38:00.0: ring 0(gfx) uses VM inv eng 4 on hub 0
[   15.837277] amdgpu 0000:38:00.0: ring 1(comp_1.0.0) uses VM inv eng 5 on hub
0
[   15.844955] amdgpu 0000:38:00.0: ring 2(comp_1.1.0) uses VM inv eng 6 on hub
0
[   15.844956] amdgpu 0000:38:00.0: ring 3(comp_1.2.0) uses VM inv eng 7 on hub
0
[   15.844957] amdgpu 0000:38:00.0: ring 4(comp_1.3.0) uses VM inv eng 8 on hub
0
[   15.844958] amdgpu 0000:38:00.0: ring 5(comp_1.0.1) uses VM inv eng 9 on hub
0
[   15.844959] amdgpu 0000:38:00.0: ring 6(comp_1.1.1) uses VM inv eng 10 on
hub 0
[   15.844960] amdgpu 0000:38:00.0: ring 7(comp_1.2.1) uses VM inv eng 11 on
hub 0
[   15.844961] amdgpu 0000:38:00.0: ring 8(comp_1.3.1) uses VM inv eng 12 on
hub 0
[   15.844962] amdgpu 0000:38:00.0: ring 9(kiq_2.1.0) uses VM inv eng 13 on hub
0
[   15.844963] amdgpu 0000:38:00.0: ring 10(sdma0) uses VM inv eng 4 on hub 1
[   15.844964] amdgpu 0000:38:00.0: ring 11(vcn_dec) uses VM inv eng 5 on hub 1
[   15.844965] amdgpu 0000:38:00.0: ring 12(vcn_enc0) uses VM inv eng 6 on hub
1
[   15.844966] amdgpu 0000:38:00.0: ring 13(vcn_enc1) uses VM inv eng 7 on hub
1
[   15.844967] amdgpu 0000:38:00.0: ring 14(vcn_jpeg) uses VM inv eng 8 on hub
1
[   15.855693] [drm] Initialized amdgpu 3.26.0 20150101 for 0000:38:00.0 on
minor 0
[   15.951219] initcall amdgpu_init+0x0/0x86 [amdgpu] returned 0 after 954562
usecs

The trace is present in drm-tip (not in Linux master) and I reported it already
in bug 107296 [1].

[1]: https://bugs.freedesktop.org/show_bug.cgi?id=107296

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