[Bug 105619] Kernel DC oops on dce81_create_resource_pool with kernel 4.15

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=105619

            Bug ID: 105619
           Summary: Kernel DC oops on dce81_create_resource_pool with
                    kernel 4.15
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: freedesktop@kp-tech.hu

Created attachment 138216
  --> https://bugs.freedesktop.org/attachment.cgi?id=138216&action=edit
kernel 4.15 oops

Hi,

I tried to experiment with HSA on recent upstream kernels [1][2], but instead
it seems I ran into are some DC wiring(?) problems with Kaveri:

Mar 18 15:05:48 z kernel: [    2.015153] [drm:resource_construct [amdgpu]]
*ERROR* DC: unexpected audio fuse!
Mar 18 15:05:48 z kernel: [    2.015232] WARNING: CPU: 2 PID: 173 at
/home/kernel/COD/linux/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:190
resource_construct+0x2aa/0x310 [amdgpu]
Mar 18 15:05:48 z kernel: [    2.015236] Modules linked in: amdkfd amd_iommu_v2
amdgpu(+) chash radeon crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
i2c_algo_bit ttm pcbc drm_kms_helper syscopyarea sysfillrect sysimgblt
aesni_intel fb_sys_fops aes_x86_64 crypto_simd r8169 ahci glue_helper cryptd
libahci drm mii wmi video
Mar 18 15:05:48 z kernel: [    2.015256] CPU: 2 PID: 173 Comm: systemd-udevd
Not tainted 4.15.10-041510-generic #201803152130
Mar 18 15:05:48 z kernel: [    2.015259] Hardware name: System manufacturer
System Product Name/A88XM-A, BIOS 3001 03/09/2016
Mar 18 15:05:48 z kernel: [    2.015303] RIP:
0010:resource_construct+0x2aa/0x310 [amdgpu]
Mar 18 15:05:48 z kernel: [    2.015305] RSP: 0018:ffffa95d41eef718 EFLAGS:
00010282
Mar 18 15:05:48 z kernel: [    2.015307] RAX: 0000000000000000 RBX:
ffff9098c1b2d300 RCX: ffffffffb2062808
Mar 18 15:05:48 z kernel: [    2.015310] RDX: 0000000000000000 RSI:
0000000000000096 RDI: 0000000000000246
Mar 18 15:05:48 z kernel: [    2.015312] RBP: ffffa95d41eef778 R08:
0000000000000000 R09: 000000000000032a
Mar 18 15:05:48 z kernel: [    2.015314] R10: ffff9098defd5ef8 R11:
0720072007200720 R12: 0000000000000007
Mar 18 15:05:48 z kernel: [    2.015317] R13: ffffffffc06be800 R14:
ffff9098c27eac20 R15: ffff9098c27eac00
Mar 18 15:05:48 z kernel: [    2.015319] FS:  00007ff020a1b8c0(0000)
GS:ffff9098ded00000(0000) knlGS:0000000000000000
Mar 18 15:05:48 z kernel: [    2.015322] CS:  0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Mar 18 15:05:48 z kernel: [    2.015324] CR2: 00007ff020a01cc8 CR3:
0000000401d10000 CR4: 00000000000406e0
Mar 18 15:05:48 z kernel: [    2.015327] Call Trace:
Mar 18 15:05:48 z kernel: [    2.015372] 
dce81_create_resource_pool+0x419/0x4b0 [amdgpu]
Mar 18 15:05:48 z kernel: [    2.015416]  dc_create_resource_pool+0xd9/0x180
[amdgpu]
Mar 18 15:05:48 z kernel: [    2.015421]  ? _cond_resched+0x19/0x40
Mar 18 15:05:48 z kernel: [    2.015424]  ? __kmalloc+0x1e7/0x220
Mar 18 15:05:48 z kernel: [    2.015468]  ? dal_gpio_service_create+0xa1/0x120
[amdgpu]
Mar 18 15:05:48 z kernel: [    2.015511]  dc_create+0x244/0x6c0 [amdgpu]
Mar 18 15:05:48 z kernel: [    2.015556]  dm_hw_init+0xf2/0x2a0 [amdgpu]
Mar 18 15:05:48 z kernel: [    2.015588]  amdgpu_device_init+0xd23/0x1620
[amdgpu]
Mar 18 15:05:48 z kernel: [    2.015592]  ? kmalloc_order+0x18/0x40
Mar 18 15:05:48 z kernel: [    2.015595]  ? kmalloc_order_trace+0x24/0xb0
Mar 18 15:05:48 z kernel: [    2.015627]  amdgpu_driver_load_kms+0x8b/0x2e0
[amdgpu]
Mar 18 15:05:48 z kernel: [    2.015648]  drm_dev_register+0x149/0x1d0 [drm]
Mar 18 15:05:48 z kernel: [    2.015681]  amdgpu_pci_probe+0x113/0x150 [amdgpu]
Mar 18 15:05:48 z kernel: [    2.015712]  local_pci_probe+0x47/0xa0
Mar 18 15:05:48 z kernel: [    2.015715]  pci_device_probe+0x145/0x1b0
Mar 18 15:05:48 z kernel: [    2.015720]  driver_probe_device+0x31e/0x490
Mar 18 15:05:48 z kernel: [    2.015723]  __driver_attach+0xa7/0xf0
Mar 18 15:05:48 z kernel: [    2.015727]  ? driver_probe_device+0x490/0x490
Mar 18 15:05:48 z kernel: [    2.015730]  bus_for_each_dev+0x70/0xc0
Mar 18 15:05:48 z kernel: [    2.015733]  driver_attach+0x1e/0x20
Mar 18 15:05:48 z kernel: [    2.015736]  bus_add_driver+0x1c7/0x270
Mar 18 15:05:48 z kernel: [    2.015739]  ? 0xffffffffc0752000
Mar 18 15:05:48 z kernel: [    2.015742]  driver_register+0x60/0xe0
Mar 18 15:05:48 z kernel: [    2.015745]  ? 0xffffffffc0752000
Mar 18 15:05:48 z kernel: [    2.015749]  __pci_register_driver+0x5a/0x60
Mar 18 15:05:48 z kernel: [    2.015790]  amdgpu_init+0x96/0xa9 [amdgpu]
Mar 18 15:05:48 z kernel: [    2.015795]  do_one_initcall+0x52/0x191
Mar 18 15:05:48 z kernel: [    2.015798]  ? __vunmap+0x81/0xb0
Mar 18 15:05:48 z kernel: [    2.015801]  ? _cond_resched+0x19/0x40
Mar 18 15:05:48 z kernel: [    2.015803]  ? kmem_cache_alloc_trace+0xa6/0x1b0
Mar 18 15:05:48 z kernel: [    2.015807]  ? do_init_module+0x27/0x209
Mar 18 15:05:48 z kernel: [    2.015811]  do_init_module+0x5f/0x209
Mar 18 15:05:48 z kernel: [    2.015814]  load_module+0x18ea/0x1ee0
Mar 18 15:05:48 z kernel: [    2.015819]  ? ima_post_read_file+0x96/0xa0
Mar 18 15:05:48 z kernel: [    2.015823]  SYSC_finit_module+0xfc/0x120
Mar 18 15:05:48 z kernel: [    2.015826]  ? SYSC_finit_module+0xfc/0x120
Mar 18 15:05:48 z kernel: [    2.015830]  SyS_finit_module+0xe/0x10
Mar 18 15:05:48 z kernel: [    2.015833]  do_syscall_64+0x73/0x130
Mar 18 15:05:48 z kernel: [    2.015838] 
entry_SYSCALL_64_after_hwframe+0x3d/0xa2
Mar 18 15:05:48 z kernel: [    2.015840] RIP: 0033:0x7ff01f8714d9
Mar 18 15:05:48 z kernel: [    2.015842] RSP: 002b:00007fff8fd68a68 EFLAGS:
00000246 ORIG_RAX: 0000000000000139
Mar 18 15:05:48 z kernel: [    2.015846] RAX: ffffffffffffffda RBX:
0000557008501e50 RCX: 00007ff01f8714d9
Mar 18 15:05:48 z kernel: [    2.015849] RDX: 0000000000000000 RSI:
0000557008502190 RDI: 0000000000000015
Mar 18 15:05:48 z kernel: [    2.015851] RBP: 0000557008502190 R08:
0000000000000000 R09: 000000000000001a
Mar 18 15:05:48 z kernel: [    2.015854] R10: 0000000000000015 R11:
0000000000000246 R12: 0000000000000000
Mar 18 15:05:48 z kernel: [    2.015857] R13: 000055700850f150 R14:
0000000000020000 R15: 0000000000000000
Mar 18 15:05:48 z kernel: [    2.015860] Code: 3d e4 1a f1 48 8b 4d a0 48 89 81
68 5f 00 00 b8 01 00 00 00 eb b7 48 c7 c2 69 8d 6e c0 31 f6 48 c7 c7 85 8d 6e
c0 e8 36 45 b7 ff <0f> 0b 45 85 e4 44 89 65 b0 0f 95 c0 e9 18 fe ff ff 45 85 e4
44 
Mar 18 15:05:48 z kernel: [    2.015891] ---[ end trace ab3652e9b02f9b75 ]---

The primary display seems to work, etc, but the secondary display does seems
connected anymore. I did not experienced the same problem on ubuntu 4.13 kernel
when dc enabled (using the same boot options). I may saw some DC output wiring
bugs (try to connect to wrong components) and patches somewhere related to
kaveri, but I did not found again. Any suggestions how to fix it? THe kernel
logs are attached.

Hardware: ASUS A88XM-A + A10-7850K

Software: Ubuntu 16.04

4.15 kernel comes from (using ukuu):
http://kernel.ubuntu.com/~kernel-ppa/mainline/

4.13 kernel comes from ubuntu package.

[1] https://lists.freedesktop.org/archives/amd-gfx/2017-September/013611.html
[2] https://patchwork.freedesktop.org/patch/196060/

Thanks for your help

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