[Bug 103326] [CI] igt at pm_rpm@universal-planes-dpms - dmesg-warn - *ERROR* timeout waiting for pcode write of 0x00000001 to mbox 17 to finish for bxt_set_cdclk [i915]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103326

--- Comment #3 from Marta Löfstedt <marta.lofstedt at intel.com> ---
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3274/shard-apl1/igt@kms_flip@vblank-vs-modeset-rpm-interruptible.html

Note this also hit a backtrace:


[  356.197331] [drm:sandybridge_pcode_write [i915]] *ERROR* timeout waiting for
pcode write of 0x00000006 to mbox 17 to finish for bxt_set_cdclk [i915]
[  356.197381] [drm:bxt_set_cdclk [i915]] *ERROR* PCode CDCLK freq set failed,
(err -110, freq 144000)
[  356.199523] WARN_ON(!intel_cdclk_state_compare(&dev_priv->cdclk.hw,
&cdclk_state))
[  356.199556] ------------[ cut here ]------------
[  356.199598] WARNING: CPU: 3 PID: 2329 at
drivers/gpu/drm/i915/intel_runtime_pm.c:708
gen9_dc_off_power_well_enable+0x1c5/0x210 [i915]
[  356.199602] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 x86_pkg_temp_thermal coretemp crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec snd_hwdep lpc_ich
snd_hda_core r8169 mii mei_me snd_pcm mei prime_numbers pinctrl_broxton
pinctrl_intel
[  356.199647] CPU: 3 PID: 2329 Comm: kms_flip Tainted: G     U         
4.14.0-rc5-CI-CI_DRM_3274+ #1
[  356.199650] Hardware name:                  /NUC6CAYB, BIOS
AYAPLCEL.86A.0040.2017.0619.1722 06/19/2017
[  356.199654] task: ffff88026a830040 task.stack: ffffc90000a60000
[  356.199692] RIP: 0010:gen9_dc_off_power_well_enable+0x1c5/0x210 [i915]
[  356.199695] RSP: 0018:ffffc90000a63a40 EFLAGS: 00010286
[  356.199700] RAX: 0000000000000046 RBX: ffff880264ec0000 RCX:
0000000000000000
[  356.199703] RDX: 0000000080000001 RSI: 0000000000000001 RDI:
ffffffff810efd60
[  356.199705] RBP: ffffc90000a63a58 R08: 0000000000000001 R09:
0000000000000000
[  356.199708] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff880264ec0000
[  356.199712] R13: ffff880264ec0000 R14: 0000000200000000 R15:
aaaaaaaaaaaaaaab
[  356.199715] FS:  00007f79116aba40(0000) GS:ffff88027fd80000(0000)
knlGS:0000000000000000
[  356.199718] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  356.199722] CR2: 00007f243d66a000 CR3: 0000000273234000 CR4:
00000000003406e0
[  356.199725] Call Trace:
[  356.199767]  intel_power_well_enable+0x3a/0x50 [i915]
[  356.199806]  __intel_display_power_get_domain+0x81/0xa0 [i915]
[  356.199845]  intel_display_power_get+0x35/0x50 [i915]
[  356.199890]  intel_atomic_commit_tail+0xa5f/0xbf0 [i915]
[  356.199939]  intel_atomic_commit+0x21f/0x2b0 [i915]
[  356.199947]  drm_atomic_commit+0x4b/0x50
[  356.199953]  drm_atomic_helper_set_config+0x81/0x90
[  356.199958]  __drm_mode_set_config_internal+0x65/0x110
[  356.199962]  drm_mode_setcrtc+0x4c8/0x650
[  356.199968]  ? preempt_count_add+0x77/0xb0
[  356.199976]  ? drm_mode_getcrtc+0x190/0x190
[  356.199981]  drm_ioctl_kernel+0x69/0xb0
[  356.199986]  drm_ioctl+0x2f9/0x3d0
[  356.199989]  ? drm_mode_getcrtc+0x190/0x190
[  356.199997]  ? __vfs_read+0x28/0x120
[  356.200002]  do_vfs_ioctl+0x94/0x670
[  356.200036]  ? vfs_read+0x12d/0x150
[  356.200041]  SyS_ioctl+0x41/0x70
[  356.200047]  entry_SYSCALL_64_fastpath+0x1c/0xb1
[  356.200051] RIP: 0033:0x7f790f8ac587
[  356.200057] RSP: 002b:00007ffea0320be8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[  356.200061] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
00007f790f8ac587
[  356.200064] RDX: 00007ffea0320c20 RSI: 00000000c06864a2 RDI:
0000000000000003
[  356.200067] RBP: 00007ffea0320cb0 R08: 0000000000000000 R09:
00007ffea03210c8
[  356.200070] R10: 00007ffea0320f74 R11: 0000000000000246 R12:
20c49ba5e353f7cf
[  356.200073] R13: 00007ffea0320da0 R14: 0000000000000002 R15:
00007ffea0320f70
[  356.200080] Code: fe ff ff 8b 72 24 48 89 df e8 f8 c7 08 00 e9 d8 fe ff ff
8b 41 0c eb 82 48 c7 c6 c8 1e 25 a0 48 c7 c7 89 17 24 a0 e8 fc 2e fc e0 <0f> ff
e9 80 fe ff ff 89 c6 48 c7 c7 10 1f 25 a0 e8 e7 2e fc e0 
[  356.200177] ---[ end trace c5edb6a763aade6f ]---

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