[Bug 103326] [CI] igt@* - 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 #14 from Marta Löfstedt <marta.lofstedt at intel.com> ---
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3371/shard-glkb6/igt@kms_flip@rcs-wf_vblank-vs-dpms-interruptible.html

[  290.999148] [drm:sandybridge_pcode_write [i915]] *ERROR* timeout waiting for
pcode write of 0x80000000 to mbox 17 to finish for bxt_set_cdclk [i915]
[  290.999343] [drm:intel_set_cdclk [i915]] *ERROR* PCode CDCLK freq change
notify failed (err -110, freq 316800)
[  290.999348] cdclk state doesn't match!
[  290.999381] ------------[ cut here ]------------
[  290.999440] WARNING: CPU: 1 PID: 4403 at
drivers/gpu/drm/i915/intel_cdclk.c:1859 intel_set_cdclk+0x57/0x100 [i915]
[  290.999444] Modules linked in: snd_hda_intel i915 vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal
intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
snd_hda_codec snd_hwdep snd_hda_core r8169 snd_pcm mii mei_me mei prime_numbers
i2c_hid pinctrl_geminilake pinctrl_intel [last unloaded: i915]
[  290.999512] CPU: 1 PID: 4403 Comm: kms_flip Tainted: G     U         
4.14.0-CI-CI_DRM_3371+ #1
[  290.999515] Hardware name: Intel Corp. Geminilake/GLK RVP2 LP4SD (07), BIOS
GELKRVPA.X64.0069.B31.1710111133 10/11/2017
[  290.999518] task: ffff880172b64ec0 task.stack: ffffc9000084c000
[  290.999552] RIP: 0010:intel_set_cdclk+0x57/0x100 [i915]
[  290.999554] RSP: 0018:ffffc9000084fb50 EFLAGS: 00010282
[  290.999559] RAX: 000000000000001a RBX: ffff88010c9e0000 RCX:
0000000000000001
[  290.999563] RDX: 0000000080000001 RSI: ffffffff81cb9723 RDI:
00000000ffffffff
[  290.999565] RBP: ffff88010c9e561c R08: ffff880172b657a8 R09:
0000000000000000
[  290.999569] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88016c21a548
[  290.999571] R13: 0000000000000000 R14: ffff88017819ca88 R15:
0000000000000003
[  290.999574] FS:  00007f13c6878a40(0000) GS:ffff88017fc80000(0000)
knlGS:0000000000000000
[  290.999577] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.999580] CR2: 00007f13c67f4000 CR3: 000000017058c000 CR4:
00000000003406e0
[  290.999582] Call Trace:
[  290.999620]  intel_atomic_commit_tail+0x9f1/0xd00 [i915]
[  290.999691]  ? intel_atomic_commit_ready+0x44/0x4c [i915]
[  290.999727]  ? __i915_sw_fence_complete+0x17a/0x230 [i915]
[  290.999790]  intel_atomic_commit+0x223/0x2d0 [i915]
[  290.999797]  drm_atomic_connector_commit_dpms+0xe7/0x100
[  290.999803]  set_property_atomic+0xdd/0x100
[  290.999812]  drm_mode_obj_set_property_ioctl+0xc2/0x170
[  290.999817]  ? drm_mode_connector_set_obj_prop+0x70/0x70
[  290.999821]  drm_mode_connector_property_set_ioctl+0x2e/0x40
[  290.999825]  drm_ioctl_kernel+0x65/0xb0
[  290.999830]  drm_ioctl+0x295/0x340
[  290.999835]  ? drm_mode_connector_set_obj_prop+0x70/0x70
[  290.999840]  ? retint_kernel+0x2d/0x2d
[  290.999847]  ? lock_acquire+0xaf/0x200
[  290.999853]  ? __fget+0xe4/0x1f0
[  290.999859]  do_vfs_ioctl+0x8f/0x670
[  290.999864]  ? __fget+0x101/0x1f0
[  290.999869]  SyS_ioctl+0x3b/0x70
[  290.999875]  do_syscall_64+0x5e/0x170
[  290.999880]  entry_SYSCALL64_slow_path+0x25/0x25
[  290.999883] RIP: 0033:0x7f13c4a77587
[  290.999886] RSP: 002b:00007ffe1d410398 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[  290.999891] RAX: ffffffffffffffda RBX: 0000000000000003 RCX:
00007f13c4a77587
[  290.999893] RDX: 00007ffe1d4103d0 RSI: 00000000c01064ab RDI:
0000000000000003
[  290.999896] RBP: 00007ffe1d4103d0 R08: 0000000000000001 R09:
0000000000000060
[  290.999898] R10: 0000000000000000 R11: 0000000000000246 R12:
00000000c01064ab
[  290.999901] R13: 0000000000000003 R14: 0000000000000001 R15:
0000000000000004
[  290.999909] Code: 48 89 ef e8 8c ff ff ff 48 89 ee 48 89 df ff 93 50 56 00
00 8b 45 00 39 83 2c 56 00 00 74 5e 48 c7 c7 e8 89 4d a0 e8 e4 d9 cb e0 <0f> ff
48 8d bb 2c 56 00 00 48 c7 c6 04 8a 4d a0 e8 54 ff ff ff 
[  291.000056] ---[ end trace f03e42956c9d1a68 ]---
[  291.812334] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun

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