[Bug 103326] [CI] igt@* - dmesg-warn - *ERROR* timeout waiting for pcode write of 0x0000000[0, 1, 6] 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 #32 from Marta Löfstedt <marta.lofstedt at intel.com> ---
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3526/shard-glkb6/igt@kms_flip@blt-flip-vs-panning-interruptible.html



[  408.957910] [drm:sandybridge_pcode_write [i915]] *ERROR* timeout waiting for
pcode write of 0x80000000 to mbox 17 to finish for bxt_set_cdclk [i915]
[  408.958004] [drm:intel_set_cdclk [i915]] *ERROR* PCode CDCLK freq change
notify failed (err -110, freq 316800)
[  408.958009] ------------[ cut here ]------------
[  408.958011] cdclk state doesn't match!
[  408.958077] WARNING: CPU: 2 PID: 4119 at
drivers/gpu/drm/i915/intel_cdclk.c:1859 intel_set_cdclk+0x52/0x100 [i915]
[  408.958080] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp i915
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec
snd_hwdep snd_hda_core snd_pcm r8169 mii mei_me mei prime_numbers i2c_hid
pinctrl_geminilake pinctrl_intel
[  408.958150] CPU: 2 PID: 4119 Comm: kms_flip Tainted: G     U          
4.15.0-rc3-CI-CI_DRM_3526+ #1
[  408.958154] Hardware name: Intel Corp. Geminilake/GLK RVP2 LP4SD (07), BIOS
GELKRVPA.X64.0069.B31.1710111133 10/11/2017
[  408.958187] RIP: 0010:intel_set_cdclk+0x52/0x100 [i915]
[  408.958190] RSP: 0018:ffffc900004dfb18 EFLAGS: 00010296
[  408.958195] RAX: 000000000000001a RBX: ffff880169fc0000 RCX:
0000000000000001
[  408.958198] RDX: 0000000080000001 RSI: ffffffff81cab34d RDI:
00000000ffffffff
[  408.958201] RBP: ffff880169fc61bc R08: ffff88016e1cdae8 R09:
000000007b3f7328
[  408.958203] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff880173a60008
[  408.958206] R13: 0000000000000002 R14: ffff880167f61bf8 R15:
0000000000000003
[  408.958209] FS:  00007fb2b013ea40(0000) GS:ffff88017fd00000(0000)
knlGS:0000000000000000
[  408.958212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  408.958214] CR2: 00007fb2a8b14c90 CR3: 00000001752cc000 CR4:
0000000000340ee0
[  408.958217] Call Trace:
[  408.958254]  intel_atomic_commit_tail+0x9d6/0xce0 [i915]
[  408.958289]  ? intel_atomic_commit_ready+0x3f/0x44 [i915]
[  408.958323]  ? __i915_sw_fence_complete+0x175/0x230 [i915]
[  408.958361]  intel_atomic_commit+0x22a/0x2e0 [i915]
[  408.958370]  drm_atomic_helper_set_config+0x7b/0x90
[  408.958377]  __drm_mode_set_config_internal+0x5c/0x110
[  408.958382]  drm_mode_setcrtc+0x457/0x5d0
[  408.958392]  ? __lock_acquire+0x42c/0x15a0
[  408.958409]  ? drm_mode_getcrtc+0x160/0x160
[  408.958412]  drm_ioctl_kernel+0x60/0xa0
[  408.958419]  drm_ioctl+0x290/0x330
[  408.958425]  ? drm_mode_getcrtc+0x160/0x160
[  408.958441]  do_vfs_ioctl+0x8a/0x680
[  408.958448]  ? __fget+0xff/0x1f0
[  408.958455]  SyS_ioctl+0x36/0x70
[  408.958463]  entry_SYSCALL_64_fastpath+0x1c/0x89
[  408.958466] RIP: 0033:0x7fb2ae33d587
[  408.958469] RSP: 002b:00007fff81207aa8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[  408.958474] RAX: ffffffffffffffda RBX: 0000000000000003 RCX:
00007fb2ae33d587
[  408.958477] RDX: 00007fff81207ae0 RSI: 00000000c06864a2 RDI:
0000000000000003
[  408.958480] RBP: 00007fff81207ae0 R08: 0000000000000000 R09:
00007fff81207f88
[  408.958482] R10: 00007fff81207e34 R11: 0000000000000246 R12:
00000000c06864a2
[  408.958485] R13: 0000000000000003 R14: 00007fff81208028 R15:
00007fff81207e30
[  408.958498] Code: 48 89 ef e8 a1 ff ff ff 48 89 ee 48 89 df ff 93 f0 61 00
00 8b 45 00 39 83 cc 61 00 00 74 5e 48 c7 c7 a4 42 24 a0 e8 ee 51 ee e0 <0f> ff
48 8d bb cc 61 00 00 48 c7 c6 c0 42 24 a0 e8 69 ff ff ff 
[  408.958652] ---[ end trace 8082ac2a062a13cd ]---
[  409.812974] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe C FIFO underrun

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