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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [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]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103326#c32">Comment # 32</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [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]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103326">bug 103326</a>
from <span class="vcard"><a class="email" href="mailto:marta.lofstedt@intel.com" title="Marta Löfstedt <marta.lofstedt@intel.com>"> <span class="fn">Marta Löfstedt</span></a>
</span></b>
<pre><a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3526/shard-glkb6/igt@kms_flip@blt-flip-vs-panning-interruptible.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3526/shard-glkb6/igt@kms_flip@blt-flip-vs-panning-interruptible.html</a>
[ 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</pre>
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