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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 0x00000001 to mbox 17 to finish for bxt_set_cdclk [i915]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103326#c24">Comment # 24</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@* - dmesg-warn - *ERROR* timeout waiting for pcode write of 0x00000001 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_3449/shard-glkb1/igt@kms_flip@rcs-wf_vblank-vs-dpms.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3449/shard-glkb1/igt@kms_flip@rcs-wf_vblank-vs-dpms.html</a>
[ 641.712581] [drm:sandybridge_pcode_write [i915]] *ERROR* timeout waiting for
pcode write of 0x80000000 to mbox 17 to finish for bxt_set_cdclk [i915]
[ 641.712683] [drm:intel_set_cdclk [i915]] *ERROR* PCode CDCLK freq change
notify failed (err -110, freq 316800)
[ 641.712688] ------------[ cut here ]------------
[ 641.712691] cdclk state doesn't match!
[ 641.712758] WARNING: CPU: 3 PID: 5698 at
drivers/gpu/drm/i915/intel_cdclk.c:1859 intel_set_cdclk+0x52/0x100 [i915]
[ 641.712762] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp i915 coretemp
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec
snd_hwdep snd_hda_core mei_me mei snd_pcm r8169 mii prime_numbers i2c_hid
pinctrl_geminilake pinctrl_intel
[ 641.712863] CPU: 3 PID: 5698 Comm: kms_flip Tainted: G U
4.15.0-rc2-CI-CI_DRM_3449+ #1
[ 641.712866] Hardware name: Intel Corp. Geminilake/GLK RVP2 LP4SD (07), BIOS
GELKRVPA.X64.0062.B30.1708222146 08/22/2017
[ 641.712870] task: 000000003c48215c task.stack: 0000000084df96fe
[ 641.712908] RIP: 0010:intel_set_cdclk+0x52/0x100 [i915]
[ 641.712939] RSP: 0018:ffffc900007cfb68 EFLAGS: 00010292
[ 641.712944] RAX: 000000000000001a RBX: ffff880167ec0000 RCX:
0000000000000001
[ 641.712947] RDX: 0000000080000001 RSI: ffffffff81ca8e7d RDI:
00000000ffffffff
[ 641.712950] RBP: ffff880167ec60dc R08: ffff88016a81dab8 R09:
00000000370c1748
[ 641.712952] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88016f866678
[ 641.712955] R13: 0000000000000002 R14: ffff88016e72e678 R15:
0000000000000003
[ 641.712958] FS: 00007f82d1c76a40(0000) GS:ffff88017fd80000(0000)
knlGS:0000000000000000
[ 641.712961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 641.712964] CR2: 00007f82d1bf2000 CR3: 0000000178613000 CR4:
0000000000340ee0
[ 641.712967] Call Trace:
[ 641.713007] intel_atomic_commit_tail+0xa18/0xd20 [i915]
[ 641.713047] ? intel_atomic_commit_ready+0x3f/0x44 [i915]
[ 641.713081] ? __i915_sw_fence_complete+0x175/0x230 [i915]
[ 641.713124] intel_atomic_commit+0x22a/0x2e0 [i915]
[ 641.713134] drm_atomic_connector_commit_dpms+0xe2/0xf0
[ 641.713140] set_property_atomic+0xde/0x100
[ 641.713154] drm_mode_obj_set_property_ioctl+0xbd/0x170
[ 641.713161] ? drm_mode_connector_set_obj_prop+0x70/0x70
[ 641.713165] drm_mode_connector_property_set_ioctl+0x29/0x30
[ 641.713171] drm_ioctl_kernel+0x60/0xa0
[ 641.713177] drm_ioctl+0x290/0x330
[ 641.713184] ? drm_mode_connector_set_obj_prop+0x70/0x70
[ 641.713200] do_vfs_ioctl+0x8a/0x680
[ 641.713206] ? __fget+0xff/0x1f0
[ 641.713214] SyS_ioctl+0x36/0x70
[ 641.713222] entry_SYSCALL_64_fastpath+0x1c/0x89
[ 641.713225] RIP: 0033:0x7f82cfe75587
[ 641.713228] RSP: 002b:00007fff053fb848 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[ 641.713233] RAX: ffffffffffffffda RBX: 0000000000000003 RCX:
00007f82cfe75587
[ 641.713236] RDX: 00007fff053fb880 RSI: 00000000c01064ab RDI:
0000000000000003
[ 641.713239] RBP: 00007fff053fb7a0 R08: 0000000000000001 R09:
0000000000000060
[ 641.713241] R10: 0000000000000000 R11: 0000000000000246 R12:
0000000000000001
[ 641.713244] R13: 00007fff053fb7e0 R14: 000055bbb824e600 R15:
0000000000000002
[ 641.713258] Code: 48 89 ef e8 a1 ff ff ff 48 89 ee 48 89 df ff 93 10 61 00
00 8b 45 00 39 83 ec 60 00 00 74 5e 48 c7 c7 97 4d 24 a0 e8 ee f2 ed e0 <0f> ff
48 8d bb ec 60 00 00 48 c7 c6 b3 4d 24 a0 e8 69 ff ff ff
[ 641.713413] ---[ end trace 5819e4453604ce20 ]---
[ 642.547172] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe C FIFO underrun</pre>
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