[Bug 109373] New: [CI][SHARDS] igt at kms_invalid_dotclock - dmesg-warn - Missing case (lane_count == 0)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jan 16 09:02:36 UTC 2019 

https://bugs.freedesktop.org/show_bug.cgi?id=109373

            Bug ID: 109373
           Summary: [CI][SHARDS] igt at kms_invalid_dotclock - dmesg-warn -
                    Missing case (lane_count == 0)
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: martin.peres at free.fr
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5430/shard-glk2/igt@kms_invalid_dotclock.html

<7> [1932.700896] [drm:intel_hdmi_compute_config [i915]] picking bpc to 8 for
HDMI output
<7> [1932.701176] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 24
for HDMI
<7> [1932.701400] [drm:intel_hdmi_compute_config [i915]] unsupported HDMI
clock, rejecting mode
<4> [1932.701406] ------------[ cut here ]------------
<4> [1932.701409] Missing case (lane_count == 0)
<4> [1932.701503] WARNING: CPU: 0 PID: 5239 at
drivers/gpu/drm/i915/intel_dpio_phy.c:581
bxt_ddi_phy_calc_lane_lat_optim_mask+0x3d/0x50 [i915]
<4> [1932.701506] Modules linked in: vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic btusb btrtl btbcm
x86_pkg_temp_thermal coretemp btintel crct10dif_pclmul bluetooth crc32_pclmul
ghash_clmulni_intel ecdh_generic realtek i2c_i801 r8169 i915 i2c_hid
snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm mei_me
pinctrl_geminilake pinctrl_intel mei prime_numbers
<4> [1932.701533] CPU: 0 PID: 5239 Comm: kms_invalid_dot Tainted: G     U      
     5.0.0-rc2-CI-CI_DRM_5430+ #1
<4> [1932.701536] Hardware name: Intel Corporation NUC7CJYH/NUC7JYB, BIOS
JYGLKCPX.86A.0027.2018.0125.1347 01/25/2018
<4> [1932.701594] RIP: 0010:bxt_ddi_phy_calc_lane_lat_optim_mask+0x3d/0x50
[i915]
<4> [1932.701597] Code: 00 74 33 31 c0 40 80 ff 01 74 2b 48 83 ec 08 40 0f b6
d7 48 c7 c6 6a 5e 25 a0 48 c7 c7 75 5e 25 a0 88 44 24 07 e8 23 3c f0 e0 <0f> 0b
0f b6 44 24 07 48 83 c4 08 c3 f3 c3 0f 1f 44 00 00 41 56 41
<4> [1932.701600] RSP: 0018:ffffc90000b43a68 EFLAGS: 00010282
<4> [1932.701604] RAX: 0000000000000000 RBX: ffff8882742f9bf8 RCX:
0000000000000000
<4> [1932.701606] RDX: 0000000000000007 RSI: ffffffff820cb679 RDI:
00000000ffffffff
<4> [1932.701608] RBP: ffff8882627c0000 R08: 000000000ed29d71 R09:
0000000000000000
<4> [1932.701611] R10: 0000000000000009 R11: 0000000000000000 R12:
00000000ffffffea
<4> [1932.701613] R13: ffff88826e846678 R14: 0000000000000000 R15:
ffff8882723353d8
<4> [1932.701616] FS:  00007f9795db7980(0000) GS:ffff888277e00000(0000)
knlGS:0000000000000000
<4> [1932.701619] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [1932.701621] CR2: 00007feea8f0e100 CR3: 000000023158a000 CR4:
0000000000340ef0
<4> [1932.701623] Call Trace:
<4> [1932.701682]  intel_ddi_compute_config+0x76/0x80 [i915]
<4> [1932.701741]  intel_atomic_check+0x39a/0x11c0 [i915]
<4> [1932.701752]  ? _raw_spin_unlock_irqrestore+0x4c/0x60
<4> [1932.701759]  drm_atomic_check_only+0x557/0x7f0
<4> [1932.701768]  drm_atomic_commit+0xe/0x50
<4> [1932.701773]  drm_atomic_helper_set_config+0x7b/0x90
<4> [1932.701778]  drm_mode_setcrtc+0x192/0x6e0
<4> [1932.701799]  ? drm_mode_getcrtc+0x180/0x180
<4> [1932.701806]  drm_ioctl_kernel+0x81/0xf0
<4> [1932.701813]  drm_ioctl+0x2f3/0x3b0
<4> [1932.701818]  ? drm_mode_getcrtc+0x180/0x180
<4> [1932.701838]  do_vfs_ioctl+0xa0/0x6e0
<4> [1932.701843]  ? lock_acquire+0xa6/0x1c0
<4> [1932.701849]  ? __task_pid_nr_ns+0xb9/0x1f0
<4> [1932.701856]  ksys_ioctl+0x35/0x60
<4> [1932.701862]  __x64_sys_ioctl+0x11/0x20
<4> [1932.701867]  do_syscall_64+0x55/0x190
<4> [1932.701871]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [1932.701874] RIP: 0033:0x7f97954685d7
<4> [1932.701878] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48
c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d
01 f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48
<4> [1932.701880] RSP: 002b:00007ffe0d37ea38 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
<4> [1932.701883] RAX: ffffffffffffffda RBX: 00007ffe0d37ea70 RCX:
00007f97954685d7
<4> [1932.701886] RDX: 00007ffe0d37ea70 RSI: 00000000c06864a2 RDI:
0000000000000005
<4> [1932.701888] RBP: 00007ffe0d37ea70 R08: 0000000000000000 R09:
00005559774104d8
<4> [1932.701891] R10: 00007ffe0d37eb40 R11: 0000000000000246 R12:
00000000c06864a2
<4> [1932.701893] R13: 0000000000000005 R14: 0000000000000000 R15:
0000000000000000
<4> [1932.701908] irq event stamp: 64410
<4> [1932.701912] hardirqs last  enabled at (64409): [<ffffffff8112235e>]
console_unlock+0x3fe/0x600
<4> [1932.701915] hardirqs last disabled at (64410): [<ffffffff810019b0>]
trace_hardirqs_off_thunk+0x1a/0x1c
<4> [1932.701919] softirqs last  enabled at (64386): [<ffffffff81c0033a>]
__do_softirq+0x33a/0x4b9
<4> [1932.701924] softirqs last disabled at (64373): [<ffffffff810b5081>]
irq_exit+0xd1/0xe0
<4> [1932.701981] WARNING: CPU: 0 PID: 5239 at
drivers/gpu/drm/i915/intel_dpio_phy.c:581
bxt_ddi_phy_calc_lane_lat_optim_mask+0x3d/0x50 [i915]
<4> [1932.701984] ---[ end trace 1a76dbad6a1a52e7 ]---

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