[Bug 106207] New: [CI] igt at kms_* - dmesg-warn - unknown DP link BW code .., using 162000

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Apr 24 10:50:13 UTC 2018 

https://bugs.freedesktop.org/show_bug.cgi?id=106207

            Bug ID: 106207
           Summary: [CI] igt at kms_* - dmesg-warn - unknown DP link BW code
                    .., using 162000
           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/drmtip_25/fi-bsw-n3050/igt@kms_cursor_crc@cursor-256x256-suspend.html

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_25/fi-bsw-n3050/igt@kms_cursor_crc@cursor-64x64-suspend.html

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_25/fi-bsw-n3050/igt@kms_cursor_legacy@cursor-vs-flip-varying-size.html

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_25/fi-bsw-n3050/igt@kms_properties@connector-properties-atomic.html

[   96.758705] ------------[ cut here ]------------
[   96.758711] unknown DP link BW code 11, using 162000
[   96.758743] WARNING: CPU: 1 PID: 1256 at drivers/gpu/drm/drm_dp_helper.c:159
drm_dp_bw_code_to_link_rate+0x3b/0x50
[   96.758748] Modules linked in: btusb btrtl btbcm btintel bluetooth
ecdh_generic snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic
intel_powerclamp i915 coretemp crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core r8169
lpc_ich mii snd_pcm prime_numbers pinctrl_cherryview
[   96.758872] CPU: 1 PID: 1256 Comm: kms_properties Tainted: G     U  W       
 4.17.0-rc1-gb463d8719fbd-drmtip_25+ #1
[   96.758878] Hardware name:  /NUC5CPYB, BIOS PYBSWCEL.86A.0058.2016.1102.1842
11/02/2016
[   96.758884] RIP: 0010:drm_dp_bw_code_to_link_rate+0x3b/0x50
[   96.758890] RSP: 0018:ffffaf6700befb08 EFLAGS: 00010282
[   96.758900] RAX: 0000000000000000 RBX: ffff8f1f68d20110 RCX:
0000000000000001
[   96.758905] RDX: 0000000080000001 RSI: ffffffffaa084f36 RDI:
00000000ffffffff
[   96.758910] RBP: ffff8f1f68d20110 R08: 00000000140f5de1 R09:
0000000000000000
[   96.758915] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff8f1f68d90000
[   96.758920] R13: ffff8f1f68d81bf8 R14: ffffffffc030cc60 R15:
ffff8f1f68d90000
[   96.758926] FS:  00007fb474d2f980(0000) GS:ffff8f1f7fd00000(0000)
knlGS:0000000000000000
[   96.758931] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.758936] CR2: 0000564574333048 CR3: 000000016e0d4000 CR4:
00000000001006e0
[   96.758941] Call Trace:
[   96.759023]  intel_dp_set_sink_rates+0xd/0x70 [i915]
[   96.759104]  intel_dp_get_dpcd.part.33+0x27/0xd0 [i915]
[   96.759188]  intel_dp_detect+0x1af/0x4d0 [i915]
[   96.759205]  drm_helper_probe_single_connector_modes+0xd2/0x6d0
[   96.759217]  ? __mutex_lock+0x8c/0x9c0
[   96.759223]  ? __mutex_lock+0x425/0x9c0
[   96.759253]  drm_mode_getconnector+0x157/0x3a0
[   96.759277]  ? drm_mode_connector_property_set_ioctl+0x60/0x60
[   96.759286]  drm_ioctl_kernel+0x7c/0xf0
[   96.759300]  drm_ioctl+0x2e6/0x3a0
[   96.759311]  ? drm_mode_connector_property_set_ioctl+0x60/0x60
[   96.759343]  do_vfs_ioctl+0xa0/0x6c0
[   96.759351]  ? lock_acquire+0xa6/0x210
[   96.759370]  ksys_ioctl+0x35/0x60
[   96.759382]  __x64_sys_ioctl+0x11/0x20
[   96.759389]  do_syscall_64+0x55/0x190
[   96.759398]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   96.759403] RIP: 0033:0x7fb4741d15d7
[   96.759409] RSP: 002b:00007ffdaf36fee8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[   96.759419] RAX: ffffffffffffffda RBX: 0000000000000000 RCX:
00007fb4741d15d7
[   96.759424] RDX: 00007ffdaf36ff20 RSI: 00000000c05064a7 RDI:
0000000000000003
[   96.759429] RBP: 00007ffdaf36ff20 R08: 000056457430bf50 R09:
00007fb4744a6c40
[   96.759434] R10: 0000000000000051 R11: 0000000000000246 R12:
00000000c05064a7
[   96.759439] R13: 0000000000000003 R14: 0000000000000003 R15:
00007ffdaf36ff20
[   96.759464] Code: 00 74 0b 40 80 ff 1e b8 10 5c 0c 00 75 0d f3 c3 40 80 ff
06 b8 d0 78 02 00 74 f3 40 0f b6 f7 48 c7 c7 b8 9a 0c aa e8 a5 bb aa ff <0f> 0b
b8 d0 78 02 00 c3 b8 b0 1e 04 00 c3 0f 1f 80 00 00 00 00 
[   96.759751] irq event stamp: 50602
[   96.759758] hardirqs last  enabled at (50601): [<ffffffffa90fbf06>]
console_unlock+0x426/0x640
[   96.759766] hardirqs last disabled at (50602): [<ffffffffa9a0111c>]
error_entry+0x7c/0x100
[   96.759772] softirqs last  enabled at (50486): [<ffffffffa9c0032b>]
__do_softirq+0x32b/0x4e1
[   96.759779] softirqs last disabled at (50477): [<ffffffffa908f594>]
irq_exit+0xa4/0xb0
[   96.759786] WARNING: CPU: 1 PID: 1256 at drivers/gpu/drm/drm_dp_helper.c:159
drm_dp_bw_code_to_link_rate+0x3b/0x50
[   96.759791] ---[ end trace 2a6947b6c39b6c2b ]---

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