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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - DisplayPort MST (multi-stream transport) assert_plane.constprop.88+0x74/0xb0 [i915]() plane A assertion failure"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91289">91289</a>
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</tr>
<tr>
<th>Summary</th>
<td>DisplayPort MST (multi-stream transport) assert_plane.constprop.88+0x74/0xb0 [i915]() plane A assertion failure
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>louisgarcia1973@gmail.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<pre>Backtrace:
WARNING: CPU: 0 PID: 1656 at drivers/gpu/drm/i915/intel_display.c:1332
assert_plane.constprop.88+0x74/0xb0 [i915]()
plane A assertion failure (expected on, current off)
Modules linked in: uas usb_storage rfcomm fuse cmac xt_CHECKSUM ipt_MASQUERADE
nf_nat_masquerade_ipv4 tun nf_conntrack_netbios_ns nf_conntrack_broadcast
ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_nat
ebtable_broute bridge ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6
nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw
ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4
nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw
bnep dm_crypt arc4 iwlmvm mac80211 intel_rapl iosf_mbi x86_pkg_temp_thermal
coretemp kvm_intel kvm iwlwifi iTCO_wdt iTCO_vendor_support crct10dif_pclmul
crc32_pclmul crc32c_intel snd_soc_rt5640 uvcvideo ghash_clmulni_intel
snd_soc_rl6231 btusb btbcm snd_hda_codec_realtek btintel
cfg80211 snd_soc_core snd_hda_codec_generic snd_hda_codec_hdmi vfat
videobuf2_vmalloc snd_usb_audio videobuf2_core bluetooth fat videobuf2_memops
v4l2_common snd_hda_intel serio_raw videodev snd_hda_controller snd_hda_codec
i2c_i801 lpc_ich mfd_core snd_usbmidi_lib snd_hda_core snd_rawmidi media
snd_compress snd_hwdep snd_pcm_dmaengine snd_seq mei_me snd_seq_device mei
shpchp tpm_tis snd_pcm rfkill tpm snd_timer dw_dmac dw_dmac_core
snd_soc_sst_acpi snd i2c_hid regmap_i2c acpi_pad i2c_designware_platform
soundcore i2c_designware_core nfsd auth_rpcgss nfs_acl lockd grace sunrpc 8021q
garp stp llc mrp i915 i2c_algo_bit drm_kms_helper drm e1000e ptp pps_core
sdhci_acpi sdhci mmc_core video
CPU: 0 PID: 1656 Comm: Xorg Not tainted 4.1.0-1mst.fc22.x86_64 #1
Hardware name: /NUC5i5RYB, BIOS
RYBDWi35.86A.0249.2015.0529.1640 05/29/2015
0000000000000000 0000000010d0af70 ffff8800d8c3b5f8 ffffffff8179a95d
0000000000000000 ffff8800d8c3b650 ffff8800d8c3b638 ffffffff810a163a
0000000100000000 0000000000000000 ffff88003f840000 ffff88003fd2d800
Call Trace:
[<ffffffff8179a95d>] dump_stack+0x45/0x57
[<ffffffff810a163a>] warn_slowpath_common+0x8a/0xc0
[<ffffffff810a16c5>] warn_slowpath_fmt+0x55/0x70
[<ffffffffa01a06c4>] assert_plane.constprop.88+0x74/0xb0 [i915]
[<ffffffffa01a8bd3>] hsw_disable_ips+0x43/0x1a0 [i915]
[<ffffffffa01a8fb1>] intel_crtc_disable_planes+0x41/0x170 [i915]
[<ffffffffa01a9da7>] haswell_crtc_disable+0x47/0x3c0 [i915]
[<ffffffffa01aae9a>] __intel_set_mode+0xbaa/0xce0 [i915]
[<ffffffffa01d4d1c>] ? intel_dp_mst_compute_config+0x17c/0x1c0 [i915]
[<ffffffffa00cb44e>] ? drm_atomic_get_crtc_state+0x1e/0xc0 [drm]
[<ffffffffa01b25ff>] intel_crtc_set_config+0xd3f/0x1080 [i915]
[<ffffffffa00cb3fc>] ? drm_atomic_state_free+0x2c/0x60 [drm]
[<ffffffffa00bb526>] drm_mode_set_config_internal+0x66/0x100 [drm]
[<ffffffffa011fe58>] restore_fbdev_mode+0xc8/0xf0 [drm_kms_helper]
[<ffffffffa0121eb9>] drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80
[drm_kms_helper]
[<ffffffffa0121f32>] drm_fb_helper_set_par+0x22/0x50 [drm_kms_helper]
[<ffffffffa01c182a>] intel_fbdev_set_par+0x1a/0x60 [i915]
[<ffffffff81429df6>] fb_set_var+0x236/0x480
[<ffffffff8120b3df>] ? __slab_free+0xbf/0x260
[<ffffffff81241c4c>] ? do_sys_poll+0x14c/0x600
[<ffffffff8141f8cc>] fbcon_blank+0x34c/0x390
[<ffffffff814a7c2a>] do_unblank_screen+0xda/0x1d0
[<ffffffff8149c96b>] vt_ioctl+0x56b/0x1420
[<ffffffff81336ae7>] ? avc_alloc_node+0x27/0x130
[<ffffffff8148f4c1>] tty_ioctl+0x3f1/0xc30
[<ffffffff813372d8>] ? avc_has_perm+0x128/0x1a0
[<ffffffff8123fc66>] do_vfs_ioctl+0x2c6/0x4d0
[<ffffffff8123fef1>] SyS_ioctl+0x81/0xa0
[<ffffffff81068eff>] ? do_page_fault+0x2f/0x80
[<ffffffff817a0f2e>] system_call_fastpath+0x12/0x71</pre>
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