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<base href="https://bugs.freedesktop.org/" />
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<body><span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW - Kernel 4.5.0 crashes when docking Lenovo T450s (with external monitor connected): GPF(drm_dp_payload_send_msg)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94534">bug 94534</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Summary</td>
<td>Kernel 4.5.0 crashes when docking Lenovo T450s (with external monitor connected)
</td>
<td>Kernel 4.5.0 crashes when docking Lenovo T450s (with external monitor connected): GPF(drm_dp_payload_send_msg)
</td>
</tr>
<tr>
<td style="text-align:right;">Severity</td>
<td>major
</td>
<td>blocker
</td>
</tr>
<tr>
<td style="text-align:right;">Priority</td>
<td>medium
</td>
<td>highest
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Kernel 4.5.0 crashes when docking Lenovo T450s (with external monitor connected): GPF(drm_dp_payload_send_msg)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94534#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Kernel 4.5.0 crashes when docking Lenovo T450s (with external monitor connected): GPF(drm_dp_payload_send_msg)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94534">bug 94534</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>[ 49.748726] BUG: unable to handle kernel paging request at 000001280000002d
[ 49.748749] IP: [<ffffffffc018028b>] drm_dp_payload_send_msg+0x15b/0x210
[drm_kms_helper]
[ 49.748778] PGD 0
[ 49.748784] Oops: 0000 [#1] SMP
[ 49.748795] Modules linked in: drbg ansi_cprng ctr ccm dm_crypt ip6t_REJECT
nf_reject_ipv6 ip6table_filter ip6_tables iptable_nat nf_nat_ipv4 nf_nat
xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 ipt_REJECT nf_reject_ipv4
xt_conntrack iptable_filter ip_tables x_tables cmac cdc_mbim cdc_wdm cdc_ncm
usbnet cdc_acm mii btusb btrtl btbcm btintel rfcomm bnep bluetooth intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass
crct10dif_pclmul arc4 crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek
snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel binfmt_misc aesni_intel
iwlmvm aes_x86_64 mac80211 lrw gf128mul glue_helper ablk_helper cryptd
snd_hda_codec iwlwifi input_leds joydev serio_raw rtsx_pci_ms cfg80211
intel_pch_thermal snd_hda_core mei_me snd_hwdep thinkpad_acpi memstick
[ 49.749030] snd_pcm lpc_ich mei nvram shpchp snd_timer parport_pc ppdev
nf_conntrack_ftp nf_conntrack snd soundcore lp parport mac_hid rtsx_pci_sdmmc
i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops
psmouse ahci e1000e rtsx_pci libahci drm ptp pps_core wmi fjes video
[ 49.749120] CPU: 3 PID: 1544 Comm: Xorg Tainted: G W
4.5.0-040500-generic #201603140130
[ 49.749144] Hardware name: LENOVO 20BWS00V00/20BWS00V00, BIOS JBET51WW (1.16
) 07/08/2015
[ 49.749166] task: ffff88034cf1aac0 ti: ffff88034cf3c000 task.ti:
ffff88034cf3c000
[ 49.749186] RIP: 0010:[<ffffffffc018028b>] [<ffffffffc018028b>]
drm_dp_payload_send_msg+0x15b/0x210 [drm_kms_helper]
[ 49.749218] RSP: 0018:ffff88034cf3fad0 EFLAGS: 00010282
[ 49.749233] RAX: ffff88034cf1aac0 RBX: 0000012800000005 RCX:
ffff88034a329910
[ 49.749252] RDX: 0000000080000000 RSI: 0000012800000005 RDI:
ffff88034a329910
[ 49.749271] RBP: ffff88034cf3fb20 R08: 00000000000b6ca4 R09:
0000000000002c51
[ 49.749290] R10: 00000000ffff0b9b R11: 0000000000002c51 R12:
ffff880349b364c0
[ 49.749309] R13: ffff88034a329658 R14: ffff88034a329658 R15:
ffff880035c3d000
[ 49.749328] FS: 00007fc2936678c0(0000) GS:ffff88035dcc0000(0000)
knlGS:0000000000000000
[ 49.749350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.749365] CR2: 000001280000002d CR3: 000000034a293000 CR4:
00000000003406e0
[ 49.749384] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 49.749403] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 49.749422] Stack:
[ 49.749428] 0258032002f34f60 ffff88034a329910 ffff88034cf3faf0
000000003463293f
[ 49.749450] 000000003463293f 0000000000000000 ffff880349b364c0
ffff88034a329658
[ 49.749471] 0000000000000000 ffff88034a3299a8 ffff88034cf3fb60
ffffffffc01808d2
[ 49.749493] Call Trace:
[ 49.749504] [<ffffffffc01808d2>] drm_dp_update_payload_part2+0xc2/0x130
[drm_kms_helper]
[ 49.749546] [<ffffffffc024af51>] intel_mst_post_disable_dp+0x41/0xb0 [i915]
[ 49.749580] [<ffffffffc0220228>] haswell_crtc_disable+0x138/0x300 [i915]
[ 49.749612] [<ffffffffc02293e3>] intel_atomic_commit+0x3a3/0xb30 [i915]
[ 49.749640] [<ffffffffc004f0ac>] ? drm_ut_debug_printk+0x6c/0x90 [drm]
[ 49.749667] [<ffffffffc0066c17>] drm_atomic_commit+0x37/0x60 [drm]
[ 49.749688] [<ffffffffc0184bb6>] drm_atomic_helper_set_config+0x76/0xb0
[drm_kms_helper]
[ 49.749717] [<ffffffffc0055c32>] drm_mode_set_config_internal+0x62/0x100
[drm]
[ 49.749745] [<ffffffffc005a5b0>] drm_mode_setcrtc+0x3e0/0x500 [drm]
[ 49.749768] [<ffffffffc004b812>] drm_ioctl+0x152/0x540 [drm]
[ 49.749790] [<ffffffffc005a1d0>] ? drm_mode_setplane+0x1b0/0x1b0 [drm]
[ 49.749810] [<ffffffff81228bd1>] do_vfs_ioctl+0xa1/0x5b0
[ 49.749827] [<ffffffff8108ddc1>] ? __set_task_blocked+0x41/0xa0
[ 49.749844] [<ffffffff81090746>] ? __set_current_blocked+0x36/0x60
[ 49.749862] [<ffffffff81229159>] SyS_ioctl+0x79/0x90
[ 49.749876] [<ffffffff81090a0e>] ? SyS_rt_sigprocmask+0x8e/0xc0
[ 49.749894] [<ffffffff818235f6>] entry_SYSCALL_64_fastpath+0x16/0x75
[ 49.749911] Code: e0 eb d1 49 8d 8e b8 02 00 00 49 8b 9f 30 04 00 00 48 89
cf 48 89 4d b8 e8 63 11 6a c1 49 83 be e8 02 00 00 00 48 8b 4d b8 74 6f <4c> 8b
63 28 4d 85 e4 74 66 49 3b 5c 24 20 74 46 49 8b 9c 24 30
[ 49.749998] RIP [<ffffffffc018028b>] drm_dp_payload_send_msg+0x15b/0x210
[drm_kms_helper]
[ 49.750025] RSP <ffff88034cf3fad0>
[ 49.750034] CR2: 000001280000002d</pre>
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