Public bug reported:
Lenovo X1 Carbon 4th gen (Skylake) with the latest firmware.
When plugging a monitor in to the DisplayPort connection on my dock, the
display froze.
No keyboard input appeared to be working, and the "mute" LEDs would not
light when I pressed the F1/Mute key. However the system was still
running as a browser tab was still playing music.
I am running gnome-shell on Ubuntu Xenial.
On the next boot I saw this once logged in. I then rebooted and
submitted this bug report (so the logs collected are from the third
boot. The monitor is working).
[ 18.938152] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 18.938212] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 18.938293] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 18.938339] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 19.235706] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 19.235760] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 19.535835] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 19.535892] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 19.667632] ------------[ cut here ]------------
[ 19.667663] WARNING: CPU: 0 PID: 1505 at
/build/linux-oXTOqc/linux-4.4.0/ubuntu/i915/intel_pm.c:3586
skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo]()
[ 19.667664] WARN_ON(!wm_changed)
[ 19.667665] Modules linked in:
[ 19.667666] ctr ccm ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter
ip_tables xt_conntrack x_tables nf_nat nf_conntrack br_netfilter bridge stp llc
aufs ch341 usbserial bnep binfmt_misc nls_iso8859_1 arc4 acer_wmi sparse_keymap
iwlmvm snd_hda_codec_hdmi mac80211 snd_soc_skl intel_rapl snd_soc_skl_ipc
x86_pkg_temp_thermal snd_hda_codec_conexant intel_powerclamp
snd_hda_codec_generic iwlwifi snd_hda_ext_core coretemp snd_soc_sst_ipc
snd_soc_sst_dsp snd_soc_core cfg80211 rtsx_pci_ms snd_compress memstick
ac97_bus snd_pcm_dmaengine dw_dmac_core snd_hda_intel serio_raw snd_hda_codec
snd_hda_core shpchp uvcvideo mei_me mei cdc_ether videobuf2_vmalloc usbnet
videobuf2_memops videobuf2_v4l2 mii videobuf2_core snd_usb_audio v4l2_common
[ 19.667692] input_leds joydev videodev snd_usbmidi_lib media snd_hwdep
btusb snd_pcm btrtl btbcm btintel bluetooth thinkpad_acpi nvram snd_seq_midi
snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd soundcore
mac_hid kvm_intel kvm irqbypass parport_pc ppdev lp parport autofs4 drbg
ansi_cprng algif_skcipher af_alg hid_logitech ff_memless dm_crypt hid_generic
usbhid hid crct10dif_pclmul crc32_pclmul rtsx_pci_sdmmc aesni_intel i915_bpo
aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd intel_ips i2c_algo_bit
drm_kms_helper e1000e syscopyarea psmouse sysfillrect sysimgblt ptp fb_sys_fops
pps_core drm ahci rtsx_pci libahci wmi video fjes
[ 19.667737] CPU: 0 PID: 1505 Comm: Xorg Not tainted 4.4.0-24-generic
#43-Ubuntu
[ 19.667738] Hardware name: LENOVO 20FCS1B100/20FCS1B100, BIOS N1FET40W (1.14
) 04/18/2016
[ 19.667739] 0000000000000286 000000003fe2363f ffff8804096fb938
ffffffff813eab23
[ 19.667741] ffff8804096fb980 ffffffffc02d1c98 ffff8804096fb970
ffffffff810810d2
[ 19.667742] ffff8800d1bee000 ffff880407f79d9c ffff8800d1beb000
ffff88040844bb78
[ 19.667743] Call Trace:
[ 19.667747] [<ffffffff813eab23>] dump_stack+0x63/0x90
[ 19.667750] [<ffffffff810810d2>] warn_slowpath_common+0x82/0xc0
[ 19.667751] [<ffffffff8108116c>] warn_slowpath_fmt+0x5c/0x80
[ 19.667760] [<ffffffffc020367c>] skl_update_other_pipe_wm+0x16c/0x180
[i915_bpo]
[ 19.667768] [<ffffffffc0203816>] skl_update_wm+0x186/0x5f0 [i915_bpo]
[ 19.667781] [<ffffffffc028f48f>] ?
intel_ddi_enable_transcoder_func+0x17f/0x260 [i915_bpo]
[ 19.667789] [<ffffffffc020753e>] intel_update_watermarks+0x1e/0x30
[i915_bpo]
[ 19.667802] [<ffffffffc0273521>] haswell_crtc_enable+0x321/0x8c0 [i915_bpo]
[ 19.667814] [<ffffffffc026fed8>] intel_atomic_commit+0x5f8/0xdc0 [i915_bpo]
[ 19.667825] [<ffffffffc00807be>] ? drm_atomic_check_only+0x18e/0x590 [drm]
[ 19.667832] [<ffffffffc0080bf7>] drm_atomic_commit+0x37/0x60 [drm]
[ 19.667837] [<ffffffffc017bb16>] drm_atomic_helper_set_config+0x76/0xb0
[drm_kms_helper]
[ 19.667844] [<ffffffffc006fe32>] drm_mode_set_config_internal+0x62/0x100
[drm]
[ 19.667852] [<ffffffffc0074352>] drm_mode_setcrtc+0x3d2/0x4f0 [drm]
[ 19.667857] [<ffffffffc0065742>] drm_ioctl+0x152/0x540 [drm]
[ 19.667863] [<ffffffffc0073f80>] ? drm_mode_setplane+0x1b0/0x1b0 [drm]
[ 19.667866] [<ffffffff8122062f>] do_vfs_ioctl+0x29f/0x490
[ 19.667867] [<ffffffff8108e201>] ? __set_task_blocked+0x41/0xa0
[ 19.667869] [<ffffffff81090b96>] ? __set_current_blocked+0x36/0x60
[ 19.667870] [<ffffffff81220899>] SyS_ioctl+0x79/0x90
[ 19.667871] [<ffffffff81090e4e>] ? SyS_rt_sigprocmask+0x8e/0xc0
[ 19.667874] [<ffffffff81825bf2>] entry_SYSCALL_64_fastpath+0x16/0x71
[ 19.667875] ---[ end trace a3368c078887b324 ]---
[ 19.835690] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 19.835749] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 20.135631] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 20.135671] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 20.435620] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 20.435681] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 20.735646] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 20.735706] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 21.035624] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 21.035670] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 21.335650] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 21.335696] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 37.042726] BUG: unable to handle kernel NULL pointer dereference at
(null)
[ 37.042765] IP: [<ffffffff813f0c91>] __rb_erase_color+0xc1/0x260
[ 37.042801] PGD 0
[ 37.042812] Oops: 0000 [#1] SMP
[ 37.042829] Modules linked in: ctr ccm ipt_MASQUERADE nf_nat_masquerade_ipv4
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype
iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack br_netfilter
bridge stp llc aufs ch341 usbserial bnep binfmt_misc nls_iso8859_1 arc4
acer_wmi sparse_keymap iwlmvm snd_hda_codec_hdmi mac80211 snd_soc_skl
intel_rapl snd_soc_skl_ipc x86_pkg_temp_thermal snd_hda_codec_conexant
intel_powerclamp snd_hda_codec_generic iwlwifi snd_hda_ext_core coretemp
snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_core cfg80211 rtsx_pci_ms snd_compress
memstick ac97_bus snd_pcm_dmaengine dw_dmac_core snd_hda_intel serio_raw
snd_hda_codec snd_hda_core shpchp uvcvideo mei_me mei cdc_ether
videobuf2_vmalloc usbnet videobuf2_memops videobuf2_v4l2 mii videobuf2_core
snd_usb_audio
[ 37.043210] v4l2_common input_leds joydev videodev snd_usbmidi_lib media
snd_hwdep btusb snd_pcm btrtl btbcm btintel bluetooth thinkpad_acpi nvram
snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer
snd soundcore mac_hid kvm_intel kvm irqbypass parport_pc ppdev lp parport
autofs4 drbg ansi_cprng algif_skcipher af_alg hid_logitech ff_memless dm_crypt
hid_generic usbhid hid crct10dif_pclmul crc32_pclmul rtsx_pci_sdmmc aesni_intel
i915_bpo aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd intel_ips
i2c_algo_bit drm_kms_helper e1000e syscopyarea psmouse sysfillrect sysimgblt
ptp fb_sys_fops pps_core drm ahci rtsx_pci libahci wmi video fjes
[ 37.043532] CPU: 2 PID: 234 Comm: plymouthd Tainted: G W
4.4.0-24-generic #43-Ubuntu
[ 37.043562] Hardware name: LENOVO 20FCS1B100/20FCS1B100, BIOS N1FET40W (1.14
) 04/18/2016
[ 37.043593] task: ffff8804088f2c40 ti: ffff880408688000 task.ti:
ffff880408688000
[ 37.043622] RIP: 0010:[<ffffffff813f0c91>] [<ffffffff813f0c91>]
__rb_erase_color+0xc1/0x260
[ 37.043652] RSP: 0018:ffff88040868bd10 EFLAGS: 00010246
[ 37.043669] RAX: ffff880407ef2120 RBX: ffff880407ef2120 RCX: 0000000000000000
[ 37.043690] RDX: 0000000000000000 RSI: ffff88040df83258 RDI: ffff880407ef2120
[ 37.043712] RBP: ffff88040868bd38 R08: ffff880407ef2120 R09: 000000018040003e
[ 37.043736] R10: ffff88040863f980 R11: ffff8804086962b0 R12: 0000000000000000
[ 37.043758] R13: ffffffff811b8890 R14: ffff88040df83258 R15: ffff880408696258
[ 37.043783] FS: 0000000000000000(0000) GS:ffff880421480000(0000)
knlGS:0000000000000000
[ 37.043810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 37.043829] CR2: 0000000000000000 CR3: 000000040851e000 CR4: 00000000003406e0
[ 37.043852] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 37.043877] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 37.043900] Stack:
[ 37.043907] ffff880408696258 ffff8804084e0600 ffff88040df83260
ffff88040df83238
[ 37.043932] ffff880408696258 ffff88040868bd50 ffffffff811b8c30
ffff880408696258
[ 37.043958] ffff88040868bd60 ffffffff811c43f2 ffff88040868bd90
ffffffff811c4e81
[ 37.043986] Call Trace:
[ 37.043999] [<ffffffff811b8c30>] vma_interval_tree_remove+0x180/0x240
[ 37.044022] [<ffffffff811c43f2>] __remove_shared_vm_struct+0x32/0x40
[ 37.044042] [<ffffffff811c4e81>] unlink_file_vma+0x41/0x60
[ 37.044061] [<ffffffff811bd4d9>] free_pgtables+0xa9/0x120
[ 37.044079] [<ffffffff811c8041>] exit_mmap+0xc1/0x170
[ 37.044095] [<ffffffff8107df77>] mmput+0x57/0x130
[ 37.044112] [<ffffffff81083cad>] do_exit+0x27d/0xae0
[ 37.044133] [<ffffffff81084593>] do_group_exit+0x43/0xb0
[ 37.044155] [<ffffffff81084614>] SyS_exit_group+0x14/0x20
[ 37.044175] [<ffffffff81825bf2>] entry_SYSCALL_64_fastpath+0x16/0x71
[ 37.044200] Code: 8b 03 a8 01 0f 84 53 01 00 00 48 83 e0 fc 0f 84 25 01 00
00 48 89 da 48 89 c3 4c 8b 63 08 49 39 d4 0f 85 60 ff ff ff 4c 8b 63 10 <41> f6
04 24 01 75 46 4d 8b 7c 24 08 48 89 d8 48 83 c8 01 4c 89
[ 37.044335] RIP [<ffffffff813f0c91>] __rb_erase_color+0xc1/0x260
[ 37.044362] RSP <ffff88040868bd10>
[ 37.044377] CR2: 0000000000000000
[ 37.050390] ---[ end trace a3368c078887b325 ]---
[ 37.050392] Fixing recursive fault but reboot is needed!
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-24.43-generic 4.4.10
Uname: Linux 4.4.0-24-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: GNOME
Date: Tue Jun 21 15:04:10 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GpuHangFrequency: This is the first time
GraphicsCard:
Intel Corporation Sky Lake Integrated Graphics [8086:1916] (rev 07) (prog-if
00 [VGA controller])
Subsystem: Lenovo Skylake Integrated Graphics [17aa:2238]
InstallationDate: Installed on 2016-05-12 (40 days ago)
InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Release amd64
(20160421)
MachineType: LENOVO 20FCS1B100
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-24-generic.efi.signed
root=/dev/mapper/ubuntu--gnome--vg-root ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/18/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: N1FET40W (1.14 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20FCS1B100
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN1FET40W(1.14):bd04/18/2016:svnLENOVO:pn20FCS1B100:pvrThinkPadX1Carbon4th:rvnLENOVO:rn20FCS1B100:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20FCS1B100
dmi.product.version: ThinkPad X1 Carbon 4th
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20160325-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug freeze ubuntu xenial
--
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1594671
Title:
warn in skl_update_other_pipe_wm
Status in xorg package in Ubuntu:
New
Bug description:
Lenovo X1 Carbon 4th gen (Skylake) with the latest firmware.
When plugging a monitor in to the DisplayPort connection on my dock,
the display froze.
No keyboard input appeared to be working, and the "mute" LEDs would
not light when I pressed the F1/Mute key. However the system was still
running as a browser tab was still playing music.
I am running gnome-shell on Ubuntu Xenial.
On the next boot I saw this once logged in. I then rebooted and
submitted this bug report (so the logs collected are from the third
boot. The monitor is working).
[ 18.938152] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 18.938212] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 18.938293] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 18.938339] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 19.235706] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 19.235760] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 19.535835] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 19.535892] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 19.667632] ------------[ cut here ]------------
[ 19.667663] WARNING: CPU: 0 PID: 1505 at
/build/linux-oXTOqc/linux-4.4.0/ubuntu/i915/intel_pm.c:3586
skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo]()
[ 19.667664] WARN_ON(!wm_changed)
[ 19.667665] Modules linked in:
[ 19.667666] ctr ccm ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter
ip_tables xt_conntrack x_tables nf_nat nf_conntrack br_netfilter bridge stp llc
aufs ch341 usbserial bnep binfmt_misc nls_iso8859_1 arc4 acer_wmi sparse_keymap
iwlmvm snd_hda_codec_hdmi mac80211 snd_soc_skl intel_rapl snd_soc_skl_ipc
x86_pkg_temp_thermal snd_hda_codec_conexant intel_powerclamp
snd_hda_codec_generic iwlwifi snd_hda_ext_core coretemp snd_soc_sst_ipc
snd_soc_sst_dsp snd_soc_core cfg80211 rtsx_pci_ms snd_compress memstick
ac97_bus snd_pcm_dmaengine dw_dmac_core snd_hda_intel serio_raw snd_hda_codec
snd_hda_core shpchp uvcvideo mei_me mei cdc_ether videobuf2_vmalloc usbnet
videobuf2_memops videobuf2_v4l2 mii videobuf2_core snd_usb_audio v4l2_common
[ 19.667692] input_leds joydev videodev snd_usbmidi_lib media snd_hwdep
btusb snd_pcm btrtl btbcm btintel bluetooth thinkpad_acpi nvram snd_seq_midi
snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd soundcore
mac_hid kvm_intel kvm irqbypass parport_pc ppdev lp parport autofs4 drbg
ansi_cprng algif_skcipher af_alg hid_logitech ff_memless dm_crypt hid_generic
usbhid hid crct10dif_pclmul crc32_pclmul rtsx_pci_sdmmc aesni_intel i915_bpo
aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd intel_ips i2c_algo_bit
drm_kms_helper e1000e syscopyarea psmouse sysfillrect sysimgblt ptp fb_sys_fops
pps_core drm ahci rtsx_pci libahci wmi video fjes
[ 19.667737] CPU: 0 PID: 1505 Comm: Xorg Not tainted 4.4.0-24-generic
#43-Ubuntu
[ 19.667738] Hardware name: LENOVO 20FCS1B100/20FCS1B100, BIOS N1FET40W
(1.14 ) 04/18/2016
[ 19.667739] 0000000000000286 000000003fe2363f ffff8804096fb938
ffffffff813eab23
[ 19.667741] ffff8804096fb980 ffffffffc02d1c98 ffff8804096fb970
ffffffff810810d2
[ 19.667742] ffff8800d1bee000 ffff880407f79d9c ffff8800d1beb000
ffff88040844bb78
[ 19.667743] Call Trace:
[ 19.667747] [<ffffffff813eab23>] dump_stack+0x63/0x90
[ 19.667750] [<ffffffff810810d2>] warn_slowpath_common+0x82/0xc0
[ 19.667751] [<ffffffff8108116c>] warn_slowpath_fmt+0x5c/0x80
[ 19.667760] [<ffffffffc020367c>] skl_update_other_pipe_wm+0x16c/0x180
[i915_bpo]
[ 19.667768] [<ffffffffc0203816>] skl_update_wm+0x186/0x5f0 [i915_bpo]
[ 19.667781] [<ffffffffc028f48f>] ?
intel_ddi_enable_transcoder_func+0x17f/0x260 [i915_bpo]
[ 19.667789] [<ffffffffc020753e>] intel_update_watermarks+0x1e/0x30
[i915_bpo]
[ 19.667802] [<ffffffffc0273521>] haswell_crtc_enable+0x321/0x8c0
[i915_bpo]
[ 19.667814] [<ffffffffc026fed8>] intel_atomic_commit+0x5f8/0xdc0
[i915_bpo]
[ 19.667825] [<ffffffffc00807be>] ? drm_atomic_check_only+0x18e/0x590 [drm]
[ 19.667832] [<ffffffffc0080bf7>] drm_atomic_commit+0x37/0x60 [drm]
[ 19.667837] [<ffffffffc017bb16>] drm_atomic_helper_set_config+0x76/0xb0
[drm_kms_helper]
[ 19.667844] [<ffffffffc006fe32>] drm_mode_set_config_internal+0x62/0x100
[drm]
[ 19.667852] [<ffffffffc0074352>] drm_mode_setcrtc+0x3d2/0x4f0 [drm]
[ 19.667857] [<ffffffffc0065742>] drm_ioctl+0x152/0x540 [drm]
[ 19.667863] [<ffffffffc0073f80>] ? drm_mode_setplane+0x1b0/0x1b0 [drm]
[ 19.667866] [<ffffffff8122062f>] do_vfs_ioctl+0x29f/0x490
[ 19.667867] [<ffffffff8108e201>] ? __set_task_blocked+0x41/0xa0
[ 19.667869] [<ffffffff81090b96>] ? __set_current_blocked+0x36/0x60
[ 19.667870] [<ffffffff81220899>] SyS_ioctl+0x79/0x90
[ 19.667871] [<ffffffff81090e4e>] ? SyS_rt_sigprocmask+0x8e/0xc0
[ 19.667874] [<ffffffff81825bf2>] entry_SYSCALL_64_fastpath+0x16/0x71
[ 19.667875] ---[ end trace a3368c078887b324 ]---
[ 19.835690] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 19.835749] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 20.135631] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 20.135671] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 20.435620] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 20.435681] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 20.735646] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 20.735706] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 21.035624] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 21.035670] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 21.335650] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force
128
[ 21.335696] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
[ 37.042726] BUG: unable to handle kernel NULL pointer dereference at
(null)
[ 37.042765] IP: [<ffffffff813f0c91>] __rb_erase_color+0xc1/0x260
[ 37.042801] PGD 0
[ 37.042812] Oops: 0000 [#1] SMP
[ 37.042829] Modules linked in: ctr ccm ipt_MASQUERADE
nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4
xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack
br_netfilter bridge stp llc aufs ch341 usbserial bnep binfmt_misc nls_iso8859_1
arc4 acer_wmi sparse_keymap iwlmvm snd_hda_codec_hdmi mac80211 snd_soc_skl
intel_rapl snd_soc_skl_ipc x86_pkg_temp_thermal snd_hda_codec_conexant
intel_powerclamp snd_hda_codec_generic iwlwifi snd_hda_ext_core coretemp
snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_core cfg80211 rtsx_pci_ms snd_compress
memstick ac97_bus snd_pcm_dmaengine dw_dmac_core snd_hda_intel serio_raw
snd_hda_codec snd_hda_core shpchp uvcvideo mei_me mei cdc_ether
videobuf2_vmalloc usbnet videobuf2_memops videobuf2_v4l2 mii videobuf2_core
snd_usb_audio
[ 37.043210] v4l2_common input_leds joydev videodev snd_usbmidi_lib media
snd_hwdep btusb snd_pcm btrtl btbcm btintel bluetooth thinkpad_acpi nvram
snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer
snd soundcore mac_hid kvm_intel kvm irqbypass parport_pc ppdev lp parport
autofs4 drbg ansi_cprng algif_skcipher af_alg hid_logitech ff_memless dm_crypt
hid_generic usbhid hid crct10dif_pclmul crc32_pclmul rtsx_pci_sdmmc aesni_intel
i915_bpo aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd intel_ips
i2c_algo_bit drm_kms_helper e1000e syscopyarea psmouse sysfillrect sysimgblt
ptp fb_sys_fops pps_core drm ahci rtsx_pci libahci wmi video fjes
[ 37.043532] CPU: 2 PID: 234 Comm: plymouthd Tainted: G W
4.4.0-24-generic #43-Ubuntu
[ 37.043562] Hardware name: LENOVO 20FCS1B100/20FCS1B100, BIOS N1FET40W
(1.14 ) 04/18/2016
[ 37.043593] task: ffff8804088f2c40 ti: ffff880408688000 task.ti:
ffff880408688000
[ 37.043622] RIP: 0010:[<ffffffff813f0c91>] [<ffffffff813f0c91>]
__rb_erase_color+0xc1/0x260
[ 37.043652] RSP: 0018:ffff88040868bd10 EFLAGS: 00010246
[ 37.043669] RAX: ffff880407ef2120 RBX: ffff880407ef2120 RCX:
0000000000000000
[ 37.043690] RDX: 0000000000000000 RSI: ffff88040df83258 RDI:
ffff880407ef2120
[ 37.043712] RBP: ffff88040868bd38 R08: ffff880407ef2120 R09:
000000018040003e
[ 37.043736] R10: ffff88040863f980 R11: ffff8804086962b0 R12:
0000000000000000
[ 37.043758] R13: ffffffff811b8890 R14: ffff88040df83258 R15:
ffff880408696258
[ 37.043783] FS: 0000000000000000(0000) GS:ffff880421480000(0000)
knlGS:0000000000000000
[ 37.043810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 37.043829] CR2: 0000000000000000 CR3: 000000040851e000 CR4:
00000000003406e0
[ 37.043852] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 37.043877] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 37.043900] Stack:
[ 37.043907] ffff880408696258 ffff8804084e0600 ffff88040df83260
ffff88040df83238
[ 37.043932] ffff880408696258 ffff88040868bd50 ffffffff811b8c30
ffff880408696258
[ 37.043958] ffff88040868bd60 ffffffff811c43f2 ffff88040868bd90
ffffffff811c4e81
[ 37.043986] Call Trace:
[ 37.043999] [<ffffffff811b8c30>] vma_interval_tree_remove+0x180/0x240
[ 37.044022] [<ffffffff811c43f2>] __remove_shared_vm_struct+0x32/0x40
[ 37.044042] [<ffffffff811c4e81>] unlink_file_vma+0x41/0x60
[ 37.044061] [<ffffffff811bd4d9>] free_pgtables+0xa9/0x120
[ 37.044079] [<ffffffff811c8041>] exit_mmap+0xc1/0x170
[ 37.044095] [<ffffffff8107df77>] mmput+0x57/0x130
[ 37.044112] [<ffffffff81083cad>] do_exit+0x27d/0xae0
[ 37.044133] [<ffffffff81084593>] do_group_exit+0x43/0xb0
[ 37.044155] [<ffffffff81084614>] SyS_exit_group+0x14/0x20
[ 37.044175] [<ffffffff81825bf2>] entry_SYSCALL_64_fastpath+0x16/0x71
[ 37.044200] Code: 8b 03 a8 01 0f 84 53 01 00 00 48 83 e0 fc 0f 84 25 01 00
00 48 89 da 48 89 c3 4c 8b 63 08 49 39 d4 0f 85 60 ff ff ff 4c 8b 63 10 <41> f6
04 24 01 75 46 4d 8b 7c 24 08 48 89 d8 48 83 c8 01 4c 89
[ 37.044335] RIP [<ffffffff813f0c91>] __rb_erase_color+0xc1/0x260
[ 37.044362] RSP <ffff88040868bd10>
[ 37.044377] CR2: 0000000000000000
[ 37.050390] ---[ end trace a3368c078887b325 ]---
[ 37.050392] Fixing recursive fault but reboot is needed!
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-24.43-generic 4.4.10
Uname: Linux 4.4.0-24-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: GNOME
Date: Tue Jun 21 15:04:10 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GpuHangFrequency: This is the first time
GraphicsCard:
Intel Corporation Sky Lake Integrated Graphics [8086:1916] (rev 07) (prog-if
00 [VGA controller])
Subsystem: Lenovo Skylake Integrated Graphics [17aa:2238]
InstallationDate: Installed on 2016-05-12 (40 days ago)
InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Release amd64
(20160421)
MachineType: LENOVO 20FCS1B100
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-24-generic.efi.signed
root=/dev/mapper/ubuntu--gnome--vg-root ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/18/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: N1FET40W (1.14 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20FCS1B100
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN1FET40W(1.14):bd04/18/2016:svnLENOVO:pn20FCS1B100:pvrThinkPadX1Carbon4th:rvnLENOVO:rn20FCS1B100:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20FCS1B100
dmi.product.version: ThinkPad X1 Carbon 4th
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20160325-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.12-1build2
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