Public bug reported: I am using two monitors for work. And when I moved aplication rhythmbox from first to second monitor, the screen session was logout and I have to login again. After it I found following error by dmesg
>> dmesg [ 2753.218761] BUG: unable to handle kernel paging request at 000009fffb9d8290 [ 2753.218811] IP: __radix_tree_lookup+0x0/0x130 [ 2753.218826] PGD 0 [ 2753.218827] P4D 0 [ 2753.218852] Oops: 0000 [#1] SMP [ 2753.218865] Modules linked in: ccm pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) xt_CHECKSUM iptable_mangle xfrm_user xfrm_algo xt_addrtype ipt_MASQUERADE br_netfilter nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp bridge stp aufs llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter binfmt_misc uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core videodev media intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel snd_hda_codec_hdmi snd_hda_codec_conexant arc4 snd_hda_codec_generic aes_x86_64 crypto_simd glue_helper cryptd intel_cstate snd_hda_intel joydev snd_hda_codec input_leds iwldvm snd_hda_core [ 2753.219080] serio_raw snd_hwdep mac80211 snd_seq_midi snd_seq_midi_event snd_rawmidi iwlwifi snd_seq wmi_bmof snd_pcm intel_ips cfg80211 thinkpad_acpi nvram mei_me lpc_ich mei shpchp snd_seq_device snd_timer snd soundcore mac_hid nf_nat_pptp nf_nat_proto_gre nf_conntrack_pptp nf_conntrack_proto_gre nf_nat nf_conntrack libcrc32c parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic usbhid hid i915 i2c_algo_bit mxm_wmi drm_kms_helper firewire_ohci psmouse syscopyarea sysfillrect firewire_core sysimgblt ahci fb_sys_fops libahci e1000e drm sdhci_pci sdhci crc_itu_t ptp pps_core video wmi [ 2753.219250] CPU: 3 PID: 9728 Comm: Web Content Tainted: G OE 4.13.0-17-generic #20-Ubuntu [ 2753.219277] Hardware name: LENOVO 4384BR2/4384BR2, BIOS 6MET81WW (1.41 ) 10/26/2010 [ 2753.219300] task: ffff8fc0a893ac00 task.stack: ffffa27dc2e10000 [ 2753.219320] RIP: 0010:__radix_tree_lookup+0x0/0x130 [ 2753.219336] RSP: 0000:ffffa27dc2e13cd8 EFLAGS: 00010246 [ 2753.219353] RAX: 0000000000000000 RBX: 000009fffb9d8288 RCX: ffffa27dc2e13ce0 [ 2753.219375] RDX: 0000000000000000 RSI: 0003fffe3f010f91 RDI: 000009fffb9d8288 [ 2753.219397] RBP: ffffa27dc2e13cf0 R08: ffff8fc04cd94000 R09: 00007f95eec25010 [ 2753.219418] R10: 0000000000000083 R11: 00007f95eec84290 R12: 0003fffe3f010f91 [ 2753.219440] R13: 000009fffb9d8280 R14: 0003fffe3f010f91 R15: ffff8fc04cd94000 [ 2753.219463] FS: 00007f9626bed1c0(0000) GS:ffff8fc0bbd80000(0000) knlGS:0000000000000000 [ 2753.219487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2753.219505] CR2: 000009fffb9d8290 CR3: 00000001b618c000 CR4: 00000000000006e0 [ 2753.219527] Call Trace: [ 2753.219539] ? radix_tree_lookup_slot+0x22/0x50 [ 2753.219559] find_get_entry+0x1e/0xd0 [ 2753.219573] pagecache_get_page+0x2c/0x210 [ 2753.219590] lookup_swap_cache+0x43/0x90 [ 2753.219605] do_swap_page+0x95/0x700 [ 2753.219618] ? do_wp_page+0x157/0x500 [ 2753.219632] __handle_mm_fault+0x70c/0x1020 [ 2753.219647] handle_mm_fault+0xb1/0x200 [ 2753.219663] __do_page_fault+0x24d/0x4d0 [ 2753.219677] do_page_fault+0x22/0x30 [ 2753.219693] page_fault+0x28/0x30 ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: xorg 1:7.7+19ubuntu3 ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8 Uname: Linux 4.13.0-17-generic x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.7-0ubuntu3.5 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Tue Nov 28 11:04:19 2017 DistUpgraded: 2017-10-03 22:32:45,006 DEBUG icon theme changed, re-reading DistroCodename: artful DistroVariant: ubuntu DkmsStatus: virtualbox, 5.1.30, 4.13.0-16-generic, x86_64: installed virtualbox, 5.1.30, 4.13.0-17-generic, x86_64: installed ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller]) Subsystem: Lenovo Core Processor Integrated Graphics Controller [17aa:215a] InstallationDate: Installed on 2015-11-01 (757 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) JournalErrors: Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system. Users in the 'systemd-journal' group can see all messages. Pass -q to turn off this notice. No journal files were opened due to insufficient permissions. MachineType: LENOVO 4384BR2 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=cs_CZ.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-17-generic root=/dev/mapper/vg-ubuntu--root ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display Title: Xorg crash UpgradeStatus: Upgraded to artful on 2017-10-03 (55 days ago) dmi.bios.date: 10/26/2010 dmi.bios.vendor: LENOVO dmi.bios.version: 6MET81WW (1.41 ) dmi.board.name: 4384BR2 dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr6MET81WW(1.41):bd10/26/2010:svnLENOVO:pn4384BR2:pvrThinkPadT510:rvnLENOVO:rn4384BR2:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.family: ThinkPad T510 dmi.product.name: 4384BR2 dmi.product.version: ThinkPad T510 dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.13.1+17.10.20170901-0ubuntu1 version.libdrm2: libdrm2 2.4.83-1 version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.2-0ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.2-0ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.19.5-0ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.10.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20170309-0ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2 xserver.bootTime: Tue Oct 3 21:30:47 2017 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.19.3-1ubuntu1.1 xserver.video_driver: modeset ** Affects: xorg (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug artful crash ubuntu wayland-session -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1734858 Title: Xorg crash - Xwayland Status in xorg package in Ubuntu: New Bug description: I am using two monitors for work. And when I moved aplication rhythmbox from first to second monitor, the screen session was logout and I have to login again. After it I found following error by dmesg >> dmesg [ 2753.218761] BUG: unable to handle kernel paging request at 000009fffb9d8290 [ 2753.218811] IP: __radix_tree_lookup+0x0/0x130 [ 2753.218826] PGD 0 [ 2753.218827] P4D 0 [ 2753.218852] Oops: 0000 [#1] SMP [ 2753.218865] Modules linked in: ccm pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) xt_CHECKSUM iptable_mangle xfrm_user xfrm_algo xt_addrtype ipt_MASQUERADE br_netfilter nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp bridge stp aufs llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter binfmt_misc uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core videodev media intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel snd_hda_codec_hdmi snd_hda_codec_conexant arc4 snd_hda_codec_generic aes_x86_64 crypto_simd glue_helper cryptd intel_cstate snd_hda_intel joydev snd_hda_codec input_leds iwldvm snd_hda_core [ 2753.219080] serio_raw snd_hwdep mac80211 snd_seq_midi snd_seq_midi_event snd_rawmidi iwlwifi snd_seq wmi_bmof snd_pcm intel_ips cfg80211 thinkpad_acpi nvram mei_me lpc_ich mei shpchp snd_seq_device snd_timer snd soundcore mac_hid nf_nat_pptp nf_nat_proto_gre nf_conntrack_pptp nf_conntrack_proto_gre nf_nat nf_conntrack libcrc32c parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic usbhid hid i915 i2c_algo_bit mxm_wmi drm_kms_helper firewire_ohci psmouse syscopyarea sysfillrect firewire_core sysimgblt ahci fb_sys_fops libahci e1000e drm sdhci_pci sdhci crc_itu_t ptp pps_core video wmi [ 2753.219250] CPU: 3 PID: 9728 Comm: Web Content Tainted: G OE 4.13.0-17-generic #20-Ubuntu [ 2753.219277] Hardware name: LENOVO 4384BR2/4384BR2, BIOS 6MET81WW (1.41 ) 10/26/2010 [ 2753.219300] task: ffff8fc0a893ac00 task.stack: ffffa27dc2e10000 [ 2753.219320] RIP: 0010:__radix_tree_lookup+0x0/0x130 [ 2753.219336] RSP: 0000:ffffa27dc2e13cd8 EFLAGS: 00010246 [ 2753.219353] RAX: 0000000000000000 RBX: 000009fffb9d8288 RCX: ffffa27dc2e13ce0 [ 2753.219375] RDX: 0000000000000000 RSI: 0003fffe3f010f91 RDI: 000009fffb9d8288 [ 2753.219397] RBP: ffffa27dc2e13cf0 R08: ffff8fc04cd94000 R09: 00007f95eec25010 [ 2753.219418] R10: 0000000000000083 R11: 00007f95eec84290 R12: 0003fffe3f010f91 [ 2753.219440] R13: 000009fffb9d8280 R14: 0003fffe3f010f91 R15: ffff8fc04cd94000 [ 2753.219463] FS: 00007f9626bed1c0(0000) GS:ffff8fc0bbd80000(0000) knlGS:0000000000000000 [ 2753.219487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2753.219505] CR2: 000009fffb9d8290 CR3: 00000001b618c000 CR4: 00000000000006e0 [ 2753.219527] Call Trace: [ 2753.219539] ? radix_tree_lookup_slot+0x22/0x50 [ 2753.219559] find_get_entry+0x1e/0xd0 [ 2753.219573] pagecache_get_page+0x2c/0x210 [ 2753.219590] lookup_swap_cache+0x43/0x90 [ 2753.219605] do_swap_page+0x95/0x700 [ 2753.219618] ? do_wp_page+0x157/0x500 [ 2753.219632] __handle_mm_fault+0x70c/0x1020 [ 2753.219647] handle_mm_fault+0xb1/0x200 [ 2753.219663] __do_page_fault+0x24d/0x4d0 [ 2753.219677] do_page_fault+0x22/0x30 [ 2753.219693] page_fault+0x28/0x30 ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: xorg 1:7.7+19ubuntu3 ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8 Uname: Linux 4.13.0-17-generic x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.7-0ubuntu3.5 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Tue Nov 28 11:04:19 2017 DistUpgraded: 2017-10-03 22:32:45,006 DEBUG icon theme changed, re-reading DistroCodename: artful DistroVariant: ubuntu DkmsStatus: virtualbox, 5.1.30, 4.13.0-16-generic, x86_64: installed virtualbox, 5.1.30, 4.13.0-17-generic, x86_64: installed ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller]) Subsystem: Lenovo Core Processor Integrated Graphics Controller [17aa:215a] InstallationDate: Installed on 2015-11-01 (757 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) JournalErrors: Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system. Users in the 'systemd-journal' group can see all messages. Pass -q to turn off this notice. No journal files were opened due to insufficient permissions. MachineType: LENOVO 4384BR2 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=cs_CZ.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-17-generic root=/dev/mapper/vg-ubuntu--root ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display Title: Xorg crash UpgradeStatus: Upgraded to artful on 2017-10-03 (55 days ago) dmi.bios.date: 10/26/2010 dmi.bios.vendor: LENOVO dmi.bios.version: 6MET81WW (1.41 ) dmi.board.name: 4384BR2 dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr6MET81WW(1.41):bd10/26/2010:svnLENOVO:pn4384BR2:pvrThinkPadT510:rvnLENOVO:rn4384BR2:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.family: ThinkPad T510 dmi.product.name: 4384BR2 dmi.product.version: ThinkPad T510 dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.13.1+17.10.20170901-0ubuntu1 version.libdrm2: libdrm2 2.4.83-1 version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.2-0ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.2-0ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.19.5-0ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.10.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20170309-0ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2 xserver.bootTime: Tue Oct 3 21:30:47 2017 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.19.3-1ubuntu1.1 xserver.video_driver: modeset To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1734858/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp