Public bug reported: dmesg output follows: [476712.748600] mmc0: new ultra high speed SDR104 SDXC card at address aaaa [476712.750392] mmcblk0: mmc0:aaaa SP64G 59.5 GiB [476712.761168] mmcblk0: p1 [477821.312742] BUG: unable to handle kernel paging request at 0000000000003858 [477821.312771] IP: page_vma_mapped_walk+0x1e7/0x5a0 [477821.312782] PGD 0 [477821.312783] P4D 0
[477821.312800] Oops: 0000 [#1] SMP NOPTI [477821.312810] Modules linked in: cdc_acm unix_diag af_packet_diag netlink_diag uas usb_storage mmc_block xfrm_user xfrm_algo xt_addrtype br_netfilter aufs sctp_diag sctp dccp_diag dccp tcp_diag udp_diag inet_diag ccm xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp joydev bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter rtsx_pci_ms snd_hda_codec_hdmi snd_soc_skl snd_soc_skl_ipc memstick rtsx_pci_sdmmc snd_hda_codec_conexant snd_hda_codec_generic snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_soc_sst_match snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi [477821.312971] snd_seq_midi_event arc4 snd_rawmidi intel_rapl x86_pkg_temp_thermal intel_powerclamp snd_seq kvm_intel binfmt_misc uvcvideo kvm videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 irqbypass nls_iso8859_1 videobuf2_core crct10dif_pclmul videodev crc32_pclmul media ghash_clmulni_intel intel_cstate intel_rapl_perf snd_seq_device snd_timer iwlmvm mac80211 snd psmouse hp_wmi sparse_keymap e1000e ptp pps_core wmi_bmof iwlwifi soundcore cfg80211 idma64 virt_dma ahci mei_me rtsx_pci mei libahci intel_lpss_pci intel_pch_thermal i2c_hid hid intel_lpss_acpi intel_lpss hp_accel lis3lv02d input_polldev hp_wireless acpi_pad coretemp parport_pc ppdev lp parport ip_tables x_tables autofs4 dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio af_alg dm_crypt raid10 raid456 libcrc32c async_raid6_recov [477821.313150] async_memcpy async_pq async_xor xor async_tx raid6_pq raid1 raid0 multipath linear amdgpu amdkfd i915 amd_iommu_v2 radeon aesni_intel aes_x86_64 crypto_simd cryptd glue_helper ttm i2c_algo_bit drm_kms_helper input_leds nvme serio_raw syscopyarea sysfillrect sysimgblt nvme_core fb_sys_fops drm shpchp wmi pinctrl_sunrisepoint video pinctrl_intel mac_hid [477821.313225] CPU: 1 PID: 54 Comm: kswapd0 Not tainted 4.13.0-46-generic #51-Ubuntu [477821.313241] Hardware name: HP HP ZBook 14u G4/828C, BIOS P78 Ver. 01.18 05/16/2018 [477821.313258] task: ffff977d1ba65f00 task.stack: ffffb97b01a9c000 [477821.313274] RIP: 0010:page_vma_mapped_walk+0x1e7/0x5a0 [477821.313287] RSP: 0018:ffffb97b01a9fa70 EFLAGS: 00010246 [477821.313300] RAX: 0000000000000000 RBX: ffffb97b01a9fab8 RCX: ffffb97b01a9fb98 [477821.313315] RDX: 0000000100003808 RSI: 0000000000003808 RDI: ffffebab8ff50980 [477821.313331] RBP: ffffb97b01a9faa0 R08: 000000000000000a R09: 0000000000008ac4 [477821.313356] R10: 0000000000000000 R11: 0000000000000010 R12: ffffebab8ff50980 [477821.313384] R13: 0000000000000000 R14: 0000000100003808 R15: ffff977d01cfcec0 [477821.313402] FS: 0000000000000000(0000) GS:ffff977d2f480000(0000) knlGS:0000000000000000 [477821.313419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [477821.313434] CR2: 0000000000003858 CR3: 000000010340a002 CR4: 00000000003606e0 [477821.313450] Call Trace: [477821.313460] page_referenced_one+0xa1/0x1a0 [477821.313471] rmap_walk_anon+0xfa/0x270 [477821.313482] rmap_walk+0x48/0x60 [477821.313491] page_referenced+0xdc/0x170 [477821.313501] ? rmap_walk_anon+0x270/0x270 [477821.313512] ? page_get_anon_vma+0x90/0x90 [477821.313527] shrink_active_list+0x1d4/0x410 [477821.313539] shrink_node_memcg+0x225/0x770 [477821.313550] shrink_node+0xf7/0x300 [477821.313559] ? shrink_node+0xf7/0x300 [477821.313569] kswapd+0x2b4/0x730 [477821.313578] kthread+0x128/0x140 [477821.313587] ? mem_cgroup_shrink_node+0x190/0x190 [477821.313599] ? kthread_create_on_node+0x70/0x70 [477821.313611] ret_from_fork+0x1f/0x40 [477821.313620] Code: c3 48 85 c0 0f 85 7d fe ff ff e8 15 1f 01 00 85 c0 0f 85 4c ff ff ff 4c 8b 73 10 48 8b 75 d0 4c 89 f0 48 c1 e8 27 25 ff 01 00 00 <48> 8b 56 50 48 8b 3c c2 48 ba ff 0f 00 00 00 c0 ff ff 40 f6 c7 [477821.313677] RIP: page_vma_mapped_walk+0x1e7/0x5a0 RSP: ffffb97b01a9fa70 [477821.313692] CR2: 0000000000003858 [477821.319563] ---[ end trace 5fdf55adc9c23577 ]--- Attempt to umount sdcard said: umount: /media/user/sdcard: target is busy. Attempt to use sudo fuser -k -m /media/user/sdcard gave a reply: Killed New lines appeared in dmesg: [478635.472515] BUG: unable to handle kernel paging request at 000000000000822a [478635.475689] IP: show_map_vma.isra.18+0x4f/0x200 [478635.478576] PGD 0 [478635.478576] P4D 0 [478635.485284] Oops: 0000 [#5] SMP NOPTI [478635.487162] Modules linked in: cdc_acm unix_diag af_packet_diag netlink_diag uas usb_storage mmc_block xfrm_user xfrm_algo xt_addrtype br_netfilter aufs sctp_diag sctp dccp_diag dccp tcp_diag udp_diag inet_diag ccm xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp joydev bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter rtsx_pci_ms snd_hda_codec_hdmi snd_soc_skl snd_soc_skl_ipc memstick rtsx_pci_sdmmc snd_hda_codec_conexant snd_hda_codec_generic snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_soc_sst_match snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi [478635.494035] snd_seq_midi_event arc4 snd_rawmidi intel_rapl x86_pkg_temp_thermal intel_powerclamp snd_seq kvm_intel binfmt_misc uvcvideo kvm videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 irqbypass nls_iso8859_1 videobuf2_core crct10dif_pclmul videodev crc32_pclmul media ghash_clmulni_intel intel_cstate intel_rapl_perf snd_seq_device snd_timer iwlmvm mac80211 snd psmouse hp_wmi sparse_keymap e1000e ptp pps_core wmi_bmof iwlwifi soundcore cfg80211 idma64 virt_dma ahci mei_me rtsx_pci mei libahci intel_lpss_pci intel_pch_thermal i2c_hid hid intel_lpss_acpi intel_lpss hp_accel lis3lv02d input_polldev hp_wireless acpi_pad coretemp parport_pc ppdev lp parport ip_tables x_tables autofs4 dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio af_alg dm_crypt raid10 raid456 libcrc32c async_raid6_recov [478635.500222] async_memcpy async_pq async_xor xor async_tx raid6_pq raid1 raid0 multipath linear amdgpu amdkfd i915 amd_iommu_v2 radeon aesni_intel aes_x86_64 crypto_simd cryptd glue_helper ttm i2c_algo_bit drm_kms_helper input_leds nvme serio_raw syscopyarea sysfillrect sysimgblt nvme_core fb_sys_fops drm shpchp wmi pinctrl_sunrisepoint video pinctrl_intel mac_hid [478635.503483] CPU: 2 PID: 392 Comm: fuser Tainted: G D 4.13.0-46-generic #51-Ubuntu [478635.505081] Hardware name: HP HP ZBook 14u G4/828C, BIOS P78 Ver. 01.18 05/16/2018 [478635.506718] task: ffff977c8bc117c0 task.stack: ffffb97b0a3a4000 [478635.508361] RIP: 0010:show_map_vma.isra.18+0x4f/0x200 [478635.510008] RSP: 0018:ffffb97b0a3a7df8 EFLAGS: 00010246 [478635.511667] RAX: 000000000000820a RBX: ffff977d1837f4b0 RCX: 00000000000001b7 [478635.513284] RDX: 000000000000820a RSI: ffffffff9ba44c00 RDI: ffff977d1837f4b0 [478635.514880] RBP: ffffb97b0a3a7e28 R08: 0000000000001000 R09: 00000000000001b7 [478635.516470] R10: 0000000000000000 R11: ffff977cbb3ad1b5 R12: 0000000008000070 [478635.518005] R13: ffff977cdd36ae00 R14: 000000000000820a R15: ffff977cdd36ae00 [478635.519512] FS: 00007f7b7af2e500(0000) GS:ffff977d2f500000(0000) knlGS:0000000000000000 [478635.520987] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [478635.522432] CR2: 000000000000822a CR3: 000000016ff64004 CR4: 00000000003606e0 [478635.523845] Call Trace: [478635.525237] show_pid_map+0x17/0x40 [478635.526594] seq_read+0x316/0x420 [478635.527908] __vfs_read+0x1b/0x40 [478635.529260] vfs_read+0x8e/0x130 [478635.530556] SyS_read+0x55/0xc0 [478635.531899] entry_SYSCALL_64_fastpath+0x24/0xab [478635.533196] RIP: 0033:0x7f7b7aa68021 [478635.534515] RSP: 002b:00007fff94ceef28 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [478635.535827] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7b7aa68021 [478635.537148] RDX: 0000000000000400 RSI: 0000562e98d9f370 RDI: 0000000000000004 [478635.538441] RBP: 0000562e98db2500 R08: 0000000000000001 R09: 0000000000000000 [478635.539702] R10: 00007f7b7af2e500 R11: 0000000000000246 R12: 0000000000000000 [478635.540968] R13: 000000000000000c R14: 0000562e977eba89 R15: 0000562e977eba8c [478635.542165] Code: 8b 46 40 4c 8b 66 50 4d 85 f6 48 89 45 d0 0f 84 7a 01 00 00 ba 2a 01 00 00 48 c7 c6 00 4c a4 9b 48 89 df e8 b4 73 f2 ff 49 89 c6 <48> 8b 40 20 4c 8b 93 98 00 00 00 48 8b 50 28 4c 8b 78 40 49 c1 [478635.543435] RIP: show_map_vma.isra.18+0x4f/0x200 RSP: ffffb97b0a3a7df8 [478635.544620] CR2: 000000000000822a [478635.545783] ---[ end trace 5fdf55adc9c2357b ]--- ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: xorg 1:7.7+19ubuntu3 ProcVersionSignature: Ubuntu 4.13.0-46.51-generic 4.13.16 Uname: Linux 4.13.0-46-generic x86_64 ApportVersion: 2.20.7-0ubuntu3.9 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None CurrentDesktop: KDE Date: Wed Jul 25 23:14:25 2018 DistUpgraded: 2018-01-11 15:28:39,250 DEBUG Running PostInstallScript: './xorg_fix_proprietary.py' DistroCodename: artful DistroVariant: kubuntu ExtraDebuggingInterest: I just need to know a workaround GraphicsCard: Intel Corporation HD Graphics 620 [8086:5916] (rev 02) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company HD Graphics 620 [103c:828c] Advanced Micro Devices, Inc. [AMD/ATI] Opal XT [Radeon R7 M265] [1002:6604] (rev 81) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company Opal XT [Radeon R7 M265] [103c:8290] InstallationDate: Installed on 2018-01-11 (195 days ago) InstallationMedia: Kubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 04f2:b5ae Chicony Electronics Co., Ltd Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: HP HP ZBook 14u G4 ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-46-generic.efi.signed root=/dev/mapper/dell--vg-dell--root ro radeon.runpm=0 quiet splash nopti noibrs nospectre_v2 resume=/dev/dell-vg/dell-swap SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to artful on 2018-01-11 (195 days ago) dmi.bios.date: 05/16/2018 dmi.bios.vendor: HP dmi.bios.version: P78 Ver. 01.18 dmi.board.name: 828C dmi.board.vendor: HP dmi.board.version: KBC Version 45.41 dmi.chassis.type: 10 dmi.chassis.vendor: HP dmi.modalias: dmi:bvnHP:bvrP78Ver.01.18:bd05/16/2018:svnHP:pnHPZBook14uG4:pvr:rvnHP:rn828C:rvrKBCVersion45.41:cvnHP:ct10:cvr: dmi.product.family: 103C_5336AN HP EliteBook dmi.product.name: HP ZBook 14u G4 dmi.sys.vendor: HP version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.83-1 version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.8-0ubuntu0~17.10.1 version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.8-0ubuntu0~17.10.1 version.xserver-xorg-core: xserver-xorg-core 2:1.19.5-0ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A 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 ** Affects: linux-signed (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug artful kubuntu ** Attachment removed: "XorgLog.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1783643/+attachment/5167806/+files/XorgLog.txt ** Attachment removed: "xdpyinfo.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1783643/+attachment/5167809/+files/xdpyinfo.txt ** Attachment removed: "Xrandr.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1783643/+attachment/5167808/+files/Xrandr.txt ** Attachment removed: "XorgLogOld.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1783643/+attachment/5167807/+files/XorgLogOld.txt ** Attachment removed: "ProcEnviron.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1783643/+attachment/5167802/+files/ProcEnviron.txt ** Package changed: xorg (Ubuntu) => linux-signed (Ubuntu) ** Attachment removed: "ProcCpuinfoMinimal.txt" https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1783643/+attachment/5167801/+files/ProcCpuinfoMinimal.txt ** Attachment removed: "BootLog.txt" https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1783643/+attachment/5167795/+files/BootLog.txt ** Attachment removed: "Dependencies.txt" https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1783643/+attachment/5167797/+files/Dependencies.txt ** Attachment removed: "DpkgLog.txt" https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1783643/+attachment/5167798/+files/DpkgLog.txt ** Attachment removed: "CurrentDmesg.txt" https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1783643/+attachment/5167796/+files/CurrentDmesg.txt -- 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/1783643 Title: System was stuttering during intensive IO on SD card Status in linux-signed package in Ubuntu: New Bug description: dmesg output follows: [476712.748600] mmc0: new ultra high speed SDR104 SDXC card at address aaaa [476712.750392] mmcblk0: mmc0:aaaa SP64G 59.5 GiB [476712.761168] mmcblk0: p1 [477821.312742] BUG: unable to handle kernel paging request at 0000000000003858 [477821.312771] IP: page_vma_mapped_walk+0x1e7/0x5a0 [477821.312782] PGD 0 [477821.312783] P4D 0 [477821.312800] Oops: 0000 [#1] SMP NOPTI [477821.312810] Modules linked in: cdc_acm unix_diag af_packet_diag netlink_diag uas usb_storage mmc_block xfrm_user xfrm_algo xt_addrtype br_netfilter aufs sctp_diag sctp dccp_diag dccp tcp_diag udp_diag inet_diag ccm xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp joydev bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter rtsx_pci_ms snd_hda_codec_hdmi snd_soc_skl snd_soc_skl_ipc memstick rtsx_pci_sdmmc snd_hda_codec_conexant snd_hda_codec_generic snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_soc_sst_match snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi [477821.312971] snd_seq_midi_event arc4 snd_rawmidi intel_rapl x86_pkg_temp_thermal intel_powerclamp snd_seq kvm_intel binfmt_misc uvcvideo kvm videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 irqbypass nls_iso8859_1 videobuf2_core crct10dif_pclmul videodev crc32_pclmul media ghash_clmulni_intel intel_cstate intel_rapl_perf snd_seq_device snd_timer iwlmvm mac80211 snd psmouse hp_wmi sparse_keymap e1000e ptp pps_core wmi_bmof iwlwifi soundcore cfg80211 idma64 virt_dma ahci mei_me rtsx_pci mei libahci intel_lpss_pci intel_pch_thermal i2c_hid hid intel_lpss_acpi intel_lpss hp_accel lis3lv02d input_polldev hp_wireless acpi_pad coretemp parport_pc ppdev lp parport ip_tables x_tables autofs4 dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio af_alg dm_crypt raid10 raid456 libcrc32c async_raid6_recov [477821.313150] async_memcpy async_pq async_xor xor async_tx raid6_pq raid1 raid0 multipath linear amdgpu amdkfd i915 amd_iommu_v2 radeon aesni_intel aes_x86_64 crypto_simd cryptd glue_helper ttm i2c_algo_bit drm_kms_helper input_leds nvme serio_raw syscopyarea sysfillrect sysimgblt nvme_core fb_sys_fops drm shpchp wmi pinctrl_sunrisepoint video pinctrl_intel mac_hid [477821.313225] CPU: 1 PID: 54 Comm: kswapd0 Not tainted 4.13.0-46-generic #51-Ubuntu [477821.313241] Hardware name: HP HP ZBook 14u G4/828C, BIOS P78 Ver. 01.18 05/16/2018 [477821.313258] task: ffff977d1ba65f00 task.stack: ffffb97b01a9c000 [477821.313274] RIP: 0010:page_vma_mapped_walk+0x1e7/0x5a0 [477821.313287] RSP: 0018:ffffb97b01a9fa70 EFLAGS: 00010246 [477821.313300] RAX: 0000000000000000 RBX: ffffb97b01a9fab8 RCX: ffffb97b01a9fb98 [477821.313315] RDX: 0000000100003808 RSI: 0000000000003808 RDI: ffffebab8ff50980 [477821.313331] RBP: ffffb97b01a9faa0 R08: 000000000000000a R09: 0000000000008ac4 [477821.313356] R10: 0000000000000000 R11: 0000000000000010 R12: ffffebab8ff50980 [477821.313384] R13: 0000000000000000 R14: 0000000100003808 R15: ffff977d01cfcec0 [477821.313402] FS: 0000000000000000(0000) GS:ffff977d2f480000(0000) knlGS:0000000000000000 [477821.313419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [477821.313434] CR2: 0000000000003858 CR3: 000000010340a002 CR4: 00000000003606e0 [477821.313450] Call Trace: [477821.313460] page_referenced_one+0xa1/0x1a0 [477821.313471] rmap_walk_anon+0xfa/0x270 [477821.313482] rmap_walk+0x48/0x60 [477821.313491] page_referenced+0xdc/0x170 [477821.313501] ? rmap_walk_anon+0x270/0x270 [477821.313512] ? page_get_anon_vma+0x90/0x90 [477821.313527] shrink_active_list+0x1d4/0x410 [477821.313539] shrink_node_memcg+0x225/0x770 [477821.313550] shrink_node+0xf7/0x300 [477821.313559] ? shrink_node+0xf7/0x300 [477821.313569] kswapd+0x2b4/0x730 [477821.313578] kthread+0x128/0x140 [477821.313587] ? mem_cgroup_shrink_node+0x190/0x190 [477821.313599] ? kthread_create_on_node+0x70/0x70 [477821.313611] ret_from_fork+0x1f/0x40 [477821.313620] Code: c3 48 85 c0 0f 85 7d fe ff ff e8 15 1f 01 00 85 c0 0f 85 4c ff ff ff 4c 8b 73 10 48 8b 75 d0 4c 89 f0 48 c1 e8 27 25 ff 01 00 00 <48> 8b 56 50 48 8b 3c c2 48 ba ff 0f 00 00 00 c0 ff ff 40 f6 c7 [477821.313677] RIP: page_vma_mapped_walk+0x1e7/0x5a0 RSP: ffffb97b01a9fa70 [477821.313692] CR2: 0000000000003858 [477821.319563] ---[ end trace 5fdf55adc9c23577 ]--- Attempt to umount sdcard said: umount: /media/user/sdcard: target is busy. Attempt to use sudo fuser -k -m /media/user/sdcard gave a reply: Killed New lines appeared in dmesg: [478635.472515] BUG: unable to handle kernel paging request at 000000000000822a [478635.475689] IP: show_map_vma.isra.18+0x4f/0x200 [478635.478576] PGD 0 [478635.478576] P4D 0 [478635.485284] Oops: 0000 [#5] SMP NOPTI [478635.487162] Modules linked in: cdc_acm unix_diag af_packet_diag netlink_diag uas usb_storage mmc_block xfrm_user xfrm_algo xt_addrtype br_netfilter aufs sctp_diag sctp dccp_diag dccp tcp_diag udp_diag inet_diag ccm xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp joydev bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter rtsx_pci_ms snd_hda_codec_hdmi snd_soc_skl snd_soc_skl_ipc memstick rtsx_pci_sdmmc snd_hda_codec_conexant snd_hda_codec_generic snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_soc_sst_match snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi [478635.494035] snd_seq_midi_event arc4 snd_rawmidi intel_rapl x86_pkg_temp_thermal intel_powerclamp snd_seq kvm_intel binfmt_misc uvcvideo kvm videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 irqbypass nls_iso8859_1 videobuf2_core crct10dif_pclmul videodev crc32_pclmul media ghash_clmulni_intel intel_cstate intel_rapl_perf snd_seq_device snd_timer iwlmvm mac80211 snd psmouse hp_wmi sparse_keymap e1000e ptp pps_core wmi_bmof iwlwifi soundcore cfg80211 idma64 virt_dma ahci mei_me rtsx_pci mei libahci intel_lpss_pci intel_pch_thermal i2c_hid hid intel_lpss_acpi intel_lpss hp_accel lis3lv02d input_polldev hp_wireless acpi_pad coretemp parport_pc ppdev lp parport ip_tables x_tables autofs4 dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio af_alg dm_crypt raid10 raid456 libcrc32c async_raid6_recov [478635.500222] async_memcpy async_pq async_xor xor async_tx raid6_pq raid1 raid0 multipath linear amdgpu amdkfd i915 amd_iommu_v2 radeon aesni_intel aes_x86_64 crypto_simd cryptd glue_helper ttm i2c_algo_bit drm_kms_helper input_leds nvme serio_raw syscopyarea sysfillrect sysimgblt nvme_core fb_sys_fops drm shpchp wmi pinctrl_sunrisepoint video pinctrl_intel mac_hid [478635.503483] CPU: 2 PID: 392 Comm: fuser Tainted: G D 4.13.0-46-generic #51-Ubuntu [478635.505081] Hardware name: HP HP ZBook 14u G4/828C, BIOS P78 Ver. 01.18 05/16/2018 [478635.506718] task: ffff977c8bc117c0 task.stack: ffffb97b0a3a4000 [478635.508361] RIP: 0010:show_map_vma.isra.18+0x4f/0x200 [478635.510008] RSP: 0018:ffffb97b0a3a7df8 EFLAGS: 00010246 [478635.511667] RAX: 000000000000820a RBX: ffff977d1837f4b0 RCX: 00000000000001b7 [478635.513284] RDX: 000000000000820a RSI: ffffffff9ba44c00 RDI: ffff977d1837f4b0 [478635.514880] RBP: ffffb97b0a3a7e28 R08: 0000000000001000 R09: 00000000000001b7 [478635.516470] R10: 0000000000000000 R11: ffff977cbb3ad1b5 R12: 0000000008000070 [478635.518005] R13: ffff977cdd36ae00 R14: 000000000000820a R15: ffff977cdd36ae00 [478635.519512] FS: 00007f7b7af2e500(0000) GS:ffff977d2f500000(0000) knlGS:0000000000000000 [478635.520987] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [478635.522432] CR2: 000000000000822a CR3: 000000016ff64004 CR4: 00000000003606e0 [478635.523845] Call Trace: [478635.525237] show_pid_map+0x17/0x40 [478635.526594] seq_read+0x316/0x420 [478635.527908] __vfs_read+0x1b/0x40 [478635.529260] vfs_read+0x8e/0x130 [478635.530556] SyS_read+0x55/0xc0 [478635.531899] entry_SYSCALL_64_fastpath+0x24/0xab [478635.533196] RIP: 0033:0x7f7b7aa68021 [478635.534515] RSP: 002b:00007fff94ceef28 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [478635.535827] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7b7aa68021 [478635.537148] RDX: 0000000000000400 RSI: 0000562e98d9f370 RDI: 0000000000000004 [478635.538441] RBP: 0000562e98db2500 R08: 0000000000000001 R09: 0000000000000000 [478635.539702] R10: 00007f7b7af2e500 R11: 0000000000000246 R12: 0000000000000000 [478635.540968] R13: 000000000000000c R14: 0000562e977eba89 R15: 0000562e977eba8c [478635.542165] Code: 8b 46 40 4c 8b 66 50 4d 85 f6 48 89 45 d0 0f 84 7a 01 00 00 ba 2a 01 00 00 48 c7 c6 00 4c a4 9b 48 89 df e8 b4 73 f2 ff 49 89 c6 <48> 8b 40 20 4c 8b 93 98 00 00 00 48 8b 50 28 4c 8b 78 40 49 c1 [478635.543435] RIP: show_map_vma.isra.18+0x4f/0x200 RSP: ffffb97b0a3a7df8 [478635.544620] CR2: 000000000000822a [478635.545783] ---[ end trace 5fdf55adc9c2357b ]--- ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: xorg 1:7.7+19ubuntu3 ProcVersionSignature: Ubuntu 4.13.0-46.51-generic 4.13.16 Uname: Linux 4.13.0-46-generic x86_64 ApportVersion: 2.20.7-0ubuntu3.9 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None CurrentDesktop: KDE Date: Wed Jul 25 23:14:25 2018 DistUpgraded: 2018-01-11 15:28:39,250 DEBUG Running PostInstallScript: './xorg_fix_proprietary.py' DistroCodename: artful DistroVariant: kubuntu ExtraDebuggingInterest: I just need to know a workaround GraphicsCard: Intel Corporation HD Graphics 620 [8086:5916] (rev 02) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company HD Graphics 620 [103c:828c] Advanced Micro Devices, Inc. [AMD/ATI] Opal XT [Radeon R7 M265] [1002:6604] (rev 81) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company Opal XT [Radeon R7 M265] [103c:8290] InstallationDate: Installed on 2018-01-11 (195 days ago) InstallationMedia: Kubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 04f2:b5ae Chicony Electronics Co., Ltd Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: HP HP ZBook 14u G4 ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-46-generic.efi.signed root=/dev/mapper/dell--vg-dell--root ro radeon.runpm=0 quiet splash nopti noibrs nospectre_v2 resume=/dev/dell-vg/dell-swap SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to artful on 2018-01-11 (195 days ago) dmi.bios.date: 05/16/2018 dmi.bios.vendor: HP dmi.bios.version: P78 Ver. 01.18 dmi.board.name: 828C dmi.board.vendor: HP dmi.board.version: KBC Version 45.41 dmi.chassis.type: 10 dmi.chassis.vendor: HP dmi.modalias: dmi:bvnHP:bvrP78Ver.01.18:bd05/16/2018:svnHP:pnHPZBook14uG4:pvr:rvnHP:rn828C:rvrKBCVersion45.41:cvnHP:ct10:cvr: dmi.product.family: 103C_5336AN HP EliteBook dmi.product.name: HP ZBook 14u G4 dmi.sys.vendor: HP version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.83-1 version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.8-0ubuntu0~17.10.1 version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.8-0ubuntu0~17.10.1 version.xserver-xorg-core: xserver-xorg-core 2:1.19.5-0ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1783643/+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