apport information ** Attachment added: "CurrentDmesg.txt" https://bugs.launchpad.net/bugs/1818816/+attachment/5243954/+files/CurrentDmesg.txt
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1818816 Title: Ubuntu 16.04 LTS + "lspci: Cannot open /sys/bus No such file" on Dell 5820 Tower Status in linux package in Ubuntu: Incomplete Bug description: Hello Team, I'm experiencing similiar issue on Ubuntu 16.04 on Dell 5820 Tower over UEFI installation. I'm using Display port monitor, inorder to get proper display I need to download nvidia driver from ppa:graphics- drivers/ppa After install nvidia-384 and did a reboot, still no display, but can able to see the PCI modules conflicted #lspci -v lspci: Cannot open /sys/bus/pci/devices/0000:00:03.0/resource: No such file or directory There is no issue with Ubuntu 18.04 , which is works perfectly on the same machine. Ubuntu 16.04 having issue. Please let me know id there is some issue with the running kernel or any package? Below is the environment details. ================================= Ubuntu 16.04.4 LTS Xenial Kernel - 4.15.0-46-generic NVIDIA Quadro P4000 $lshw -C Display WARNING: you should run this program as super-user. *-display description: VGA compatible controller product: NVIDIA Corporation vendor: NVIDIA Corporation physical id: 0 bus info: pci@0000:65:00.0 version: a1 width: 64 bits clock: 33MHz capabilities: vga_controller bus_master cap_list rom configuration: driver=nvidia latency=0 resources: irq:29 memory:d7000000-d7ffffff memory:c0000000-cfffffff memory:d0000000-d1ffffff ioport:b000(size=128) memory:d8000000-d807ffff #dpkg -l | grep xserver-xorg-core-hwe-16.04 ii xserver-xorg-core-hwe-16.04 2:1.19.5-0ubuntu2~16.04.1 $dpkg -l | grep nvid ii nvidia-384 384.130-0ubuntu0.16.04.1 amd64 NVIDIA binary driver - version 384.130 ii nvidia-opencl-icd-384 384.130-0ubuntu0.16.04.1 amd64 NVIDIA OpenCL ICD ii nvidia-prime 0.8.2 amd64 Tools to enable NVIDIA's Prime ii nvidia-settings 415.27-0ubuntu0~gpu16.04.1 amd64 Tool for configuring the NVIDIA graphics driver #startx xauth: file /root/.Xauthority does not exist X.Org X Server 1.19.5 Release Date: 2017-10-12 X Protocol Version 11, Revision 0 Build Operating System: Linux 4.4.0-101-generic x86_64 Ubuntu Current Operating System: Linux ADUAEIT10755WKLX 4.15.0-46-generic #49~16.04.1-Ubuntu SMP Tue Feb 12 17:45:24 UTC 2019 x86_64 Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.15.0-46-generic root=UUID=87e6e4eb-2008-48bb-8848-3d0184ae89c1 ro quiet splash vt.handoff=7 Build Date: 24 November 2017 09:44:25AM xorg-server 2:1.19.5-0ubuntu2~16.04.1 (For technical support please see http://www.ubuntu.com/support) Current version of pixman: 0.33.6 Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. (==) Log file: "/var/log/Xorg.0.log", Time: Wed Mar 6 15:14:19 2019 (==) Using system config directory "/usr/share/X11/xorg.conf.d" (EE) (EE) Backtrace: (EE) 0: /usr/lib/xorg/Xorg (xorg_backtrace+0x4e) [0x55a968970e1e] (EE) 1: /usr/lib/xorg/Xorg (0x55a9687bf000+0x1b5b89) [0x55a968974b89] (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fe81648b000+0x11390) [0x7fe81649c390] (EE) 3: /usr/lib/x86_64-linux-gnu/libpciaccess.so.0 (pci_device_next+0x118) [0x7fe817ae4a38] (EE) 4: /usr/lib/x86_64-linux-gnu/libpciaccess.so.0 (pci_device_find_by_slot+0x3b) [0x7fe817ae4abb] (EE) 5: /usr/lib/x86_64-linux-gnu/libpciaccess.so.0 (pci_device_vgaarb_init+0xaf) [0x7fe817ae67af] (EE) 6: /usr/lib/xorg/Xorg (0x55a9687bf000+0xb17a9) [0x55a9688707a9] (EE) 7: /usr/lib/xorg/Xorg (xf86BusConfig+0x62) [0x55a968849e62] (EE) 8: /usr/lib/xorg/Xorg (InitOutput+0xa13) [0x55a968857f83] (EE) 9: /usr/lib/xorg/Xorg (0x55a9687bf000+0x581a6) [0x55a9688171a6] (EE) 10: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf0) [0x7fe8160e1830] (EE) 11: /usr/lib/xorg/Xorg (_start+0x29) [0x55a968801329] (EE) (EE) Segmentation fault at address 0x0 (EE) Fatal server error: (EE) Caught signal 11 (Segmentation fault). Server aborting (EE) (EE) Please consult the The X.Org Foundation support at http://wiki.x.org for help. (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information. (EE) (EE) Server terminated with error (1). Closing log file. Thanks --- ApportVersion: 2.20.1-0ubuntu2.15 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D9p', '/dev/snd/pcmC1D8p', '/dev/snd/pcmC1D7p', '/dev/snd/pcmC1D3p', '/dev/snd/controlC1', '/dev/snd/by-path', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 16.04 InstallationDate: Installed on 2019-03-06 (0 days ago) InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228) Lspci: Error: command ['lspci', '-vvnn'] failed with exit code 1: lspci: Cannot open /sys/bus/pci/devices/0000:00:03.0/resource: No such file or directory MachineType: Dell Inc. Precision 5820 Tower NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia Package: linux (not installed) ProcFB: 0 EFI VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-46-generic root=UUID=87e6e4eb-2008-48bb-8848-3d0184ae89c1 ro quiet splash ProcVersionSignature: Ubuntu 4.15.0-46.49~16.04.1-generic 4.15.18 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-4.15.0-46-generic N/A linux-backports-modules-4.15.0-46-generic N/A linux-firmware 1.157.17 RfKill: Tags: xenial Uname: Linux 4.15.0-46-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 07/26/2018 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.7.1 dmi.board.name: 0X8DXD dmi.board.vendor: Dell Inc. dmi.board.version: A01 dmi.chassis.type: 3 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.7.1:bd07/26/2018:svnDellInc.:pnPrecision5820Tower:pvr:rvnDellInc.:rn0X8DXD:rvrA01:cvnDellInc.:ct3:cvr: dmi.product.family: Precision dmi.product.name: Precision 5820 Tower dmi.sys.vendor: Dell Inc. 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