I'm also experiencing issues since ugprading to 17.04. When I switch to another TTY (via ctrl-alt-f1) the following errors get printed to the screen:
[ 746.341551] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #525023: comm NetworkManager: reading directory iblock 0 [ 746.343318] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #524289: comm pool: reading directory iblock 0 [ 746.356125] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #11272213: comm systemd-udevd: reading directory iblock 0 [ 746.356139] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #11272210: comm systemd-udevd: reading directory iblock 0 [ 746.356332] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #11272193: comm systemd-udevd: reading directory iblock 0 [ 746.356338] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #11272825: comm systemd-udevd: reading directory iblock 0 [ 746.356400] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #11272210: comm systemd-udevd: reading directory iblock 0 [ 746.474632] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #524539: comm unity-settings-: reading directory iblock 0 [ 746.992814] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #5506108: comm BrowserBlocking: reading directory iblock 0 [ 746.304451] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #5506117: comm BrowserBlocking: reading directory iblock 0 I also tried to run `smartctl -t long /dev/nvme0n1p7` however the results seem to indicate that the tool doesn't work with my particular SSD: smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.10.0-19-generic] (local build) Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Model Number: PM951 NVMe SAMSUNG 512GB Serial Number: S29PNX0H611013 Firmware Version: BXV77D0Q PCI Vendor/Subsystem ID: 0x144d IEEE OUI Identifier: 0x002538 Controller ID: 1 Number of Namespaces: 1 Namespace 1 Size/Capacity: 512,110,190,592 [512 GB] Namespace 1 Utilization: 254,982,533,120 [254 GB] Namespace 1 Formatted LBA Size: 512 Local Time is: Mon Apr 17 17:45:48 2017 AEST Firmware Updates (0x06): 3 Slots Optional Admin Commands (0x0017): Security Format Frmw_DL *Other* Optional NVM Commands (0x001f): Comp Wr_Unc DS_Mngmt Wr_Zero Sav/Sel_Feat Maximum Data Transfer Size: 32 Pages Supported Power States St Op Max Active Idle RL RT WL WT Ent_Lat Ex_Lat 0 + 6.00W - - 0 0 0 0 5 5 1 + 4.20W - - 1 1 1 1 30 30 2 + 3.10W - - 2 2 2 2 100 100 3 - 0.0700W - - 3 3 3 3 500 5000 4 - 0.0050W - - 4 4 4 4 2000 22000 Supported LBA Sizes (NSID 0x1) Id Fmt Data Metadt Rel_Perf 0 + 512 0 0 === START OF SMART DATA SECTION === Read NVMe SMART/Health Information failed: NVMe Status 0x2002 ------------------------- I'm using a Dell XPS 15 9550. Is there anything I can do to help you guys debug the issue? -- 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/1678184 Title: APST quirk needed for Samsung 512GB NVMe drive Status in linux package in Ubuntu: Incomplete Bug description: APST support just landed in the latest Zesty kernel (4.10.0-14.16) as part of https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1664602. That patch has a quirk for certain 256GB Samsung drives found in Dell laptops that do not behave well when APST is enabled. I am experiencing the same symptoms with the same model laptop except with a 512GB Samsung. Prior to manually disabling APST the drive would die and system would go down in flames with I/O errors within 20 to 40 minutes of boot. $ sudo nvme list Node SN Model Namespace Usage Format FW Rev ---------------- -------------------- ---------------------------------------- --------- -------------------------- ---------------- -------- /dev/nvme0n1 ************** PM951 NVMe SAMSUNG 512GB 1 500.20 GB / 512.11 GB 512 B + 0 B BXV76D0Q ProblemType: Bug DistroRelease: Ubuntu 17.04 Package: linux-image-4.10.0-14-generic 4.10.0-14.16 ProcVersionSignature: Ubuntu 4.10.0-14.16-generic 4.10.3 Uname: Linux 4.10.0-14-generic x86_64 ApportVersion: 2.20.4-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: ajclayton 3305 F.... pulseaudio CurrentDesktop: Unity:Unity7 Date: Fri Mar 31 09:42:38 2017 InstallationDate: Installed on 2012-09-08 (1665 days ago) InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) MachineType: Dell Inc. XPS 15 9550 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.10.0-14-generic root=UUID=779e5929-5ffb-49b1-9786-1adcde824b7d ro rootflags=subvol=@ noprompt nouveau.modeset=0 log_buf_len=20M RelatedPackageVersions: linux-restricted-modules-4.10.0-14-generic N/A linux-backports-modules-4.10.0-14-generic N/A linux-firmware 1.164 SourcePackage: linux UpgradeStatus: Upgraded to zesty on 2017-03-07 (23 days ago) dmi.bios.date: 04/07/2016 dmi.bios.vendor: Dell Inc. dmi.bios.version: 01.02.00 dmi.board.name: 0N7TVV dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr01.02.00:bd04/07/2016:svnDellInc.:pnXPS159550:pvr:rvnDellInc.:rn0N7TVV:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: XPS 15 9550 dmi.sys.vendor: Dell Inc. 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