> On 5 Jan 2018, at 7:28 PM, Steve Roberts <email address hidden> wrote:
> 
> Will this make it into the mainstream kernel updates or how do I track when it is ?
> I just installed 4.13.0-19 and the issue is still there.

I’ll backport it to Artful kernel. Thanks for the notice.

> 
> -- 
> You received this bug notification because you are a bug assignee.
> https://bugs.launchpad.net/bugs/1705748
> 
> Title:
>  Samsung SSD 960 EVO 500GB refused to change power state
> 
> Status in linux package in Ubuntu:
>  Triaged
> 
> Bug description:
>  Originally thought my issue was same as this:
>  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1678184
>  but requested to report as separate bug
> 
>  System becomes unusable at seemingly random times but especially after
>  resume from suspend due to disk 'disappearing' becoming inaccessible,
>  with hundreds of I/O errors logged.
> 
>  After viewing the above bug report yesterday as a quick temporary fix I added kernel param, updated grub, etc with:
>  GRUB_CMDLINE_LINUX_DEFAULT="nvme_core.default_ps_max_latency_us=0"
> 
>  System appears to have been stable for the last day, but is presumably
>  using more power than it should.
> 
>  System, drive details below:
> 
>  M2 nvme drive: Samsung SSD 960 EVO 500GB
> 
>  Ubuntu 4.10.0-26.30~16.04.1-generic 4.10.17
> 
>  M/B Asus Prime B350m-A
>  Ryzen 1600 cpu
> 
>  Jul 20 16:32:59 phs08 kernel: [ 190.893571] INVALID_DEVICE_REQUEST device=00:00.0 address=0xfffffffdf8000000 flags=0x0a00]
>  Jul 20 16:33:05 phs08 kernel: [ 197.010928] nvme 0000:01:00.0: controller is down; will reset: CSTS=0xffffffff, PCI_STATUS=0xffff
>  Jul 20 16:33:05 phs08 kernel: [ 197.046980] pci_raw_set_power_state: 4 callbacks suppressed
>  Jul 20 16:33:05 phs08 kernel: [ 197.046985] nvme 0000:01:00.0: Refused to change power state, currently in D3
>  Jul 20 16:33:05 phs08 kernel: [ 197.047163] nvme nvme0: Removing after probe failure status: -19
>  Jul 20 16:33:05 phs08 kernel: [ 197.047182] nvme0n1: detected capacity change from 500107862016 to 0
>  Jul 20 16:33:05 phs08 kernel: [ 197.047793] blk_update_request: I/O error, dev nvme0n1, sector 0
> 
> 
>  nvme list
> 
>  /dev/nvme0n1 S3EUNX0J305518L Samsung SSD 960 EVO 500GB 1.2 1 125.20 GB
>  / 500.11 GB 512 B + 0 B 2B7QCXE7
> 
>  sudo nvme id-ctrl /dev/nvme0
> 
>  NVME Identify Controller:
>  vid : 0x144d
>  ssvid : 0x144d
>  sn : S3EUNX0J305518L
>  mn : Samsung SSD 960 EVO 500GB
>  fr : 2B7QCXE7
>  rab : 2
>  ieee : 002538
>  cmic : 0
>  mdts : 9
>  cntlid : 2
>  ver : 10200
>  rtd3r : 7a120
>  rtd3e : 4c4b40
>  oaes : 0
>  oacs : 0x7
>  acl : 7
>  aerl : 3
>  frmw : 0x16
>  lpa : 0x3
>  elpe : 63
>  npss : 4
>  avscc : 0x1
>  apsta : 0x1
>  wctemp : 350
>  cctemp : 352
>  mtfa : 0
>  hmpre : 0
>  hmmin : 0
>  tnvmcap : 500107862016
>  unvmcap : 0
>  rpmbs : 0
>  sqes : 0x66
>  cqes : 0x44
>  nn : 1
>  oncs : 0x1f
>  fuses : 0
>  fna : 0x5
>  vwc : 0x1
>  awun : 255
>  awupf : 0
>  nvscc : 1
>  acwu : 0
>  sgls : 0
>  ps 0 : mp:6.04W operational enlat:0 exlat:0 rrt:0 rrl:0
>            rwt:0 rwl:0 idle_power:- active_power:-
>  ps 1 : mp:5.09W operational enlat:0 exlat:0 rrt:1 rrl:1
>            rwt:1 rwl:1 idle_power:- active_power:-
>  ps 2 : mp:4.08W operational enlat:0 exlat:0 rrt:2 rrl:2
>            rwt:2 rwl:2 idle_power:- active_power:-
>  ps 3 : mp:0.0400W non-operational enlat:210 exlat:1500 rrt:3 rrl:3
>            rwt:3 rwl:3 idle_power:- active_power:-
>  ps 4 : mp:0.0050W non-operational enlat:2200 exlat:6000 rrt:4 rrl:4
>            rwt:4 rwl:4 idle_power:- active_power:-
>  --- 
>  ApportVersion: 2.20.1-0ubuntu2.10
>  Architecture: amd64
>  AudioDevicesInUse:
>   USER        PID ACCESS COMMAND
>   /dev/snd/controlC0:  drgrumpy   2192 F.... pulseaudio
>   /dev/snd/pcmC1D0p:   drgrumpy   2192 F...m pulseaudio
>   /dev/snd/controlC1:  drgrumpy   2192 F.... pulseaudio
>  DistroRelease: Linux 18.2
>  EcryptfsInUse: Yes
>  HibernationDevice: RESUME=UUID=a6896cdd-6bac-4e7f-9e13-55460859c3ec
>  InstallationDate: Installed on 2017-07-06 (15 days ago)
>  InstallationMedia: Linux Mint 18.2 "Sonya" - Release amd64 20170628
>  IwConfig:
>   lo        no wireless extensions.
> 
>   enp37s0   no wireless extensions.
>  MachineType: System manufacturer System Product Name
>  Package: linux (not installed)
>  ProcEnviron:
>   LANGUAGE=en_GB:en
>   TERM=xterm
>   PATH=(custom, no user)
>   LANG=en_GB.UTF-8
>   SHELL=/bin/bash
>  ProcFB: 0 nouveaufb
>  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.10.0-26-generic root=UUID=f7ae652b-cbf6-48b8-bc6a-d3963957ab57 ro nvme_core.default_ps_max_latency_us=0
>  ProcVersionSignature: Ubuntu 4.10.0-26.30~16.04.1-generic 4.10.17
>  PulseList:
>   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
>   No PulseAudio daemon running, or not running as session daemon.
>  RelatedPackageVersions:
>   linux-restricted-modules-4.10.0-26-generic N/A
>   linux-backports-modules-4.10.0-26-generic  N/A
>   linux-firmware                             1.157.11
>  RfKill:
> 
>  Tags:  sonya
>  Uname: Linux 4.10.0-26-generic x86_64
>  UpgradeStatus: No upgrade log present (probably fresh install)
>  UserGroups:
> 
>  _MarkForUpload: True
>  dmi.bios.date: 06/20/2017
>  dmi.bios.vendor: American Megatrends Inc.
>  dmi.bios.version: 0805
>  dmi.board.asset.tag: Default string
>  dmi.board.name: PRIME B350M-A
>  dmi.board.vendor: ASUSTeK COMPUTER INC.
>  dmi.board.version: Rev X.0x
>  dmi.chassis.asset.tag: Default string
>  dmi.chassis.type: 3
>  dmi.chassis.vendor: Default string
>  dmi.chassis.version: Default string
>  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0805:bd06/20/2017:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEB350M-A:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:
>  dmi.product.name: System Product Name
>  dmi.product.version: System Version
>  dmi.sys.vendor: System manufacturer
> 
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