Well...
Seconds after my previous message it happened again.
So it seems the upstream kernel does not fix the problem.
I'm adding GRUB_CMDLINE_LINUX_DEFAULT="nvme_core.default_ps_max_latency_us=250"
again.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1737934
Title:
Samsung SM961 NVMe SSD randomly unmounts/loses connection/unavailable
Status in linux package in Ubuntu:
Confirmed
Bug description:
Seems related to these bugs:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1678184
https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1682704
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1705748
Problem:
At seemingly random times my computer (brand new Lenovo Thinkpad T470) seems
to lose access to the Samsung SM961 256GB SSD drive it has inside. When this
happens the whole OS freezes up and when I try to power down I see a black
terminal-like screen that prints the following errors:
EXT4-fs error (device nvme0n1p2): ext4_find_entry:1431: inode #7471275
(or #741278): comm gmain (or systemd-journal or ...): reading
directory iblock 0
This error seems to be repeated endlessly, though I've only let it go
for a few minutes. No other errors are printed.
This is the only drive it has.
I don't know if this occurs in Windows too since I removed Windows and
installed Ubuntu immediatly after updating the BIOS.
Info:
Distro: Ubuntu MATE 17.10
sudo uname -r
4.13.0-19-generic
sudo nvme get-feature -f 0x0c -H /dev/nvme0 (with latency set to 250)
get-feature:0xc (Autonomous Power State Transition), Current value:0x000001
Autonomous Power State Transition Enable (APSTE): Enabled
Auto PST Entries .................
Entry[ 0]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[ 1]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[ 2]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[ 3]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[ 4]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[ 5]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[ 6]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[ 7]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[ 8]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[ 9]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[10]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[11]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[12]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[13]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[14]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[15]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[16]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[17]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[18]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[19]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[20]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[21]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[22]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[23]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[24]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[25]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[26]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[27]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[28]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[29]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[30]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[31]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
sudo smartctl -a /dev/nvme0
smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.13.0-19-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Number: SAMSUNG MZVLW256HEHP-000L7
Serial Number: S35ENX0JA13385
Firmware Version: 4L7QCXB7
PCI Vendor/Subsystem ID: 0x144d
IEEE OUI Identifier: 0x002538
Total NVM Capacity: 256.060.514.304 [256 GB]
Unallocated NVM Capacity: 0
Controller ID: 2
Number of Namespaces: 1
Namespace 1 Size/Capacity: 256.060.514.304 [256 GB]
Namespace 1 Utilization: 17.834.708.992 [17,8 GB]
Namespace 1 Formatted LBA Size: 512
Local Time is: Wed Dec 13 10:52:39 2017 CET
Firmware Updates (0x16): 3 Slots, no Reset required
Optional Admin Commands (0x0017): Security Format Frmw_DL *Other*
Optional NVM Commands (0x001f): Comp Wr_Unc DS_Mngmt Wr_Zero Sav/Sel_Feat
Warning Comp. Temp. Threshold: 69 Celsius
Critical Comp. Temp. Threshold: 72 Celsius
Supported Power States
St Op Max Active Idle RL RT WL WT Ent_Lat Ex_Lat
0 + 7.60W - - 0 0 0 0 0 0
1 + 6.00W - - 1 1 1 1 0 0
2 + 5.10W - - 2 2 2 2 0 0
3 - 0.0400W - - 3 3 3 3 210 1500
4 - 0.0050W - - 4 4 4 4 2200 6000
Supported LBA Sizes (NSID 0x1)
Id Fmt Data Metadt Rel_Perf
0 + 512 0 0
=== START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
SMART/Health Information (NVMe Log 0x02, NSID 0xffffffff)
Critical Warning: 0x00
Temperature: 35 Celsius
Available Spare: 100%
Available Spare Threshold: 10%
Percentage Used: 0%
Data Units Read: 151.517 [77,5 GB]
Data Units Written: 160.733 [82,2 GB]
Host Read Commands: 1.874.938
Host Write Commands: 1.650.810
Controller Busy Time: 10
Power Cycles: 96
Power On Hours: 14
Unsafe Shutdowns: 78
Media and Data Integrity Errors: 0
Error Information Log Entries: 38
Warning Comp. Temperature Time: 0
Critical Comp. Temperature Time: 0
Temperature Sensor 1: 35 Celsius
Temperature Sensor 2: 61 Celsius
Error Information (NVMe Log 0x01, max 64 entries)
Num ErrCount SQId CmdId Status PELoc LBA NSID VS
0 38 0 0x0018 0x4004 0x02c 0 0 -
1 37 0 0x0017 0x4004 0x02c 0 0 -
2 36 0 0x0018 0x4004 0x02c 0 0 -
3 35 0 0x0017 0x4004 0x02c 0 0 -
4 34 0 0x0018 0x4004 0x02c 0 0 -
5 33 0 0x0017 0x4004 0x02c 0 0 -
6 32 0 0x0018 0x4004 0x02c 0 0 -
7 31 0 0x0017 0x4004 0x02c 0 0 -
8 30 0 0x0018 0x4004 0x02c 0 0 -
9 29 0 0x0017 0x4004 0x02c 0 0 -
10 28 0 0x0018 0x4004 0x02c 0 0 -
11 27 0 0x0017 0x4004 0x02c 0 0 -
12 26 0 0x0018 0x4004 0x02c 0 0 -
13 25 0 0x0017 0x4004 0x02c 0 0 -
14 24 0 0x0018 0x4004 0x02c 0 0 -
15 23 0 0x0017 0x4004 0x02c 0 0 -
... (22 entries not shown)
lspci -nn
00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v6/7th Gen Core
Processor Host Bridge/DRAM Registers [8086:5904] (rev 02)
00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 620
[8086:5916] (rev 02)
00:14.0 USB controller [0c03]: Intel Corporation Sunrise Point-LP USB 3.0
xHCI Controller [8086:9d2f] (rev 21)
00:14.2 Signal processing controller [1180]: Intel Corporation Sunrise
Point-LP Thermal subsystem [8086:9d31] (rev 21)
00:16.0 Communication controller [0780]: Intel Corporation Sunrise Point-LP
CSME HECI #1 [8086:9d3a] (rev 21)
00:1c.0 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express
Root Port [8086:9d10] (rev f1)
00:1c.6 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express
Root Port #7 [8086:9d16] (rev f1)
00:1d.0 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express
Root Port #9 [8086:9d18] (rev f1)
00:1d.2 PCI bridge [0604]: Intel Corporation Device [8086:9d1a] (rev f1)
00:1f.0 ISA bridge [0601]: Intel Corporation Sunrise Point-LP LPC Controller
[8086:9d58] (rev 21)
00:1f.2 Memory controller [0580]: Intel Corporation Sunrise Point-LP PMC
[8086:9d21] (rev 21)
00:1f.3 Audio device [0403]: Intel Corporation Device [8086:9d71] (rev 21)
00:1f.4 SMBus [0c05]: Intel Corporation Sunrise Point-LP SMBus [8086:9d23]
(rev 21)
00:1f.6 Ethernet controller [0200]: Intel Corporation Ethernet Connection (4)
I219-V [8086:15d8] (rev 21)
04:00.0 Network controller [0280]: Intel Corporation Wireless 8265 / 8275
[8086:24fd] (rev 78)
3e:00.0 Non-Volatile memory controller [0108]: Samsung Electronics Co Ltd
NVMe SSD Controller SM961/PM961 [144d:a804]
sudo nvme list
Node SN Model
Namespace Usage Format FW Rev
---------------- --------------------
---------------------------------------- --------- --------------------------
---------------- --------
/dev/nvme0n1 S35ENX0JA13385 SAMSUNG MZVLW256HEHP-000L7
1 17,83 GB / 256,06 GB 512 B + 0 B 4L7QCXB7
I tried looking for kernel errors with dmesg | grep -i nvme and dmesg
| grep -i EXT4-fs, but nothing of value shows up (only that the drive
was mounted).
What have I tried:
Reading the bug reports mentioned above it seemed that my problem should
already be fixed since I'm on kernel 4.13.
Since I still have the problem, I should be able to temporarily fix it by
setting
GRUB_CMDLINE_LINUX_DEFAULT="nvme_core.default_ps_max_latency_us=0"
and running sudo update-grub.
This doesn't help however, since I still get random loss of connection to the
drive. Sometimes this happens after minutes of booting, sometimes after hours,
but I haven't been able to run stable for a full day.
I have tried all values for the latency I found in various bug reports
online, specifically I tried: 0, 250, 5500, 6000 and 11000. It seems to run
most stable with 250 and least stable with 0, where the error happens
seconds/minutes after boot.
I'm at my wits' end here. I could just stick a normal SATA SSD in there but
then this brand new one would be a waste. Any help would be greatly appreciated.
If more info is needed I'll do my best to provide it.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-image-4.13.0-19-generic 4.13.0-19.22
ProcVersionSignature: Ubuntu 4.13.0-19.22-generic 4.13.13
Uname: Linux 4.13.0-19-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: musilitar 1334 F.... pulseaudio
CurrentDesktop: MATE
Date: Wed Dec 13 11:11:54 2017
InstallationDate: Installed on 2017-12-07 (5 days ago)
InstallationMedia: Ubuntu-MATE 17.10 "Artful Aardvark" - Release amd64
(20171018)
MachineType: LENOVO 20HD0001MB
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-19-generic.efi.signed
root=UUID=99902074-7315-4905-8a7d-97b65a09bb74 ro quiet splash
nvme_core.default_ps_max_latency_us=250 vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.13.0-19-generic N/A
linux-backports-modules-4.13.0-19-generic N/A
linux-firmware 1.169.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/10/2017
dmi.bios.vendor: LENOVO
dmi.bios.version: N1QET68W (1.43 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20HD0001MB
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN1QET68W(1.43):bd11/10/2017:svnLENOVO:pn20HD0001MB:pvrThinkPadT470:rvnLENOVO:rn20HD0001MB:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T470
dmi.product.name: 20HD0001MB
dmi.product.version: ThinkPad T470
dmi.sys.vendor: LENOVO
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