No, the errors stopped when I reverted to the Ubuntu 16.04 GA kernel and
X server on May 31.
I have been running error-free for over two weeks with the "linux-
generic" package version 4.4.0.79.85. It appears there may be something
in Linux kernel version 4.8.0-53.56 that caused the problems, but
My system is under warranty, so I'll find out in the next week what Dell
says about the problem. I don't see any way for me to upgrade the
firmware on the device:
http://www.liteonssd.com/en/pcie-ssd/item/client-pcie-ssd/CLIENT-
CX2-SERIES.html
I'm on firmware revision 48811QD, while you're on re
I opened a Service Request yesterday with Dell regarding my Lite-On CX2
NVMe Series drive. The workstation group escalated the support ticket to
their "High Complexity or Ubuntu" group and told me they would get back
to me by tomorrow (in 24-48 hours).
The last time this happened, there were 329 d
Dell asked me to apply the following firmware upgrade, which fixed some
problems on Windows:
LITEONIT Solid State Drive Firmware
http://www.dell.com/support/home/ca/en/cabsdt1/Drivers/DriversDetails?driverId=CWX68
The update program, though, works only on Windows. I'm waiting to find
out from Del
I think I hit this problem, but with the 256 GB Lite-On (or LiteOn) NVMe
M.2 PCIe CX2 Series Enterprise Solid-State Drive Model CA1-8B256 that
came standard in my 2017 Dell Precision Tower 3420.
I'm on the HWE Kernel with the "linux-generic-hwe-16.04" package, having
installed from the Ubuntu 16.0
Oops, wrong model number on the Lite-On drive in my Dell Precision Tower
3420. It should be Lite-On Model CX2-8B256-Q11.
The "nvme list" command reports:
Node: /dev/nvme0n1
Model: CX2-8B256-Q11 NVMe LITEON 256GB
Version: 1.2
Namespace: 1
Usage: 0.00 B / 256.06 GB
Format:512
@kaihengfeng Here you go:
$ sudo nvme id-ctrl /dev/nvme0
NVME Identify Controller:
vid : 0x14a4
ssvid : 0x1b4b
sn : TW0XVRV7LOH006AJ09F1
mn : CX2-8B256-Q11 NVMe LITEON 256GB
fr : 48811QD
rab : 0
ieee: 002303
cmic: 0
mdts: 5
cntlid : 1
ver : 10200
My NVMe drive failed again yesterday. I no longer think the errors are
due to the APST support. I'm starting to think it's either something in
the Linux kernel 4.8.0-53 upgrade or simply a problem with the drive
hardware or firmware.
The time-line of the errors is shown below. Note that I never de
I'm adding the actual errors I saw, just for the record.
What happens is that the root file system becomes read-only due to
errors on the drive. My root file system is a logical volume on an
encrypted partition (LVM with LUKS encryption), mounted and encrypted
with the following options:
$ mount
After wiping out my Ubuntu installation with Windows 10 Pro and running
the firmware upgrade, I discovered that it was an upgrade to the version
I already have (48811QD). I also tried a separate DOS firmware upgrade
program that Dell sent to me by e-mail, with the same result:
Model: CX2-8B256-Q11
I swapped my Lite-On drive for a replacement Samsung drive that Dell
sent to me. As a result, I'm unable to help any further on this bug
report. I returned the Lite-On drive to Dell for further testing.
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