* NVME drive warns on power-off; smartd reports error log entry increase
@ 2020-04-17 12:49 Christian Kastner
2020-04-22 8:41 ` Christoph Hellwig
0 siblings, 1 reply; 3+ messages in thread
From: Christian Kastner @ 2020-04-17 12:49 UTC (permalink / raw)
To: linux-nvme
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I installed a Samsung 970 EVO Plus NVME drive last year.
After having installed smartd, I now receive a notification after each
reboot, containing the following information:
> The following warning/error was logged by the smartd daemon:
>
> Device: /dev/nvme0, number of Error Log entries increased from 195 to 196
>
> Device info:
> Samsung SSD 970 EVO Plus 500GB, S/N:S4EVNF0M860395T, FW:2B2QEXM7, 500 GB
Furthermore, just a moment before actual power-off, a kernel warning is
printed. (This is something recent, resulting from updates to either the
kernel or systemd on my end).
This warning is not present in any logs, so I assume it is not being
persisted. I took a video of it, and attached a screenshot of the warning.
Is this the appropriate forum to report this issue? If not: could
someone point me to the appropriate forum?
Kernel version is 5.4, more specifically it is Debian's backport for the
buster release, version 5.4.19-1~bpo10+1.
Thanks,
Christian
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: NVME drive warns on power-off; smartd reports error log entry increase
2020-04-17 12:49 NVME drive warns on power-off; smartd reports error log entry increase Christian Kastner
@ 2020-04-22 8:41 ` Christoph Hellwig
2020-04-22 11:30 ` Christian Kastner
0 siblings, 1 reply; 3+ messages in thread
From: Christoph Hellwig @ 2020-04-22 8:41 UTC (permalink / raw)
To: Christian Kastner; +Cc: linux-nvme
On Fri, Apr 17, 2020 at 02:49:52PM +0200, Christian Kastner wrote:
> I installed a Samsung 970 EVO Plus NVME drive last year.
>
> After having installed smartd, I now receive a notification after each
> reboot, containing the following information:
>
> > The following warning/error was logged by the smartd daemon:
> >
> > Device: /dev/nvme0, number of Error Log entries increased from 195 to 196
> >
> > Device info:
> > Samsung SSD 970 EVO Plus 500GB, S/N:S4EVNF0M860395T, FW:2B2QEXM7, 500 GB
>
> Furthermore, just a moment before actual power-off, a kernel warning is
> printed. (This is something recent, resulting from updates to either the
> kernel or systemd on my end).
Can you check with the latest Linux 5.6 upstream kernel if that still
shows up? I have a hard time figuring out what weird mix of patches
any given distro kernel has. Alternatively report it to the debian
bug tracking system (bugs.debian.org).
For the error log:
Please run
nvme error-log /dev/nvme0
after the reboot (make sure nvme-cli is installed) which will tell us
what entry showed up in the error log.
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: NVME drive warns on power-off; smartd reports error log entry increase
2020-04-22 8:41 ` Christoph Hellwig
@ 2020-04-22 11:30 ` Christian Kastner
0 siblings, 0 replies; 3+ messages in thread
From: Christian Kastner @ 2020-04-22 11:30 UTC (permalink / raw)
To: linux-nvme
On 2020-04-22 10:41, Christoph Hellwig wrote:
> Can you check with the latest Linux 5.6 upstream kernel if that still
> shows up? I have a hard time figuring out what weird mix of patches
> any given distro kernel has. Alternatively report it to the debian
> bug tracking system (bugs.debian.org).
I tried it with 5.6.6 and a olddefconfig, and I didn't see the warning
this time.
It could indeed be Debian-specific, or have been fixed after 5.4. I will
attempt to try out our own latest kernel to determine which is the case.
> For the error log:
>
> Please run
>
> nvme error-log /dev/nvme0
>
> after the reboot (make sure nvme-cli is installed) which will tell us
> what entry showed up in the error log.
This never showed anything (I've tried it in the past):
Error Log Entries for device:nvme0 entries:64
.................
Entry[ 0]
.................
error_count : 0
sqid : 0
cmdid : 0
status_field : 0(SUCCESS: The command completed successfully)
parm_err_loc : 0
lba : 0
nsid : 0
vs : 0
cs : 0
.................
Oddly enough, smartctl keeps reporting an increase of what appears to be
a counter,
Error Information Log Entries: 208
yet further down in the output, the nvme error-log output is mirrored again:
Error Information (NVMe Log 0x01, max 64 entries)
No Errors Logged
In any case, continuing this at bugs.debian.org as you suggested now
seems more appropriate.
Thanks,
Christian
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^ permalink raw reply [flat|nested] 3+ messages in thread
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