My NVMe SSD only SOMETIMES does not get detected by linux...

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dimiidk

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I came across this somewhere else so it might be worth a try, there seems to be a bug where an nvme ssd is sometimes not recognized, add the following to your grub and generate a new grub.
Code:
nvme_core.default_ps_max_latency_us=550
Then reboot your system or just see if your problems happens again or not.
Do i add this line in "GRUB_CMDLINE_LINUX_DEFAULT=" or?
 


f33dm3bits

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Do i add this line in "GRUB_CMDLINE_LINUX_DEFAULT=" or?
The other one.
Code:
GRUB_CMDLINE_LINUX="nvme_core.default_ps_max_latency_us=550"
Then run sudo update-grub and then reboot your system.
 
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dimiidk

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The other one.
Code:
GRUB_CMDLINE_LINUX="nvme_core.default_ps_max_latency_us=550"
Then run sudo update-grub and then reboot your system.
tried it, but the issue still happens, I honestly think that it's my BIOS messing stuff up for some reason...
 

childerico

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I am experiencing exactly the same issue on a MSI Modern 15 laptop, equipped with a Kingston OM8PCP3512F-AI1.

I'll try what was suggested above, but I am also wondering whether @dimiidk has some updates on the issue or has eventually fixed it.
 

KGIII

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I am experiencing exactly the same issue on a MSI Modern 15 laptop, equipped with a Kingston OM8PCP3512F-AI1.

I'll try what was suggested above, but I am also wondering whether @dimiidk has some updates on the issue or has eventually fixed it.

What distro are you using? I have that same laptop and it's working just fine. It's even stable enough that I use it as a test device to test daily Lubuntu builds.
 

childerico

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I am using Arch Linux. The laptop works fine, except for this occasional yet annoying issue.
It is only 6 months old and it is in its warranty period. However, since the issue appears randomly, I am afraid that sending the laptop and requesting it to be repaired would only result in a waste of time (and money), as they would probably detect nothing unusual.

I feel it may be due to a firmware issue, but upgrading the firmware of Kingston SSD devices is officially supported only on Windows.
I am considering the idea of replacing the SSD with a new one to see if the issue persists.
 

KGIII

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Hmm... In my case, I updated all the firmware before installing Linux, including the BIOS. (Though that can just be written to USB drive and installed that way.)

I have no special drivers installed. It just worked right out of the box.

That's with Lubuntu. I'd say test in Lubuntu to see if it's a distro thing, but you say it's sporadic. Could it just be a loose connection that maybe only shows up when the device is warm? Have you noticed any commonalities - things that are the same each time this happens?
 

childerico

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I have updated the BIOS as well. It's just the SSD firmware that I haven't managed to update.

I am trying to identify commonalities among the occurrences of the issue. I feel that the issue has mostly/always occurred when I powered on the notebook without the AC power adapter plugged, but I am not 100% sure.

I'll check the physical connection and maybe replace the SSD. Thanks.
 

KGIII

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It probably wouldn't hurt to download the LTS Lubuntu .iso and use it live for a while. It won't be too painful, you can still browse and whatnot. You've got plenty of RAM, so it'll run live swimmingly. If it works, installing Lubuntu with an 'erase all' option takes just a few minutes.
 
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