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Thread: Intel M.2 SSD 660p not detected in ubuntu

  1. #11
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    Re: Intel M.2 SSD 660p not detected in ubuntu

    This has several links into Acer, but you have to log into Acer to see them.

    https://community.acer.com/en/discus...recovery-drive
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  2. #12
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    Re: Intel M.2 SSD 660p not detected in ubuntu

    Does UEFI bios have a section for managing PCIe devices? That may have options to change the mode of the m.2 device connector. Could be set to 'Auto' (automatically detect from device) but maybe it's set otherwise by Acer; possibly you need to make manual setting instead of Auto.

    NVMe devices don't use AHCI. But SATA devices (like the HDD or SATA SSDs) do.
    Last edited by Dennis N; September 11th, 2019 at 04:55 PM.

  3. #13
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    Re: Intel M.2 SSD 660p not detected in ubuntu

    Does lscpi see it? Any mention in dmesg?
    Code:
    sudo update-pciids
    lspci
    dmesg | grep -i nvm
    It should look like:
    Code:
    07:00.0 Non-Volatile memory controller: Intel Corporation SSDPEKNW020T8 [660p, 2TB] (rev 03)

  4. #14
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    Re: Intel M.2 SSD 660p not detected in ubuntu

    Quote Originally Posted by Dennis N View Post
    Does UEFI bios have a section for managing PCIe devices? That may have options to change the mode of the m.2 device connector. Could be set to 'Auto' (automatically detect from device) but maybe it's set otherwise by Acer; possibly you need to make manual setting instead of Auto.

    NVMe devices don't use AHCI. But SATA devices (like the HDD or SATA SSDs) do.

    I can't change anything in the BIOS, I'm stuck in RST mode, in "SATA mode" section. No other section regarding PCIs devices. My BIOS detect correctly my m.2 drive.

  5. #15
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    Re: Intel M.2 SSD 660p not detected in ubuntu

    Quote Originally Posted by Yellow Pasque View Post
    Does lscpi see it? Any mention in dmesg?
    Code:
    sudo update-pciids
    lspci
    dmesg | grep -i nvm
    It should look like:
    Code:
    07:00.0 Non-Volatile memory controller: Intel Corporation SSDPEKNW020T8 [660p, 2TB] (rev 03)

    Here result of lspci after update-pciids :

    lspci
    00:00.0 Host bridge: Intel Corporation 8th Gen Core 4-core Processor Host Bridge/DRAM Registers [Coffee Lake H] (rev 07)
    00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16) (rev 07)
    00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 630 (Mobile)
    00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
    00:12.0 Signal processing controller: Intel Corporation Cannon Lake PCH Thermal Controller (rev 10)
    00:14.0 USB controller: Intel Corporation Cannon Lake PCH USB 3.1 xHCI Host Controller (rev 10)
    00:14.2 RAM memory: Intel Corporation Cannon Lake PCH Shared SRAM (rev 10)
    00:14.3 Network controller: Intel Corporation Wireless-AC 9560 [Jefferson Peak] (rev 10)
    00:15.0 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH Serial IO I2C Controller #0 (rev 10)
    00:15.1 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH Serial IO I2C Controller #1 (rev 10)
    00:16.0 Communication controller: Intel Corporation Cannon Lake PCH HECI Controller (rev 10)
    00:17.0 RAID bus controller: Intel Corporation 82801 Mobile SATA Controller [RAID mode] (rev 10)
    00:1d.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #14 (rev f0)
    00:1e.0 Communication controller: Intel Corporation Device a328 (rev 10)
    00:1f.0 ISA bridge: Intel Corporation Device a30d (rev 10)
    00:1f.3 Audio device: Intel Corporation Cannon Lake PCH cAVS (rev 10)
    00:1f.4 SMBus: Intel Corporation Cannon Lake PCH SMBus Controller (rev 10)
    00:1f.5 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH SPI Controller (rev 10)
    01:00.0 VGA compatible controller: NVIDIA Corporation GP107M [GeForce GTX 1050 3 GB Max-Q] (rev a1)
    01:00.1 Audio device: NVIDIA Corporation GP107GL High Definition Audio Controller (rev a1)
    06:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 25)

    and result for grep NVM
    [ 1.434908] ahci 0000:00:17.0: Found 1 remapped NVMe devices.

    Is that help someone ?

    Thanks guys !

  6. #16
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    Re: Intel M.2 SSD 660p not detected in ubuntu

    After you update UEFI & SSD firmware, you have to turn on UEFI Secure Boot and login to UEFI. Never forget that password.
    Then you should have more settings available to change.
    If UEFI updated, it often reverts settings to defaults, so you may have to redo some you did before.
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  7. #17
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    Re: Intel M.2 SSD 660p not detected in ubuntu

    Did not work oldfred, I already tried that.

  8. #18
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    Re: Intel M.2 SSD 660p not detected in ubuntu

    Code:
    [ 1.434908] ahci 0000:00:17.0: Found 1 remapped NVMe devices.
    It sounds like you may have one of those hardcoded RAID systems the dev refers to in the third paragraph:

    Some Intel ahci implementations have a completely broken remapping mode
    where they hide one or more NVMe devices behind the bar of an AHCI device.

    Intel refuses to let the OS reprogram the BIOS to switch out of this
    mode at runtime, and so far we're not come up with another good way
    to undo the mess that the Chipset people created. So for now the only
    thing we can do is to alert users about this situation and switch to the
    faster and much saner so called "AHCI" mode insted of the RAID mode in
    the BIOS so that the BIOS does not hide the NVMe devices from us.

    The situation is even worse as at least one vendor (thanks a lot Lenovo..)
    has started hardcoding their BIOS into the "RAID" mode even for laptops
    that don't use AHCI _at all_ and just have a single NVMe device. For now
    there is an unspported Linux-only BIOS that undoes this braindamage,
    but we'll have to see if things are getting better or worse from here.
    https://www.spinics.net/lists/linux-ide/msg53505.html

  9. #19
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    Re: Intel M.2 SSD 660p not detected in ubuntu

    Wow. The manual really lacks info on the BIOS/EFI screen options. That's part of why I would never recommend Acer to anyone who is a "power" or Linux user.

  10. #20
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    Re: Intel M.2 SSD 660p not detected in ubuntu

    That's my exact problem ! Thanks for that info Yellow Pasque. I now know that i'm not the only one
    I'm stuck in RAID mode ... But I don't understand why is that a problem with Linux system ?
    Last edited by vincent-tremblay; September 23rd, 2019 at 03:16 AM.

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