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#26 2021-02-20 01:07:25

alex_bgoode
Member
Registered: 2021-02-20
Posts: 14

Re: nvme not detected

Here is the boot from 5.4 https://gist.github.com/Alex-BGoode/af4 … eb6a0f4dea

Since I am not able to boot with 5.10 I am not sure how to get the corresponding logs. I get thrown into a emergency shell while booting:

ERROR: resume: hibernation device '/dev/mapper/arch-swap' not found
ERROR: device '/dev/mapper/arch-root' not found. Skipping fsck.
You are now being dropped into an emergency shell.
sh: can't access tty; job control turned off
[rootfs ]# _

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#27 2021-02-20 01:10:27

loqs
Member
Registered: 2014-03-06
Posts: 12,987

Re: nvme not detected

From the emergency shell can you execute the following and post if there are any matches other than for the command line

dmesg | grep -i nvme

Edit:
Also check in /dev if the nvme device nodes are present.

Last edited by loqs (2021-02-20 01:11:54)

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#28 2021-02-20 01:18:43

alex_bgoode
Member
Registered: 2021-02-20
Posts: 14

Re: nvme not detected

I would have to type everything from the photo I took (and I am happy if that helps), but maybe the crucial line is

    nvme nvme0: Removing after probe failure status: -19

Edit:
The device nodes in /dev (i.e. nvme0n1p1 etc) are not present


Edit2:

Output of dmesg | grep -i nvme

Command line: BOOT_IMAGE=/vmlinuz-linux-lts root=/dev/mapper/arch-root rw cryptdevice=/dev/nvme0n1p3:arch-encrypted resume=/dev/mapper/arch-swap i915.enable_dc=0 i915.enable_fbc=0 i915.enable_psr=0 audit=0 loglevel=3 quiet

Kernel command line: BOOT_IMAGE=/vmlinuz-linux-lts root=/dev/mapper/arch-root rw cryptdevice=/dev/nvme0n1p3:arch-encrypted resume=/dev/mapper/arch-swap i915.enable_dc=0 i915.enable_fbc=0 i915.enable_psr=0 audit=0 loglevel=3 quiet

nvme nvme0: pci function 0000:04:00.0

nvme nvme0: Removing after probe failure status: -19

cryptdevice=/dev/nvme0n1p3:arch-encrypted

Last edited by alex_bgoode (2021-02-20 01:25:15)

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#29 2021-02-20 01:25:30

loqs
Member
Registered: 2014-03-06
Posts: 12,987

Re: nvme not detected

If you leave the linux-lts package on 5.4 so you have a working kernel than try 5.5 to 5.10 of the linux package from the ALA,  which series introduced the issue?
If they are all bad try 5.4 of the linux package.

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#30 2021-02-20 01:31:30

alex_bgoode
Member
Registered: 2021-02-20
Posts: 14

Re: nvme not detected

Should i install the latest version for every kernel. For example linux-5.5.13.arch2-1-x86_64.pkg.tar.zst  for 5.5?

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#31 2021-02-20 01:41:33

loqs
Member
Registered: 2014-03-06
Posts: 12,987

Re: nvme not detected

The last version should have the most fixes so that seems a good choice.  If you start in the middle with 5.7 then you can reduce the number of kernels to check.

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#32 2021-02-20 01:52:45

alex_bgoode
Member
Registered: 2021-02-20
Posts: 14

Re: nvme not detected

I tried linux-5.7.12.arch1-1 which did not work.

Next was 5.6.15-arch1-1which is working.

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#33 2021-02-20 02:00:52

loqs
Member
Registered: 2014-03-06
Posts: 12,987

Re: nvme not detected

What about 5.7.7 if that works try 5.7.8.
Edit:
Also what is the NVME device?  Does the system use a Silicon Motion controller?

Last edited by loqs (2021-02-20 02:05:59)

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#34 2021-02-20 02:23:57

alex_bgoode
Member
Registered: 2021-02-20
Posts: 14

Re: nvme not detected

5.7.7 and 5.7.8 do not work.

The device is a WDC PC SN720 SDAQNTW-512G-1001 which leads to this: https://www.westerndigital.com/products … -sn720-ssd
I don't know about a Silicon Motion controller. Can I find out somehow?

Edit:

I tested all version going down from 5.7.8 and no 5.7 version is working. So 5.6.15 seems to be the last working version.

Last edited by alex_bgoode (2021-02-20 10:37:55)

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#35 2021-02-20 11:43:23

loqs
Member
Registered: 2014-03-06
Posts: 12,987

Re: nvme not detected

Would you be willing to bisect between 5.6 and 5.7 to find the causal commit?  I can walk you through the process.

I believe WDC use their own in house custom controller.

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#36 2021-02-20 15:44:58

alex_bgoode
Member
Registered: 2021-02-20
Posts: 14

Re: nvme not detected

I can do that. I would need some help though. I have never done anything with a linux kernel other than pacman -S linux

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#37 2021-02-20 22:42:17

loqs
Member
Registered: 2014-03-06
Posts: 12,987

Re: nvme not detected

5.6 no longer builds with the current gcc so it took some time getting the package building again.  I also disabled building kernel documentation to reduce build time.
You need to install gcc9 and gcc9-libs from the ALA.

pacman -U https://archive.archlinux.org/packages/g/gcc9/gcc9-9.3.0-4-x86_64.pkg.tar.zst https://archive.archlinux.org/packages/g/gcc9-libs/gcc9-libs-9.3.0-4-x86_64.pkg.tar.zst

To build the package you will also need base-devel installed and to reduce build time I recomend enabling parallel compilation

git clone git://git.archlinux.org/svntogit/packages.git --single-branch --branch "packages/linux"
cd packages/trunk
git checkout d0b96b4828f482cc02a57ab05b14c3d3d00b0782
curl -o PKGBUILD.diff https://gist.githubusercontent.com/loqs/e058b4e7914217ea61df2de57b5ef10a/raw/335316494accae7a79f1f2731f4763a090759e0e/PKGBUILD.diff #download patch for PKGBUILD
git apply -v PKGBUILD.diff
gpg --search-keys ABAF11C65A2970B130ABE3C479BE3E4300411886 #obtain Linus's key used to verify git tag
makepkg -rsi #build and install package

See if the locally built 5.6 works.  Will cover how to bisect after confirming the PKGBUILD works.

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#38 2021-02-26 23:12:57

alex_bgoode
Member
Registered: 2021-02-20
Posts: 14

Re: nvme not detected

Thank you for the instructions and sorry for taking so long!

I was now able to build the 5.6 kernel as described (had to add a newline to the .diff file).
The kernel boots (although WiFi is not working, probably unrelated?) I am ready to do follow up instructions.

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#39 2021-02-27 09:04:12

loqs
Member
Registered: 2014-03-06
Posts: 12,987

Re: nvme not detected

cd packages/trunk
curl -o PKGBUILD.diff https://gist.githubusercontent.com/loqs/cddaaf203c358a34ddf2ed9781149234/raw/f0d0d23d0717b01a06f6f760c6add0fd7e65d1ac/PKGBUILD.diff #download patch adding pkgver function and setting pkgver to 5.7
git apply -v PKGBUILD.diff
cd src/linux
rm .scmversion
cd ../..
makepkg -rsi #build and install package

Check the locally built 5.7 is bad.

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#40 2021-02-27 16:34:03

alex_bgoode
Member
Registered: 2021-02-20
Posts: 14

Re: nvme not detected

5.7 does not boot

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#41 2021-02-27 16:41:10

loqs
Member
Registered: 2014-03-06
Posts: 12,987

Re: nvme not detected

cd packages/trunk/src/linux
git bisect start
git bisect bad v5.7
git bisect good v5.6
cd ../..
makepkg -rsif

Boot and test new kernel version.

cd packages/trunk/src/linux
git bisect $result #where result is good or bad
cd ../..
makepkg -rsif

Boot and test new kernel,  repeating this last code block until git has found the cause.

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#42 2021-02-27 16:48:43

alex_bgoode
Member
Registered: 2021-02-20
Posts: 14

Re: nvme not detected

After

cd packages/trunk/src/linux
git bisect start
git bisect bad v5.7
git bisect good v5.6

I get the output

6499c53216d11948deb2e39ccc9ca9824b8f38ab was both good and bad

Is that expected behavior?

Last edited by alex_bgoode (2021-02-27 16:52:41)

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#43 2021-02-27 16:51:26

loqs
Member
Registered: 2014-03-06
Posts: 12,987

Re: nvme not detected

No,  downgrade the git package

# pacman -U /var/cache/pacman/pkg/git-2.29.2-1-x86_64.pkg.tar.zst # assumes the old version is in the package cache

Then try the following again

git bisect start
git bisect bad v5.7
git bisect good v5.6

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#44 2021-02-27 16:54:50

alex_bgoode
Member
Registered: 2021-02-20
Posts: 14

Re: nvme not detected

Output changed to

Bisecting: 7542 revisions left to test after this (roughly 13 steps)
[50a5de895dbe5df947b3a695777db5b2c313e065] Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

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#45 2021-02-27 16:58:31

loqs
Member
Registered: 2014-03-06
Posts: 12,987

Re: nvme not detected

That is the expected output.  Please continue from the ../.. in post #41.

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#46 2021-02-27 17:54:24

Scimmia
Bug Wrangler
Registered: 2012-09-01
Posts: 8,325

Re: nvme not detected

Has anyone with this issue tried dracut? Someone on IRC is having this issue, but can see the drive from a recent Arch install ISO, making me think the issue is with the initramfs.

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#47 2021-02-27 18:15:23

loqs
Member
Registered: 2014-03-06
Posts: 12,987

Re: nvme not detected

https://bbs.archlinux.org/viewtopic.php?id=263567 might be another case but I put that down to difference in kernel versions.  Did the user on IRC say if they had the NVME device in AHCI or RAID mode?

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#48 2021-02-27 18:17:37

Scimmia
Bug Wrangler
Registered: 2012-09-01
Posts: 8,325

Re: nvme not detected

I didn't think to check that, as I wouldn't expect it to show up on the ISO if it was in RAID mode.

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#49 2021-02-27 21:30:23

alex_bgoode
Member
Registered: 2021-02-20
Posts: 14

Re: nvme not detected

The process is extremely slow right now. I expect I wasn't able to correctly configure parallel compilation. I typed

MAKEFLAGS="-j$(nproc)"

in the console before

makepkg -rsif

Is there something I have missed?

Last edited by alex_bgoode (2021-02-27 21:31:28)

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#50 2021-02-27 21:34:57

loqs
Member
Registered: 2014-03-06
Posts: 12,987

Re: nvme not detected

Check the output of `top` there should be one instance of cc per CPU core.

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