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h3x4d3c1m4l

Member

From: The Hague, Netherlands

Registered: 2019-12-14

Posts: 3

Lenovo Yoga 530 does not boot anymore after package upgrades

Hi Guys,

After updating all packages, my laptop will not boot anymore. This is a printscreen showing where the boot process is stuck:
https://pasteboard.co/ILdL6Qj.jpg

Things I've tried:
- rebuild of initramfs using bootable USB and chroot
- blacklist of sp5100_tco, i2c_piix4, piix4_smbus, snd_pci_acp3, tpm_tis, i2c_amd_mp2 (blacklisting does not seem to work...), tpm_crb, i2c_hid modules

At this moment, even Caps Lock LED does not toggle anymore, not response on Ctrl+Alt+F[1-12], Enter key, etc.

Model: Yoga 530-14ARR
SSD upgraded to Samsung 970 512 GB
RAM upgraded to 16 GB

One strange thing I noticed: there is a firmware bug which Lenovo does not want to fix which locks all CPU cores to 400 MHz when battery < 21%.
Whenever battery is < 21% it actually boots... When charged to > 20%, and replugging the power, it works fine on the normal clock speed.

Last edited by h3x4d3c1m4l (2019-12-14 14:31:36)

Lone_Wolf

Member

From: Netherlands, Europe

Registered: 2005-10-04

Posts: 11,919

Re: Lenovo Yoga 530 does not boot anymore after package upgrades

It's definitely booting, could be switching to graphical mode where it seems to be stuck.
Try adding systemd.unit=multi-user.target as kernel boot parameter

If that works, you'll get a console login and can investigate.

There have been reports about  a problem with latest nvidia driver, are you using an nvidia card ?

---

Disliking systemd intensely, but not satisfied with alternatives so focusing on taming systemd.

(A works at time B)  && (time C > time B ) ≠  (A works at time C)

h3x4d3c1m4l

Member

From: The Hague, Netherlands

Registered: 2019-12-14

Posts: 3

Re: Lenovo Yoga 530 does not boot anymore after package upgrades

Hi Lone_Wolf,

The laptop only has an integrated AMD Vega GPU, no NVIDIA installed.
Tried the `systemd.unit` but same result. I also disabled the display manager using the Arch boot image and chroot.

EDIT: just tried blacklisting amdgpu also (which makes the brightness setting line from systemd disappear), but same result...

Last edited by h3x4d3c1m4l (2019-12-14 14:46:38)

loqs

Member

Registered: 2014-03-06

Posts: 17,365

Re: Lenovo Yoga 530 does not boot anymore after package upgrades

What kernel is the system using?
When you chroot in please post the journal from a failed boot to a pastebin.

h3x4d3c1m4l

Member

From: The Hague, Netherlands

Registered: 2019-12-14

Posts: 3

Re: Lenovo Yoga 530 does not boot anymore after package upgrades

Just checked if there was a new system firmware available. Turns out: there was. Flashed it and the system is now booting again

https://download.lenovo.com/consumer/mo … cn57ww.txt

Not sure what fixed it though. Could be new microcode or the mentioned EC bug but I had early microcode loading configured already.