Ubuntu
ubuntu-release-upgrader package

  1. Bug #1863759
  2. Comment #5

Comment 5 for bug 1863759

Revision history for this message
Michael (mshumer0517) wrote : Re: [Bug 1863759] Re: CPUs stuck during boot after 19.10 upgrade to 5.3.0-40

I am using a Lenovo IdeaPad L340 with AMD  Ryzen 3 processor and Radeon
VEGA graphics by AMD

Glad its not just me.

:)

On 2/19/20 1:26 AM, Andrei Belov wrote:
> Which hardware are you on?
>
> I'm seeing exactly the same behavior on Ubuntu 19.10 and KDE Neon on
> Lenovo Ideapad S340-14API with AMD Ryzen 3200U / Radeon Vega Mobile Gfx
> on board.
>
> The 5.3.0-28 kernel works just fine, while 5.3.0-40 shows the following effect:
> - on Ubuntu 19.10, booting never ends due to random "BUG: soft lockup - CPU#xx stuck for 23s! [system-udevd:383]" events, thus causing various jobs/services to hang forever;
> - on KDE Neon, I'm seeing failures with amdgpu driver somewhere in amdgpu_mm_rreg with a call trace ending with gfx_v9_0_set_safe_mode() call.
>
> Appreciate any input.
>