Re: Hard kernel lock with gentoo-sources-6.18.18

"D. Ben Knoble" <[email protected]> Thu, 26 Mar 2026 12:57:17 -0400
Newsgroups gmane.linux.gentoo.user
Message-ID <CALnO6CCe6GJ4GkGgG=s=SUaG3QAh-id355GRpXA19U0gPh1Pmg@mail.gmail.com>
On Thu, Mar 26, 2026 at 11:53 AM D. Ben Knoble <[email protected]> wrote:
> > > Hm. I'm run 6.18.12 without issue right now, and my next reboot will
> > > be for 6.18.18.
> > >
> > > I have an AMD RYZEN AI MAX+ 395 w/ Radeon 8060S from Framework; I
> > > suppose I might have misunderstood what we mean by "amdgpu" but things
> > > seem smooth here.
> >
> > I have two other older AMD A10 APUs (desktop & laptop) which work
> > smoother than ever with the 6.18.18 and the amdgpu driver.  It's the
> > Radeon RX Vega discrete GPU which has this problem.
> >
> > The "amdgpu" refers to this kernel driver:
> >
> > CONFIG_DRM_AMDGPU=y
>
> Thanks; I have that as "m" and "lsmod | grep amdgpu" says
>
>     amdgpu              18759680  29
>     amdxcp                 12288  1 amdgpu
>     drm_panel_backlight_quirks    12288  1 amdgpu
>     drm_ttm_helper         12288  2 amdgpu
>     ttm                   122880  2 amdgpu,drm_ttm_helper
>     i2c_algo_bit           16384  1 amdgpu
>     drm_suballoc_helper    16384  1 amdgpu
>     drm_client_lib         12288  1 amdgpu
>     drm_exec               12288  1 amdgpu
>     drm_buddy              32768  1 amdgpu
>     drm_display_helper    290816  1 amdgpu
>     gpu_sched              61440  2 amdxdna,amdgpu
>     cec                    94208  2 drm_display_helper,amdgpu
>     drm_kms_helper        233472  5
> drm_shmem_helper,drm_display_helper,amdgpu,drm_ttm_helper,drm_client_lib
>     video                  73728  1 amdgpu
>
> > Kernel 6.18.12 and prior have been faultless on all my PCs.  Kernels
> > 6.18.18 and 6.19.9 both crash on the Vega.
>
> I'm planning to reboot today, so I guess we'll see.
>
> --
> D. Ben Knoble

6.18.18 booted fine and seems to be working. I must have the "wrong" hardware :)

-- 
D. Ben Knoble