12.1-STABLE crash after upgrade to r360192

[Pete Wright]

On 4/22/20 1:15 PM, Wolfgang Zenker wrote:
> Hi,
>
> I went from 12.1-STABLE r359345 to r360192 on an Acer C720 Notebook.
> The system now crashes on loading /boot/modules/i915kms.ko
> I build and install graphics/drm-kmod and graphics/drm-fbsd12.0-kmod
> together with the kernel.
>
> If i915kms.ko is loaded via kld_list in /etc/rc.conf at boot, the screen
> goes blank upon loading the module and does not react any more, powercycle
> is required. If I load the the module manually after a successful boot,
> the screen goes blank and the system reboots after a while; on reboot
> a dump is found and written to /var/crash.
>
> Kernel config is GENERIC with added options WITNESS and WITNESS_SKIPSPIN
> CPU is a Celeron 2955U (Haswell class) and the graphics controller
> identifies as 'Haswell-ULT Integrated Graphics Controller' in pciconf.
>
> Any suggestions how to proceed from here? Any usefull information that
> I could extract from the crashdump?
Did you rebuild the drm-fbsd12.0-kmod after updating your world and 
kernel?  I generally do this by running "make package" inside my 
ports/graphics/drm-fbsd12.0-kmod directory, then install this updated 
package.

-pete

-- 
Pete Wright
pete at nomadlogic.org
@nomadlogicLA