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Date:      Wed, 22 Apr 2020 23:06:04 +0200
From:      Wolfgang Zenker <wolfgang@lyxys.ka.sub.org>
To:        Pete Wright <pete@nomadlogic.org>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: 12.1-STABLE crash after upgrade to r360192
Message-ID:  <202004250556.03P5ucHj066173@saturn.lyxys.ka.sub.org>
In-Reply-To: <7a237525-ea6a-e138-8c4f-ff8254192e1e@nomadlogic.org>
References:  <202004222018.03MKIWis054780@saturn.lyxys.ka.sub.org> <7a237525-ea6a-e138-8c4f-ff8254192e1e@nomadlogic.org>

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Hi,

On Wed, Apr 22, 2020 at 01:48:00PM -0700, Pete Wright wrote:
> On 4/22/20 1:15 PM, Wolfgang Zenker wrote:
>> 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.

I have this line in /etc/make.conf:
PORTS_MODULES = graphics/drm-kmod graphics/drm-fbsd12.0-kmod
So the modules are always built and installed at every "make kernel".

Wolfgang




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