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Date:      Sun, 15 Mar 2026 09:16:13 +0100
From:      Roman Bogorodskiy <bogorodskiy@gmail.com>
To:        Rainer Hurling <rhurlin@freebsd.org>
Cc:        freebsd-current@freebsd.org, dumbbell@freebsd.org
Subject:   Re: Recent -CURRENT and drm-66-kmod panic
Message-ID:  <abZqzbH5OxNFHq0k@tulp>
In-Reply-To: <90bade63-dd8b-4464-9751-b6a4ca91e181@gwdg.de>
References:  <aaHRaWCPRmZ72zw8@tulp> <c6db12e2-9be7-4be9-a885-42a3dca5e740@gwdg.de> <abE4JB7jLZsWT2a6@tulp> <abGmus1X4VRm2j0K@tulp> <90bade63-dd8b-4464-9751-b6a4ca91e181@gwdg.de>

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  Rainer Hurling wrote:

> Am 11.03.26 um 18:30 schrieb Roman Bogorodskiy:
> >    Roman Bogorodskiy wrote:
> > 
> > >    Rainer Hurling wrote:
> > > 
> > > > Am 27.02.26 um 18:16 schrieb Roman Bogorodskiy:
> > > > > Hi,
> > > > > 
> > > > > I've updated my and of January -CURRENT to today's version
> > > > > (c3577fcf3fd0494cc992021d4debbca09241a49e), rebuilt
> > > > > graphics/drm-66-kmod which is now at:
> > > > > 
> > > > > Version        : 6.6.25.1600011_8
> > > > > 
> > > > > System crashes during boot, full crash info is here:
> > > > > 
> > > > > https://people.freebsd.org/~novel/misc/core-drm-66-kmod-6.6.25.1600011.txt
> > > > > 
> > > > > Things work fine when booting the old kernel, even without rebuilding
> > > > > the drm-66-kmod.
> > > > > 
> > > > > Is that a known issue?
> > > > > 
> > > > > Roman
> > > > > 
> > > > 
> > > > Hmm, just a guess:
> > > > Did you also rebuild something like graphics/gpu-firmware-intel-kmod?
> > > 
> > > No, I didn't rebuild graphics/gpu-firmware-intel-kmod, only
> > > graphics/drm-66-kmod.
> > > 
> > > In the meantime I've opened an issue here:
> > > 
> > > https://github.com/freebsd/drm-kmod/issues/419
> > > 
> > > And as I commented there, the issue starts showing up for me with
> > > freebsd-src commit 79b05e7f80eb482287c700f10da9084824199a05.
> > > 
> > > I will check if rebuilding graphics/gpu-firmware-intel-kmod makes any
> > > difference.
> > > 
> > > > HTH,
> > > > Rainer
> > > > 
> > 
> > Just did a quick test.
> > 
> >   - checked out latest -CURRENT (ff2c98b30b57b9763e2a6575f729bab676e6c025)
> >   - build && reboot --> the same panic as before
> >   - reverted 79b05e7f80eb482287c700f10da9084824199a05
> >   - build && reboot --> system works fine
> > 
> > Didn't rebuild drm-66-kmod and related ports.
> > 
> > Roman
> 
> Is there a reason why you didn't try the latest CURRENT version together
> with newly built graphics/gpu-firmware-intel-kmod and drm-66-kmod related
> ports?
> 
> Sorry if I overlooked something.
> 
> Rainer

Yes, rebuilding everything including the
graphics/gpu-firmware-intel-kmod helped!

Sorry for the noise.

Roman


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