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Date:      Fri, 14 Sep 2018 10:30:13 +0100
From:      Johannes Lundberg <johalun0@gmail.com>
To:        Jakob Alvermark <jakob@alvermark.net>
Cc:        Niclas Zeising <zeising+freebsd@daemonic.se>, x11@freebsd.org
Subject:   Re: drm-devel-kmod-4.16.g20180824 hangs my laptop
Message-ID:  <CAECmPwtTDTuZNLi-B9yu7CwjOPP6K_7=vdi1v%2BME7tyDb7XDJA@mail.gmail.com>
In-Reply-To: <c863eaed-63ae-32f9-cbc5-09fa54b8f33a@alvermark.net>
References:  <4c80c55c-fa61-b5cf-8720-0b5317763841@alvermark.net> <86zhwuc3rt.fsf@gmail.com> <9f829bf0-e2dd-49ab-ebc6-11a472888c2b@daemonic.se> <db9783e6-6881-a329-c6ae-20219d0ac04f@alvermark.net> <c863eaed-63ae-32f9-cbc5-09fa54b8f33a@alvermark.net>

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On Thu, Sep 13, 2018 at 4:37 PM Jakob Alvermark <jakob@alvermark.net> wrote:

> On 9/6/18 1:25 PM, Jakob Alvermark wrote:
> > On 9/6/18 12:45 PM, Niclas Zeising wrote:
> >> On 09/06/18 12:35, Johannes Lundberg wrote:
> >>>
> >>> Jakob Alvermark writes:
> >>>
> >>>> Hi,
> >>>>
> >>>>
> >>>> When I updated to drm-devel-kmod-4.16.g20180824 my laptop hangs.
> >>>> Previous version of drm-devel-kmod worked.
> >>>>
> >>>> kld_list="/boot/modules/i915kms.ko" in /etc/rc.conf
> >>>>
> >>>> When it boots and the modules load the screen goes blank (backlight
> >>>> still on) and the machine is totally non-responsive.
> >>>>
> >>>> CPU: Intel(R) Pentium(R) CPU N3540 @ 2.16GHz (2166.72-MHz K8-class
> >>>> CPU)
> >>>>
> >>>> vgapci0@pci0:0:2:0: class=0x030000 card=0x09331025 chip=0x0f318086
> >>>> rev=0x0e hdr=0x00
> >>>>    vendor = 'Intel Corporation'
> >>>>    device = 'Atom Processor Z36xxx/Z37xxx Series Graphics & Display'
> >>>>    class = display
> >>>>    subclass = VGA
> >>>>
> >>>
> >>> Hi
> >>>
> >>> Did you update the kernel as well?
> >>>
> >>> I think this is due to a change in HEAD. You need to wait until
> >>> the binary packages have been updated with a new build or build drm
> >>> drivers from ports/source with the new head in /usr/src.
> >>>
> >>> This would be the same for stable/next as well.
> >>
> >> Which versions of FreeBSD and of the -devel port were the last ones
> >> that worked?  What happens if you downgrade the port to that version,
> >> but keep the same version of FreeBSD base as is failing?
> >
> >
> > Did some further testing:
> >
> > drm-devel-kmod-4.16.g20180822 does not work. Same thing as above,
> > blank screen and hang.
> >
> > drm-devel-kmod-4.15.g20180802 works.
> >
> > I am now at r338488
>
>
> Another thing I have noticed:
>
> With drm-devel-kmod-4.15.g20180802 my machine hangs after a while,
> around 24 hours. If I leave it on overnight it is usually is hung the
> next day.
>
> Black screen an no response to anything, keyboard or power button. I
> have to power off hard.
>
> This doesn't seem to happen with drm-next-kmod-4.11.g20180822.
>
> Thanks for reporting. I think there's a memory leak affecting all drivers
in drm-devel-kmod.


> Jakob
>
>



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