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Date:      Wed, 23 Oct 2019 14:57:56 -0500
From:      "Clay Daniels Jr." <clay.daniels.jr@gmail.com>
To:        Niclas Zeising <zeising+freebsd@daemonic.se>
Cc:        Mark Johnston <markj@freebsd.org>, Neel Chauhan <neel@neelc.org>, Mateusz Guzik <mjguzik@gmail.com>,  Evilham <contact@evilham.com>, FreeBSD Current <freebsd-current@freebsd.org>,  owner-freebsd-current@freebsd.org
Subject:   Re: DRM-current-kmod is still a problem at r353339
Message-ID:  <CAGLDxTUcmCifBAg9hdGpNnwvn-CErjhFGOerK=xrbh=aE_he=g@mail.gmail.com>
In-Reply-To: <CAGLDxTU9r0KUJS-Hxjr3Hu4-72cTXh5QrfM2s_tDhgSn-cc8Kw@mail.gmail.com>
References:  <CAGudoHE755ig7KGuzq8uNY01K2Jcf-MKBjCp8kbpJAoiHdbQMA@mail.gmail.com> <99c89ca0-462c-f4c7-fa07-6f61e9d39d66@acm.org> <f2e7c4b4c236ee694f277d78479cb6ee@neelc.org> <CAGudoHGwmp=vNwOy2W22rjx_mQj1nkbdYzuLfayM7O0vn4keeA@mail.gmail.com> <bb951f83-6a50-48ce-8efa-b8fa92a9840e@yggdrasil.evilham.com> <CAGudoHGoikyZudFSxYjypF8EL24BPxBTPQjAnCKTe%2Bvg3DJiWQ@mail.gmail.com> <bb4f31fcb7f06059f1d9fe391b119661@neelc.org> <3bb2e410-51dd-bc3f-7660-41a4683551b3@daemonic.se> <20191017195347.GB6447@raichu> <53ff1ac5-c7e8-1b6c-bd43-481eaef61120@daemonic.se> <20191017210510.GC6447@raichu> <96d8f37a-179b-ecad-62d1-5a097d30c0ed@daemonic.se> <29e29759-18bc-6747-ab11-e15eea4ac738@daemonic.se> <CAGLDxTU9r0KUJS-Hxjr3Hu4-72cTXh5QrfM2s_tDhgSn-cc8Kw@mail.gmail.com>

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sorry, should be
all 3 installed
(drm-kmod, drm-current-kmod, & gpu-firmware-kmod)

On Wed, Oct 23, 2019 at 2:50 PM Clay Daniels Jr. <clay.daniels.jr@gmail.com>
wrote:

> r353709
> Looked promising, but failed:
>
> Loaded r353709
> make install drm-kmod, all 3 installed
> (drm-devel-kmod, drm-current-kmod, & gpu-firmware-kmod)
> set /etc/rc.conf & /boot/loader.conf configs as usual
> rebooted and looked good, video tingling
> pkg install xorg
> rebooted and ran startx
>
> panic: vm_page_assert_xbusied: page 0xfffffe0005057500 not exclusive busy
> @ /usr/src/sys/vm/vm_page.c
>
> System: Ryzen 7 3700X, MSI 570 series motherboard & video card
>
> Thanks for trying,
> Clay
>
> On Wed, Oct 23, 2019 at 3:42 AM Niclas Zeising <
> zeising+freebsd@daemonic.se> wrote:
>
>> On 2019-10-21 10:13, Niclas Zeising wrote:
>> > On 2019-10-17 23:05, Mark Johnston wrote:
>> >> On Thu, Oct 17, 2019 at 10:31:12PM +0200, Niclas Zeising wrote:
>> >>> On 2019-10-17 21:53, markj@freebsd.org wrote:
>> >>>> On Thu, Oct 17, 2019 at 03:03:51PM +0200, Niclas Zeising wrote:
>> >>>>> On 2019-10-16 18:57, Neel Chauhan wrote:
>> >>>>>> While drm-current-kmod worked for a little while, it broke with
>> >>>>>> r353645.
>> >>>>>>
>> >>>>>> https://i.imgur.com/Q5nYZf2.jpg
>> >>>>>>
>> >>>>>> I'm using the same HP Spectre that I used earlier (where it worked
>> >>>>>> and
>> >>>>>> where it panicked).
>> >>>>>>
>> >>>>>
>> >>>>> That commit looks unrelated, it touches the wbwd and superio
>> drivers,
>> >>>>> nothing else.  Any chance you can bisect exactly which revision that
>> >>>>> caused the new issues?
>> >>>>
>> >>>> I believe it was the recent work on the vm page busy state, r353539
>> >>>> specifically.  This patch should fix it; we don't yet have a
>> >>>> __FreeBSD_version number bump on which to gate the patch.
>> >>>>
>> >>>> diff --git a/linuxkpi/gplv2/src/linux_page.c
>> >>>> b/linuxkpi/gplv2/src/linux_page.c
>> >>>> index e2b85c45c..060ae85ed 100644
>> >>>> --- a/linuxkpi/gplv2/src/linux_page.c
>> >>>> +++ b/linuxkpi/gplv2/src/linux_page.c
>> >>>> @@ -239,7 +239,7 @@ retry:
>> >>>>                page = vm_page_lookup(devobj, i);
>> >>>>                if (page == NULL)
>> >>>>                    continue;
>> >>>> -            if (vm_page_sleep_if_busy(page, "linuxkpi"))
>> >>>> +            if (!vm_page_busy_acquire(page, VM_ALLOC_WAITFAIL))
>> >>>>                    goto retry;
>> >>>>                cdev_pager_free_page(devobj, page);
>> >>>>            }
>> >>>
>> >>> Hi!
>> >>> Hopefully someone can confirm that this patch to drm-current-kmod or
>> >>> drm-devel-kmod fixes the issue.  I won't be able to work on this
>> before
>> >>> the weekend at the earliest, I'm afraid.
>> >>> Mark, is it possible to get a belated version bump for this fix, and
>> >>> what changed to require it?
>> >>
>> >> I committed the bump and verified the patch on amdgpu.  Here are some
>> >> PRs for the drivers:
>> >>
>> >> https://github.com/FreeBSDDesktop/kms-drm/pull/180
>> >> https://github.com/FreeBSDDesktop/kms-drm/pull/181
>> >
>> > Hi!
>> > I'm working on getting this into the versions that are in ports.  For
>> > drm-current-kmod it's fairly simple, but for drm-devel-kmod there are
>> > unrelated changes which I need to check if they are ready to go in or
>> > not, so it will take some more time.
>> >
>> > Looking at the mail list thread, there seems to be a patch needed for
>> > base as well, has this been committed?
>>
>> drm-devel-kmod and drm-current-kmod has been updated with the above fix.
>> If there are further issues, please let us know.
>> Regards
>> --
>> Niclas
>> _______________________________________________
>> freebsd-current@freebsd.org mailing list
>> https://lists.freebsd.org/mailman/listinfo/freebsd-current
>> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org
>> "
>>
>



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