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Date:      Sun, 20 Oct 2019 09:45:53 +0300
From:      Yuri Pankov <yuripv@yuripv.net>
To:        freebsd-current@freebsd.org
Subject:   Re: DRM-current-kmod is still a problem at r353339
Message-ID:  <7cb6ecd6-2dcd-92e4-75a3-5e5d34377ed6@yuripv.net>
In-Reply-To: <25593555-6452-0933-d0fe-0459425cde55@delphij.net>
References:  <CAGudoHG_aAcqOfSi0GCW5-yw=6RcEXB0dz72mkgdJoz0guJMHA@mail.gmail.com> <7ca3b30a-81f6-f79d-1486-7fd29765646f@acm.org> <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> <f0f64057-2d8a-9ec2-9d01-91e2265f8a91@anduin.net> <72d67f0a-aeef-1c06-2b12-9351a1f52060@anduin.net> <689d53378dcca22adb29aa23f03e8e1b@neelc.org> <25593555-6452-0933-d0fe-0459425cde55@delphij.net>

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On 10/18/2019 8:01 AM, Xin Li wrote:
> Another (semi-fixed!) data point -- I can confirm that with if
> (vm_page_sleep_if_busy(page, "linuxkpi"))
>   -> if (!vm_page_busy_acquire(page, VM_ALLOC_WAITFAIL)) change and
> mjg@'s earlier patch at
> https://people.freebsd.org/~mjg/pmap-fict-invl.diff (please commit it) ,
> the latest drm-v5.0 branch of drm-current-kmod worked just fine with
> Intel HD Graphics P630 on Lenovo P51.

Confirmed that it worked for me too on P51.

Sorry for offtopic, but do you see the console getting "stuck" after 
loading i915kms, i.e. for input to show you need to switch to another 
console and back?



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