Date: Thu, 3 Jan 2019 21:44:32 -0800 From: Kevin Oberman <rkoberman@gmail.com> To: Kevin Zheng <kevinz5000@gmail.com> Cc: Pete Wright <pete@nomadlogic.org>, "freebsd-x11@freebsd.org" <x11@freebsd.org> Subject: Re: GPU hang on ThinkPad T420 with drm-kmod on 12.0-RELEASE Message-ID: <CAN6yY1vCDRbz4r_3g0=RHcLrqUwRrCwq7chcv7QzJFTYQaUEnw@mail.gmail.com> In-Reply-To: <e6daa5ad-160f-2abd-3678-c96a4e27eb6b@gmail.com> References: <d3c55331-8b70-c2f7-8772-97640fd4c8b6@gmail.com> <c1bd7244-70d7-109c-97c6-0bb969f1fe4f@nomadlogic.org> <e6daa5ad-160f-2abd-3678-c96a4e27eb6b@gmail.com>
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On Thu, Jan 3, 2019 at 5:08 PM Kevin Zheng <kevinz5000@gmail.com> wrote: > On 1/3/19 7:01 PM, Pete Wright wrote: > > Can you test out the drm-legacy-kmod pkg and see if that resolves these > > issues? There was a recent user report that Ivy Bridge was working with > > the drm-kmod package, but it's possible I was mistaken there. > > Sorry, yes, to be clear, I don't get these hangs with drm-legacy-kmod. > > drm-kmod also "works," except when it does hang. It takes a bit of use > to shake out the hang, and I'd also like to track down what's going on. > > I also thought to ask here, if any other Ivy Bridge users are noticing > the same thing. > > -- > Kevin Zheng > kevinz5000@gmail.com | kevinz@berkeley.edu | PGP: 0xC22E1090 > I am running on 12.0-STABLE r342382 on my T500 with Sandy Bridge. Other than screen size, I believe that it is identical with the T420. Are you sure that yours is ivy Bridge? Maybe later T420schanged processors? I just discovered that it is essential that I run with the modesetting driver, not xf86-video-intel. Are you running modesetting? Using he older driver triggered several issues for me.I also am running mesa 18.3.1 which is currently under test (and will hopefully be in ports soon). You can find the patches to 18.2.8 and then to 18.2.8 is covered in bug 230298 <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230298>; and 18.3.1 in bug 233034 <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233034>. Patches must be applied in sequence and with the -E option. I have now been running on the system for over a day with no issues, but I need to give it more time before I pronounce it satisfactory. I also use Firefox, but I will give chromium a shot now and see if there is a problem. -- Kevin Oberman, Part time kid herder and retired Network Engineer E-mail: rkoberman@gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683
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