Date: Fri, 4 Jan 2019 17:45:14 -0600 From: Kevin Zheng <kevinz5000@gmail.com> To: Kevin Oberman <rkoberman@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: <52675baa-5138-9994-35e8-61fc01165ab7@gmail.com> In-Reply-To: <CAN6yY1vCDRbz4r_3g0=RHcLrqUwRrCwq7chcv7QzJFTYQaUEnw@mail.gmail.com> References: <d3c55331-8b70-c2f7-8772-97640fd4c8b6@gmail.com> <c1bd7244-70d7-109c-97c6-0bb969f1fe4f@nomadlogic.org> <e6daa5ad-160f-2abd-3678-c96a4e27eb6b@gmail.com> <CAN6yY1vCDRbz4r_3g0=RHcLrqUwRrCwq7chcv7QzJFTYQaUEnw@mail.gmail.com>
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On 1/3/19 11:44 PM, Kevin Oberman wrote: > 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? No, you're right; T420 is Sandy Bridge (CPUID=0x206a7). Not that this makes much of a difference here. > 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 > inbug 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. Yes, I'm running the KMS driver, not the old driver. > 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. So have I; normal use doesn't shake the GPU hang out. I see the crash occasionally when running Chromium and reasonably frequently when I run games/supertuxkart. Unfortunately I don't have any more info right now. I can try the updated Mesa. -- Kevin Zheng kevinz5000@gmail.com | kevinz@berkeley.edu | PGP: 0xC22E1090
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