Date: Mon, 1 Oct 2018 14:22:23 +0200 From: Jakob Alvermark <jakob@alvermark.net> To: Johannes Lundberg <johalun0@gmail.com> Cc: Niclas Zeising <zeising+freebsd@daemonic.se>, x11@freebsd.org Subject: Re: drm-devel-kmod-4.16.g20180824 hangs my laptop Message-ID: <07de3211-6c67-9b1c-5f96-e77f8d49248d@alvermark.net> In-Reply-To: <7c8d6ce8-4435-eec8-4b69-574354ddb0ad@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> <CAECmPwtTDTuZNLi-B9yu7CwjOPP6K_7=vdi1v%2BME7tyDb7XDJA@mail.gmail.com> <7c8d6ce8-4435-eec8-4b69-574354ddb0ad@alvermark.net>
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On 9/14/18 9:03 PM, Jakob Alvermark wrote: > On 9/14/18 11:30 AM, Johannes Lundberg wrote: >> >> >> On Thu, Sep 13, 2018 at 4:37 PM Jakob Alvermark <jakob@alvermark.net >> <mailto: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. > > > I was guessing it was a memory leak. > > I will stay on drm-next-kmod-4.11.g20180822 for now, but I will be > happy to test anything if requested. On request from Niclas, I tried to get a dump with drm-devel-kmod-4.16.g20180824 on r339036 but it does not give me a dump. Manually triggering a dump with 'sysctl debug.kdb.panic=1' works fine. Jakob
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