Date: Wed, 13 Jan 2021 19:22:19 +0100 From: Mathias Picker <Mathias.Picker@virtual-earth.de> To: freebsd-x11@freebsd.org Subject: Re: Sloow blender on FreeBSD (vs Ubuntu) Message-ID: <86bldsd7dw.fsf@virtual-earth.de> In-Reply-To: <86lfd4tvc4.fsf@virtual-earth.de> References: <86mtxk8xb8.fsf@virtual-earth.de> <86lfd4tvc4.fsf@virtual-earth.de>
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Mathias Picker <Mathias.Picker@virtual-earth.de> writes: > Well, I forgot to include some info about the system: > > dmesg https://pastebin.com/RGA3VLiB > xorg.log https://pastebin.com/8C49UGKk > > anything else, just ask. > > Mathias Picker <Mathias.Picker@virtual-earth.de> writes: > >> Hi all, >> >> the last days I tried to get blender into working state on a=20 >> 2nd gen Thinkpad >> X1 Yoga. >> >> tl;dr >> >> blender is stuttering and jerky on my X1 running an I7-8550U /=20 >> UHD620 (4-core, >> 2/4Ghz) and FreeBSD, while it works like a charm on my Surface=20 >> Go Pentium Gold >> 4415Y/HD615 (2-core, 1.6Ghz) with Ubuntu. >> This is both on 12-STABLE and -CURRENT. It=E2=80=99s a bit better on=20 >> -CURRENT, but >> still horrible. >> >> Is there any way to speed blender up on FreeBSD? >> >> >> Long version: >> I wanted to try out blenders Grease Pencil, up until now I only=20 >> used blender >> for video editing. >> >> GP or rotating 3D-Scenes in blender 2.90 on 12-STABLE was=20 >> abysmally slow and >> crashed repeatedly after a few strokes with grease pencil or a=20 >> few minutes >> work in the 3D-view with: >> Jan 4 23:04:17 Danton kernel: drmn0: GPU HANG: ecode=20 >> 9:1:0x87f99eb9, in >> blender [100824], hang on rcs0 >> Jan 4 23:04:17 Danton kernel: drmn0: Resetting rcs0 for hang=20 >> on rcs0 >> >> The GPU reset did not work, machine hangs, reboot via ssh. >> >> Recompiled blender, tried older version, all with the same=20 >> result,=20 >> although 2.8x seemed a bit faster, but still slow & crashes. >> >> Searched the web, found similar problems by others on Linux,=20 >> suggested KMS >> update. >> >> So I switched to -CURRENT with drm-current-kmod (5.4 instead of=20 >> 4.5) >> >> Same GPU hang, but here the reset works. Performance *slightly*=20 >> better, but >> every hang takes about 2 sec, no way to work with this. >> >> Updating X1 bios - now the error did not happen for quite some=20 >> time.=20 >> >> But still, quite slow. Stuttering when rotating the default=20 >> cube in simple >> solid or wireframe mode. On a I7-8550U running full speed=20 >> (hwpstate_intel >> with epp=3D0), cpu freq between 2500 and 3900). >> >> Installed mesa-devel=EF=BC=9Athe GPU hang is back. >> >> Recompiled blender to 2.91.0_2, mesa-devel, drm everything. No=20 >> more GPU hang >> for now, but still stuttering motions, Grease Pencil=20 >> strokes hang back 1-2 seconds from my stylus. >> >> Then I tried my 1st gen Surface Go 8Gb running Ubuntu: Blender=20 >> is=20 >> blazing fast for these simple tasks. Fluid rotation, allmost=20 >> real=20 >> time grease pencil=EF=BC=9AWTF? >> >> This is an i7-8550U quad core running 2/4Ghz with an UHD620 GPU=20 >> against a >> Pentium Gold, and the Pentium wins hands down? >> >> I would really *love* to get blender up even only to Pentium=20 >> speed. Blender >> with simple models in solid mode should *fly* on my=20 >> X1, same with a few Grease Pencil strokes=E2=80=A6 >> >> >> Any ideas, help, suggestion? >> >> Thanks, Mathias Just tried a live CD of Ubuntu on the same machine, with the demo=20 Race Spaceship=20 https://download.blender.org/demo/eevee/race_spaceship/race_spaceship.blend This is a compley scene and can be rotated with ubuntu in real=20 time in material mode, and is only very slightly lagging in=20 rendered mode. On FreeBSD that spaceship rotates about as slow and stuttery as=20 the default cube. So it does not seem to be dependent on the complexity of the=20 scene. Any ideas where to look? Any ideas whom to ask? Thanks, Mathias --=20 Mathias Picker=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20 Gesch=C3=A4ftsf=C3=BChrer Mathias.Picker@virtual-earth.de virtual earth Gesellschaft f=C3=BCr Wissens re/pr=C3=A4 sentation mbH http://www.virtual-earth.de/ HRB126870 support@virtual-earth.de Westendstr. 142 089 / 1250 3943=20=20=20=20=20=20=20=20=20=20=20=20
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