Date: Sun, 17 Jan 2021 02:35:07 +0100 From: Mathias Picker <Mathias.Picker@virtual-earth.de> To: freebsd-x11@freebsd.org Subject: SOLVED Re: Sloow blender on FreeBSD (vs Ubuntu) Message-ID: <86bldowdkk.fsf@virtual-earth.de> In-Reply-To: <86bldsd7dw.fsf@virtual-earth.de> References: <86mtxk8xb8.fsf@virtual-earth.de> <86lfd4tvc4.fsf@virtual-earth.de> <86bldsd7dw.fsf@virtual-earth.de>
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Mathias Picker <Mathias.Picker@virtual-earth.de> writes: > 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=20 >>> only 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=20 >>> of 4.5) >>> >>> Same GPU hang, but here the reset works. Performance=20 >>> *slightly* 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 strokes=20 >>> 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=20 >>> GPU 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 X1, same=20 >>> 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=20 > demo Race Spaceship=20 > https://download.blender.org/demo/eevee/race_spaceship/race_spaceship.ble= nd > > 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 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 Using either vblank_mode=3D0 blender or LIBGL_DRI3_DISABLE=3D1 blender gives me the speed I need. Now it=E2=80=99s faster than the surface go ;) / 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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