Op woensdag 4 oktober 2017 23:14:43 CEST schreef Freek de Kruijf:
> Op woensdag 4 oktober 2017 18:12:53 CEST schreef Alexander Graf:
> > > Am 04.10.2017 um 18:01 schrieb Freek de Kruijf <[email protected]>:
> > > 
> > > Op woensdag 4 oktober 2017 12:47:35 CEST schreef Alexander Graf:
> > >> Can you try to allocate proper amounts of CMA memory with the cma=
> > >> kernel command line parameter?
> > > 
> > > In /boot/grub2/grub.cfg I see:
> > > 
> > > linux   /boot/Image-4.13.2-1-default root=UUID=d578a86e-c033-4290-8f9f-
> > > e9ddd2489659  root=/dev/disk/by-id/mmc-SD16G_
> > > 0xda58f009-part2 disk=/dev/disk/by-id/mmc-SD16G_0xda58f009
> > > resume=/dev/disk/ by-id/mmc-SD16G_0xda58f009-part3 quiet splash=silent
> > > ply
> > > mouth.enable=0  swiotlb=512,force cma=384M console=tty0
> > > console=ttyS0,115200n8 quiet
> > > 
> > > Should swiotbl=512 be larger? cma=384M seems large enough.
> > 
> > Yeah, give that a try. swiotlb sizing is odd - it‘s in some multiple that
> > I
> > can never remember. 1k or so?
> > 
> > Alex
> 
> I found swiotbl=512 means 512 slabs of 128K memory, so this takes 64M, which
> is mentioned as the default value. I will try 768.

Did not help. Also changed cma=384M in cma=512M, did not help either.

-- 
fr.gr.

Freek de Kruijf
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