On Mon, 5 Aug 2019 at 03:21, Ben Hutchings <b...@decadent.org.uk> wrote: > > On Tue, 2019-07-09 at 12:43 +0000, Josua Mayer wrote: > > Source: linux > > Severity: normal > > > > Dear Maintainer, > > > > While testing Debian 10 on a Marvell 8040 SoC I found that the rng and SSH > > were > > coming up extremely slow, taking over a minute to start. > > > > This is caused by somebody disabling the rng driver for arm64 kernels a > > long time ago: > > linux (4.14.13-1) unstable; urgency=medium > > ... > > [ Riku Voipio ] > > * [arm64] disable CONFIG_HW_RANDOM_OMAP until the IRQ storm bug is fixed > > > > What is this IRQ storm bug? Has it been fixed? Can we re-enable this driver? > > Riku, what do you think? I see that the MacchiatoBin has an Armada 8K > SoC, and there was an upstream commit in February 2018 that could be a > relevant fix: > > commit b166be0044913a4ce03564e7c81f172025d78867 > Author: Gregory CLEMENT <gregory.clem...@bootlin.com> > Date: Wed Feb 28 15:27:23 2018 +0100 > > hwrng: omap - Fix clock resource by adding a register clock > > Ben.
I think the problem was rather in the tianocore firmware than device tree - but it might be the more accurate device tree fixes it. We can enable it again, and then re-open the bug dialog with upstream if the bug is still there. Riku > -- > Ben Hutchings > Beware of programmers who carry screwdrivers. - Leonard Brandwein > >