Re: Centris 650 Debian 10 SID Installation
On Mon, 10 Jun 2019, Finn Thain wrote:
> On Mon, 10 Jun 2019, Finn Thain wrote:
>
> >
> > The real mystery here is the two minute pause:
> >
> > [ 2.560000] random: fast init done
> > [ 133.760000] random: crng init done
> > [ 146.040000] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
> >
> > My first thought was that there isn't enough entropy before device drivers
> > load. But I no longer think that this issue is related to the RNG at all,
> > because when I boot that kernel in QEMU, I get a completely different
> > result. (See attached log.) Weird.
> >
>
> Aranym also stalls here (for about 20 seconds). Adding initcall_debug to
> the kernel parameters reveals this:
>
> [ 0.620000] calling dh_init+0x0/0x10 @ 1
> [ 2.560000] random: fast init done
> [ 24.030000] initcall dh_init+0x0/0x10 returned 0 after 22861089 usecs
>
> The reason why my kernel builds don't pause here is because they don't
> call dh_init, because I have disabled CONFIG_CRYPTO_DH.
>
> I don't know why dh_init() is slow. Maybe it has to compute a public key.
>
You can avoid loading the DH driver with the kernel parameter
initcall_blacklist=dh_init
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