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On Wed, 2023-12-06 at 12:07 +0000, Mark Hindley wrote:
> Chris,
>
> Thanks for your input.
>
> On Wed, Dec 06, 2023 at 11:56:56AM +0100, Chris Hofstaedtler wrote:
> > * Mark Hindley <m...@hindley.org.uk> [231206 11:42]:
> > > Is hwclock actually useful on Hurd? I (naively) expected it to be linux
> > > only. But src:util-linux still ships it[1]. Or is the HCTOSYS_DEVICE used
> > > in the
> > > initscripts just wrong on Hurd?
> >
> > I have zero knowledge about hurd, but it looks like[1] hwclock is built
> > with CMOS support on hurd. So maybe it could work?
> >
> > It certainly is built without the RTC support, so --rtc=... doesn't
> > work.
>
> A superficial attempt on exodar.debian.net isn't particularly encouraging:
>
> leepen@exodar:~$ /sbin/hwclock --test
> hwclock from util-linux 2.39.2
> System Time: 1701863851.810595
> No usable clock interface found.
> hwclock: Cannot access the Hardware Clock via any known method.
>
> I suggest we wait for a response from the Hurd experts. But maybe
> util-linux-extra should be arch:linux-any?
>
On a qemu Hurd image:
/sbin/hwclock --help | grep rtc
--directisa use the ISA bus instead of /dev/rtc0 access
/sbin/hwclock --directisa --show
2023-12-06 14:17:54.949951+01:00
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