Re: `date -s' on sparc64

[Jurij Smakov <jurij@wooyd.org>]

On Sun, 29 Jan 2006, Ludovic Court�wrote:

> Hi,
>
> Yesterday, 18 hours, 33 seconds ago, Frans Pop wrote:
> > Yes, I can confirm.
> > Workaround that works for me is to use hwclock.
>
> Thanks for the trick.
>
> `date' in GNU Coreutils uses `settimeofday ()' while `hwclock' invokes
> an ioctl on `/dev/rtc'.  So the problem seems to come from the kernel's
> implementation of `settimeofday ()'.
>
> Looking at `arch/sparc/kernel/time.c', I can only see
> `sbus_do_settimeofday ()' at first sight.  Since sun4u machines don't
> have SBus, I'd be tempted to think that support for those machines is
> simply lacking.  Is it correct?

For the sparc64 stuff you should look in the arch/sparc64 directory 
(arch/sparc contains sparc32 code). I've reproduced the problem on 2.6.15,
so I'll file a bug against kernel and and will try to look into it ASAP.

Best regards,

Jurij Smakov                                        jurij@wooyd.org
Key: http://www.wooyd.org/pgpkey/                   KeyID: C99E03CC