Re: DSA concerns for jessie architectures

2013-08-08 Thread Kurt Roeckx
On Sun, Jul 21, 2013 at 09:06:31PM +0200, Bernd Zeimetz wrote:
> On 06/22/2013 07:26 PM, Martin Zobel-Helas wrote:
> > * sparc: no working nflog (mild concern); no stable kernels in stable 
> > (compiling clisp for instance crashes the kernel reliably on smetana). We
> > need to run sparc with oldstable kernels to provide stable machines.
> > That's not an option for long.
> 
> I think all machines except stadler and sompek are US IIIi machines. The
> problem with US IIIi is, that sun never published the cpu specs - they would
> have done it if somebody would have paid for the lawyers to look trough them
> before publishing. US IIi support was implemented by a student working at SUN
> under NDA and US IV and later was published. So I think if dropping (official)
> support for US IIIi CPUs would keep the port alive, we should do that. Running
> Debian on the more recent machines makes more sense anyway imho. The older
> ones are nice, but they consume a lt of power.

If you drop support for US II and IIIi, we basicly have 2 boxes
left, of which one acts as sparc buildd and the other as sparc64
and sparc buildd.  Those 2 boxes in their current state really
can't keep up, specially since they're not stable at all when
trying to use multiple cores.  You would also be missing a
porterbox.

I thought the plan was to drop 32 bit support and move to sparc64?
But that still doesn't seem to have moved to the Debian archive.
Is there something holding back moving to sparc64?

There is also Matthias Klose mail asking what to do with gcc.
sparc is still on gcc-4.6 and I think he isn't willing to
maintain that any longer.


Kurt


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Re: DSA concerns for jessie architectures

2013-07-21 Thread Bernd Zeimetz
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Hash: SHA256

On 06/22/2013 07:26 PM, Martin Zobel-Helas wrote:
> * sparc: no working nflog (mild concern); no stable kernels in stable 
> (compiling clisp for instance crashes the kernel reliably on smetana). We
> need to run sparc with oldstable kernels to provide stable machines.
> That's not an option for long.


I think all machines except stadler and sompek are US IIIi machines. The
problem with US IIIi is, that sun never published the cpu specs - they would
have done it if somebody would have paid for the lawyers to look trough them
before publishing. US IIi support was implemented by a student working at SUN
under NDA and US IV and later was published. So I think if dropping (official)
support for US IIIi CPUs would keep the port alive, we should do that. Running
Debian on the more recent machines makes more sense anyway imho. The older
ones are nice, but they consume a lt of power.

- -- 
 Bernd ZeimetzDebian GNU/Linux Developer
 http://bzed.dehttp://www.debian.org
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Re: DSA concerns for jessie architectures

2013-06-22 Thread Rtp
Martin Zobel-Helas  writes:

> [please consider replacing debian-ports@ldo with the appropriate port
> specific list when replying.]
>
> Comrades!
>
> At our recent Essen sprint, DSA went through the release qualification
> matrix (for wheezy, as there isn't one for jessie, yet) and defined a
> set of requirements that we consider necessary for us to support a port
> for the next stable release.
>
> We have limited these requirements to whether DSA can support a port
> well or not, and we wanted to establish these requirements early in the
> release cycle so that our concerns can be addressed.
>
> Our requirements for machines are not new; they are:
>
> * reliability - The stable release manager requires that we operate
>   three machines for each port: two buildd machines in different
>   locations and one porter machine.  These machines must be reliable
>   (see mips for counterexample).
> * out of band management - We require the ability to manage the machines
>   independently of their primary network interface: serial console or
>   better, remotely-controllable power.
> * supportability - We require that the machines be commercialy available
>   (within financial constraints) and that they be supportable through a
>   warranty or post-warranty support or are otherwise easy to replace.
> * stability - We require that the machine's architecture have an
>   actively-maintained stable kernel in the archive.
> * environment - We require that packages critical for DSA operations be
>   available: puppet, samhain, syslog-ng, ferm/pf, etc.
>
> Historically, we have not been enforcing these requirements strictly
> and this has caused / continues to cause us significant operational
> challenges resulting in our inability to render the service levels that
> should reasonably be expected of us. Therefore, we believe it is
> important that all debian.org machines meet these requirements.
>
> Based on the list of requirements enumerated above, we currentlty are
> concerned about the following architectures from the perspective of
> using them as debian.org machines:
>
> * armel: no remote management (being worked on); no archive kernel for
>   the machines we use.


afair buildd are:
marvell DB-78x00 -> should be supported by armel kernel flavour mx78xx0
thecus n2100 -> should be supported by armel kernel flavour iop32x

Please, can you explain what's exactily missing on kernel support
side ?

thanks,
Arnaud


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Re: DSA concerns for jessie architectures

2013-06-22 Thread Dr. David Alan Gilbert
* Martin Zobel-Helas (zo...@debian.org) wrote:
> [please consider replacing debian-ports@ldo with the appropriate port
> specific list when replying.]

> 
> * armel: no remote management (being worked on); no archive kernel for
>   the machines we use.
> 
> * armhf: no remote management (being worked on).

Generally I've seen most ARM boards managed via separate PDUs and
serial concentrators; there are ARM systems that as I understand
are built for remote management - but if you've got PDUs setup
then you can control nigh on anything; and given the current draw
on many of those machines it doesn't need to be expensive PDUs,
simple USB driven relay setups can be sufficient (although
it gets hairier if you want to control hard drive power etc).

Dave
-- 
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/ Dr. David Alan Gilbert|   Running GNU/Linux   | Happy  \ 
\ gro.gilbert @ treblig.org |   | In Hex /
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