Re: etch/s390 TODO

2005-11-24 Thread Sven Luther
On Thu, Nov 24, 2005 at 12:54:19PM +0100, Bastian Blank wrote:
> On Sat, Nov 19, 2005 at 12:12:51PM +0100, Sven Luther wrote:
> > I disabled the dasd patch in parted 1.6.23, because it didn't apply cleanly,
> > and there where some changes which made it non-trivial for me to fix it, i
> > asked you on irc to look at it, and think i also mailed here, but nothing
> > happened since then. Otavio has now taken a more active role than me in 
> > parted
> > maintenance, as has K.G., so it would be best to contact them about this
> > maybe.
> 
> I fixed it at least one time and it worked after that.

Yes, but then the code it is based on has changed again, and it needs
refixing, which is why it is not included. I asked you back then.

Now if you have fixed it again since 1.6.23, then it is another matter, can
you please try enabling the patch and confirm it builds and works indeed ? 

Friendly,

Sven Luther


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Re: etch/s390 TODO

2005-11-24 Thread Bastian Blank
On Sat, Nov 19, 2005 at 12:12:51PM +0100, Sven Luther wrote:
> I disabled the dasd patch in parted 1.6.23, because it didn't apply cleanly,
> and there where some changes which made it non-trivial for me to fix it, i
> asked you on irc to look at it, and think i also mailed here, but nothing
> happened since then. Otavio has now taken a more active role than me in parted
> maintenance, as has K.G., so it would be best to contact them about this
> maybe.

I fixed it at least one time and it worked after that.

Bastian

-- 
You can't evaluate a man by logic alone.
-- McCoy, "I, Mudd", stardate 4513.3


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Re: etch/s390 TODO

2005-11-19 Thread Sven Luther
On Fri, Nov 18, 2005 at 08:52:09PM +0100, Bastian Blank wrote:
> s390 support in partman
> ===
> There is some type of s390/dasd support available for parted, it just
> completely disables the check for the sector size, as parted hardcodes
> this in too many places and dasds don't follow this. Maybe this can be
> fixed in a proper way.
> 
> partman needs to be fixed to use a correct block size for the devices
> (1024 byte blocks on a 4096 bytes sectors device just don't work).

I disabled the dasd patch in parted 1.6.23, because it didn't apply cleanly,
and there where some changes which made it non-trivial for me to fix it, i
asked you on irc to look at it, and think i also mailed here, but nothing
happened since then. Otavio has now taken a more active role than me in parted
maintenance, as has K.G., so it would be best to contact them about this
maybe.

One issue with the DASD patch, is that it was from some guy who now seems MIA
or something, as i wrote him too about this, and it is a rather consequent
patch, and thus needs official FSF copyright assignement to be merged
upstream, which is really what we want to do.

Someone with DASD knowledge and hardware is probably best placed to look at
it.

Friendly,

Sven Luther


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etch/s390 TODO

2005-11-18 Thread Bastian Blank
Hi folks

As s390 is currently not in a good shape, I tried to produce a list of
things which needs to be done for a possible etch release of this
architecture. Please provide some feedback.

Hardware configuration
==
In linux 2.6, the complete hardware configuration on s390 is done via
sysfs. This needs some program which reads the needed informations from
a config and puts them into sysfs.

There are two call modes:
 - via udev,
 - by an init script.

Via udev

udev gets events when the channels got available and can call our
program which sets up this one channel and the assigned driver.

There is one possible problem with that: udev paralizes the events,
which makes it impossible to predict the order of the devices.

Another problem: we can't enable the devices in config order, only in
channel number order. This can be fixed with a mix between both modes.

Both problems needs some discussion with udev upstream.

By an init script
-
The tool will just crawl through all available channels and configure
those, which have a config entry or it will crawl through the config
entries and configure any available channels.

Hardware configuration utility for d-i
==
There needs to be some changed in s390-dasd and s390-netdevice to read
the informations from sysfs and generate configs usable by the real
configuration tools.

One problem: We need to make sure that the order of the devices in the
installer is the same than in the installed system.

s390 support in partman
===
There is some type of s390/dasd support available for parted, it just
completely disables the check for the sector size, as parted hardcodes
this in too many places and dasds don't follow this. Maybe this can be
fixed in a proper way.

partman needs to be fixed to use a correct block size for the devices
(1024 byte blocks on a 4096 bytes sectors device just don't work).

Bastian

-- 
Oh, that sound of male ego.  You travel halfway across the galaxy and
it's still the same song.
-- Eve McHuron, "Mudd's Women", stardate 1330.1


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