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From: baptiste coudurier <baptiste.coudurier@free.fr>
To: unlisted-recipients:; (no To-header on input)
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: MORE THAN 10 IDE CONTROLLERS
Date: Tue, 25 May 2004 15:50:22 +0200	[thread overview]
Message-ID: <40B34F1E.5020206@free.fr> (raw)
In-Reply-To: <40B34C35.3090303@ru.mvista.com>

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Eugeny S. Mints wrote:
| Christian Kujau wrote:
|
| baptiste coudurier schrieb:
| | Does anyone know what are major/minors for hdu, hdv, hdw, hdx ?
|
| not being a professional, i see:
|
| evil@sheep:~$ la /dev/hd?
| brw-rw----    1 root     disk       3,   0 2004-03-10 11:33 /dev/hda
| brw-rw----    1 root     disk       3,  64 2004-03-10 11:33 /dev/hdb
| brw-rw----    1 root     disk      22,   0 2004-03-10 11:33 /dev/hdc
| brw-rw----    1 root     disk      22,  64 2004-03-10 11:33 /dev/hdd
| brw-rw----    1 root     disk      33,   0 2004-03-10 11:40 /dev/hde
| brw-rw----    1 root     disk      33,  64 2004-03-10 11:40 /dev/hdf
| brw-rw----    1 root     disk      34,   0 2004-03-10 11:40 /dev/hdg
| brw-rw----    1 root     disk      34,  64 2004-03-10 11:40 /dev/hdh
|
| so, it's a major number for every controller (e.g. "22" for hdc+hdd each
| belonging to one controller). hdi+hdj would be major 35, minor [0|64] ?
| i'd try this out for hdx and further...
|
|
|> afaik even the 2.6.x kernel defines only 10 major numbers for IDE
|> devices (from 0 upto 9). All are predefined - see include/linux/major.h
|
|
| did you try devfs/udev? perhaps it could solve this by itsself....?
|
| Christian.
|
| PS: maybe Documentation/devices.txt helps out too.
|
| --
| BOFH excuse #75:
|
| There isn't any problem

I finally patched the kernel sucessfully, adding some new major numbers

Everything seems to work fine execpt for hdparm yet. Im still working on it.
I can supply a patch if anyone is interested.
Thks for your help

- --
Baptiste Coudurier					UIN : 1980693
Debian GNU/Linux user			          ESF Courchevel 1850
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checking for life_signs in -lKenny... no
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      reply	other threads:[~2004-05-25 13:50 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-24 18:22 MORE THAN 10 IDE CONTROLLERS baptiste coudurier
2004-05-25 13:25 ` Christian Kujau
2004-05-25 13:37   ` Eugeny S. Mints
2004-05-25 13:50     ` baptiste coudurier [this message]

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