From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Sat, 08 Sep 2007 23:02:28 +0200
From: Jan Kiszka <jan.kiszka@domain.hid>
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Subject: Re: [Xenomai-help] serial module problems
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To: Bachman Kharazmi <bahkha@domain.hid>
Cc: xenomai@xenomai.org

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Bachman Kharazmi wrote:
> Hi
> I'm a new xenomai user and would like to get the serial module working.=

>=20
> I've 'builtin' serial support in my kernel, and tried to add a new
> modified kernel line according to the docs which looks like:
>=20
> kernel          /boot/maikern2 8250.nr_uarts=3D0
> xeno_16550A.ioaddr=3D0x03f8,0xbc00,0xbc08,0xb800 xeno_16550A.irq=3D4,3,=
3,3
> xeno_16550A.baud_base=3D115200,115200,115200,115200 root=3D/dev/hda3 ro=

>=20
> But when I boot my dmesg sais:
> Kernel command line: 8250.nr_uarts=3D0
> xeno_16550A.ioaddr=3D0x03f8,0xbc00,0xbc08,0xb800 xeno_16550A.irq=3D4,3,=
3,3
> xeno_16550A.baud_base=3D115200,115200,115200,115200 root=3D/dev/hda3 ro=

> Unknown boot option `xeno_16550A.ioaddr=3D0x03f8,0xbc00,0xbc08,0xb800':=
 ignoring
>=20

The Wiki didn't reflect the upcoming version in Xenomai 2.4 yet. I
updated it, please see http://www.xenomai.org/index.php/16550A (the
essence: "ioaddr" is now called "io" for consistency reasons).

>=20
> the serial example gives:
> sandbox:/usr/src/xenomai/examples/rtdm/profiles/serial# ./cross-link
> main : can't open rtser0 (write), No such device
>=20
>=20
> I've tried to build the Serial support as a module instead, but it ends=
 up in:
> ERROR: "per_cpu__ipipe_percpu_daddr"
> [drivers/xenomai/serial/xeno_16550A.ko] undefined!
> when doing make bzImage modules.

What I-pipe patch are you using? I saw that Philippe uploaded new
revisions (see SVN) that may fix this issue. Please check independently
of the other issue so that we know if that problem was fixed.

Jan


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