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Re: GNU Mach: disabling all network device drivers


From: Zheng Da
Subject: Re: GNU Mach: disabling all network device drivers
Date: Thu, 13 May 2010 08:59:59 -0400

Hello,

On Wed, May 12, 2010 at 12:26 PM, Thomas Schwinge <address@hidden> wrote:
> Hello!
>
> Adding the possibility to programmatically disable all network device
> drivers into GNU Mach's configure script is possible, but it'll take a
> bunch of time if done properly, or I can do it in a very, very ugly way.
> Instead, can't you simply use ``--disable-device-drivers --enable-ide''?
> The first statement will remove all device drivers, then the IDE one will
> be added back to the list.
>
> All other available drivers are either LPT / floppy / SCSI / Ethernet /
> PCMCIA, so not needed for QEMU and other emulators (or can be enabled one
> by one if desired).
>
> Is that sufficient?  If not, then I can put in a gross hack.
It is really weird. I built gnumach with --disable-device-drivers
--enable-ide --enable-kdb.
I boot hurd with the new kernel and run the user-level network drivers
but got a kernel
general protection trap. I tried several drivers and always got the
same problem.
The error can be seen at http://i.imagehost.org/0382/Screenshot.png.

addr2line shows me 0x1076e6 is at
/root/gnumach-build/../gnumach/i386/i386/spl.S:217
I don't know whether the error is caused by my change in gnumach or
the error exists in
gnumach itself. It's probably not very easy to check as the error
occurs when a user-level
driver runs.

Best regards,
Zheng Da



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