Fiasco.OC-UX and recent Linux kernels
adam at os.inf.tu-dresden.de
Sun May 17 22:41:58 CEST 2015
On Mon May 11, 2015 at 11:38:42 +0200, Paul Boddie wrote:
> I have been experimenting a little with L4/Fiasco.OC and have been trying to
> gradually build up my skills by looking at Fiasco.OC-UX. However, there are a
> few things that aren't really very clear to me from looking at the
> Looking at the L4Re and Fiasco documentation, it appears that I first build
> L4Re normally...
> ...and then I need to build Fiasco.OC...
> ...but indicating the "Linux Usermode Platform" in the "Platform" section of
> the "Target configuration" when doing "make config".
> The documentation mentions doing "make ux E=hello", but I found that a
> MODULE_SEARCH_PATH was required. Otherwise, the Makefile directs a script to
> look in directories of the L4Re build hierarchy that don't exist...
Indeed, launching requires to know where the kernel's build directory
> Having got this far, running "make ux" with the necessary options gave me the
> following error:
> openpty: No such file or directory
> Problems setting up timer interrupt!
> I did start to wonder whether there might be permission issues, whether the UX
> mode is no longer supported, or whether it isn't supported on Linux 3.x
> kernels. (I use User Mode Linux a lot and never have to do so as a privileged
> user, by the way.) The documentation seems to indicate that a 2.6 kernel is
> ...which probably few people run on a desktop or laptop any more, but for the
> record I am using the 32-bit x86 architecture and not amd64/x86-64, and my
> distribution is Debian Wheezy.
Thanks for reminding, I've updated the page to reflect that any recent
kernel will do.
> Am I trying something which I shouldn't expect to work? A perusal of the
> mailing list archives didn't really provide any obvious answers.
It shall work. Regarding the openpty error, openpty might require
devpts, is it mounted under /dev/pts?
Adam adam at os.inf.tu-dresden.de
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