Re: [Xenomai-help] error compiling linux 2.6.22 or 2.6.22.1 with adeos-ipipe-2.6.22-rc6-i386-1.9-00.patch

[Philippe Gerum <rpm@xenomai.org>]

On Fri, 2007-07-13 at 16:57 +0200, Karl Reichert wrote:
> Philippe Gerum wrote:
> > On Fri, 2007-07-13 at 16:39 +0200, Karl Reichert wrote:
> > > Philippe Gerum wrote:
> > > > On Fri, 2007-07-13 at 15:37 +0200, Karl Reichert wrote:
> > > > > Philippe Gerum wrote:
> > > > > > On Fri, 2007-07-13 at 11:43 +0200, Karl Reichert wrote:
> > > > > > 
> > > > > > > But I tried with adeos-ipipe-2.6.22-rc6-i386-1.9-00.patch. Where
> > can
> > > > I
> > > > > > get ipipe-2.6.22-i386-1.8-05? It's not listed on the FTP! I can
> > only
> > > > find
> > > > > > ipipe-2.6.20-i386-1.8-05 (which is for 2.6.20 kernels).
> > > > > > 
> > > > > > The final I-pipe patch for 2.6.22 is currently undergoing survival
> > > > test
> > > > > > under extremely unreasonable load on by boxen. Please wait.
> > > > > > 
> > > > > > -- 
> > > > > > Philippe.
> > > > > > 
> > > > > So I took adeos-ipipe-2.6.20-i386-1.7-03.patch (xenomai 2.3.1) with
> > > > linux2.6.20.11 and linux2.6.20.15 but with both the same problem.
> > Patching and
> > > > preparing works fine as make menuconfig does, but when compiling make
> > says:
> > > > > [...]
> > > > > AS arch/i386/kernel/entry.o
> > > > > arch/i386/kernel/entry.S: Assembler messages:
> > > > > arch/i386/kernel/entry.S:270: invalid character '_' in mnemonic
> > > > > arch/i386/kernel/entry.S:347: invalid character '_' in mnemonic
> > > > > arch/i386/kernel/entry.S:477: invalid character '_' in mnemonic
> > > > > arch/i386/kernel/entry.S:520: invalid character '_' in mnemonic
> > > > > arch/i386/kernel/entry.S:534: invalid character '_' in mnemonic
> > > > > [...]
> > > > 
> > > > Disable CONFIG_PARAVIRT, or upgrade to 2.6.20-1.8-05. The latest patch
> > > > for 2.6.22 is now available.
> > > > 
> > > Thanks a lot, setting this to no solved the issue. Where do I get the
> > patch? I can't find it in the online SVN (web access).
> > > 
> > 
> > http://download.gna.org/adeos/patches/v2.6/i386/older/adeos-ipipe-2.6.20-i386-1.8-05.patch
> > http://download.gna.org/adeos/patches/v2.6/i386/adeos-ipipe-2.6.22-i386-1.9-00.patch
> > 
> > > > > 
> > > > > What's the case here now? I installed all dependencies.
> > > > > 
> > > > > Karl
> > > > -- 
> > > > Philippe.
> > > > 
> > > Karl
> > -- 
> > Philippe.
> > 
> Thank you very much. Maybe this hint about paravirtualization should be added to Xenomai FAQ. Otherwise somebody else could get the same issues.

This was a transient bug from the 1.7 series, fixed in later revisions,
so documenting it into the FAQ would be meaningless; adding an entry
into the Wiki, maybe. In any case, this is one more reason to use recent
patches when available.

-- 
Philippe.