Re: linux-2.6_2.6.24~rc8-1~experimental.2~snapshot.10147 FTBFS on mips

[Thiemo Seufer <ths@networkno.de>]

Thiemo Seufer wrote:
> Martin Michlmayr wrote:
> > * Florian Lohoff <flo@rfc822.org> [2008-01-21 15:00]:
> > > linux-2.6 version linux-2.6_2.6.24~rc8-1~experimental.2~snapshot.10147
> > > FTBFS on mips:
> > >   CC [M]  drivers/net/niu.o
> > > {standard input}: Assembler messages:
> > > {standard input}:293: Error: Branch out of range
> > > make[6]: *** [drivers/net/niu.o] Error 1
> > 
> > I believe this is actually a kernel bug.  Looking at the preprocessed
> > source, I see that it contains some inline assembler:
> > 
> >   __asm__ __volatile__(
> >   "     .set    mips3                                   \n"
> >   "1:   " "ll   " "%0, %1                       # set_bit       \n"
> >   "     or      %0, %2                                  \n"
> >   "     " "sc   " "%0, %1                                       \n"
> >   "     beqz    %0, 2f                                  \n"
> >   "     .subsection 2                                   \n"
> >   "2:   b       1b                                      \n"
> >   "     .previous                                       \n"
> > 
> > And the "Branch out of range" error is in that piece of code.
> > Ralf/Aurelien, can you please take a look.
> 
> This is caused by the "subsection" trick which breaks for large
> sections. The problem is fixed in the latest www.linux-mips.org tree.

Apparently I misremembered, and the problem still exists.


Thiemo