Hi, The build fails on the power6 machine while compiling 2.6.24-rc1-git15 kernel, with randconfig, CHK include/linux/compile.h AS arch/powerpc/kernel/swsusp_32.o arch/powerpc/kernel/swsusp_32.S: Assembler messages: arch/powerpc/kernel/swsusp_32.S:138: Error: Unrecognized opcode: `dssall' make[1]: *** [arch/powerpc/kernel/swsusp_32.o] Error 1 make: *** [arch/powerpc/kernel] Error 2 # cat /proc/cpuinfo processor : 0 cpu : POWER6 (architected), altivec supported clock : 4198.000000MHz revision : 3.1 (pvr 003e 0301) processor : 1 cpu : POWER6 (architected), altivec supported clock : 4198.000000MHz revision : 3.1 (pvr 003e 0301) processor : 2 cpu : POWER6 (architected), altivec supported clock : 4198.000000MHz revision : 3.1 (pvr 003e 0301) processor : 3 cpu : POWER6 (architected), altivec supported clock : 4198.000000MHz revision : 3.1 (pvr 003e 0301) timebase : 512000000 platform : pSeries machine : CHRP IBM,8203-E4A # gcc -v Using built-in specs. Target: ppc64-redhat-linux Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-libgcj-multifile --enable-languages=c,c++,objc,obj-c++,java,fortran --enable-java-awt=gtk --disable-dssi --enable-plugin --with-java-home=/usr/lib/jvm/java-1.4.2-gcj-1.4.2.0/jre --enable-secureplt --with-long-double-128 --host=ppc64-redhat-linux --build=ppc64-redhat-linux --target=ppc64-redhat-linux --with-cpu=default32 Thread model: posix gcc version 4.1.2 20070626 (Red Hat 4.1.2-14) # ld -v GNU ld version 2.17.50.0.6-5.el5 20061020 -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL.