Hello, Please disregard #2 I moved to: http://releases.linaro.org/latest/openembedded/aarch64/vexpress64-openembedded_lamp-armv8-gcc-4.8_20140623-668.img.gz http://releases.linaro.org/latest/openembedded/aarch64/img-foundation.axf # 24-Jun-2014 07:03 and using (Valgrind: 14152, VEX: 2899) also see: http://thread.gmane.org/gmane.comp.debugging.valgrind.devel/27399 Now, when I try to build, I see: ... aarch64-oe-linux-gcc -Winline -Wall -Wshadow -g -Wno-long-long -Wwrite-strings -fno-stack-protector -Wno-write-strings -o realloc3 realloc3.o depbase=`echo recursive-merge.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\ aarch64-oe-linux-gcc -DHAVE_CONFIG_H -I. -I../.. -I../.. -I../../include -I../../coregrind -I../../include -I../../VEX/pub -I../../VEX/pub -DVGA_arm64=1 -DVGO_linux=1 -DVGP_arm64_linux=1 -DVGPV_arm64_linux_vanilla=1 -Winline -Wall -Wshadow -g -Wno-long-long -Wwrite-strings -fno-stack-protector -Wno-write-strings -MT recursive-merge.o -MD -MP -MF $depbase.Tpo -c -o recursive-merge.o recursive-merge.c &&\ mv -f $depbase.Tpo $depbase.Po aarch64-oe-linux-gcc -Winline -Wall -Wshadow -g -Wno-long-long -Wwrite-strings -fno-stack-protector -Wno-write-strings -o recursive-merge recursive-merge.o depbase=`echo sbfragment.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\ aarch64-oe-linux-gcc -DHAVE_CONFIG_H -I. -I../.. -I../.. -I../../include -I../../coregrind -I../../include -I../../VEX/pub -I../../VEX/pub -DVGA_arm64=1 -DVGO_linux=1 -DVGP_arm64_linux=1 -DVGPV_arm64_linux_vanilla=1 -Winline -Wall -Wshadow -g -Wno-long-long -Wwrite-strings -fno-stack-protector -Wno-write-strings -MT sbfragment.o -MD -MP -MF $depbase.Tpo -c -o sbfragment.o sbfragment.c &&\ mv -f $depbase.Tpo $depbase.Po aarch64-oe-linux-gcc -Winline -Wall -Wshadow -g -Wno-long-long -Wwrite-strings -fno-stack-protector -Wno-write-strings -o sbfragment sbfragment.o depbase=`echo sendmsg.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\ aarch64-oe-linux-gcc -DHAVE_CONFIG_H -I. -I../.. -I../.. -I../../include -I../../coregrind -I../../include -I../../VEX/pub -I../../VEX/pub -DVGA_arm64=1 -DVGO_linux=1 -DVGP_arm64_linux=1 -DVGPV_arm64_linux_vanilla=1 -Winline -Wall -Wshadow -g -Wno-long-long -Wwrite-strings -fno-stack-protector -Wno-write-strings -MT sendmsg.o -MD -MP -MF $depbase.Tpo -c -o sendmsg.o sendmsg.c &&\ mv -f $depbase.Tpo $depbase.Po aarch64-oe-linux-gcc -Winline -Wall -Wshadow -g -Wno-long-long -Wwrite-strings -fno-stack-protector -Wno-write-strings -o sendmsg sendmsg.o depbase=`echo sh-mem.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\ aarch64-oe-linux-gcc -DHAVE_CONFIG_H -I. -I../.. -I../.. -I../../include -I../../coregrind -I../../include -I../../VEX/pub -I../../VEX/pub -DVGA_arm64=1 -DVGO_linux=1 -DVGP_arm64_linux=1 -DVGPV_arm64_linux_vanilla=1 -Winline -Wall -Wshadow -g -Wno-long-long -Wwrite-strings -fno-stack-protector -Wno-write-strings -MT sh-mem.o -MD -MP -MF $depbase.Tpo -c -o sh-mem.o sh-mem.c &&\ mv -f $depbase.Tpo $depbase.Po aarch64-oe-linux-gcc -Winline -Wall -Wshadow -g -Wno-long-long -Wwrite-strings -fno-stack-protector -Wno-write-strings -o sh-mem sh-mem.o depbase=`echo sh-mem-random.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\ aarch64-oe-linux-gcc -DHAVE_CONFIG_H -I. -I../.. -I../.. -I../../include -I../../coregrind -I../../include -I../../VEX/pub -I../../VEX/pub -DVGA_arm64=1 -DVGO_linux=1 -DVGP_arm64_linux=1 -DVGPV_arm64_linux_vanilla=1 -Winline -Wall -Wshadow -g -Wno-long-long -Wwrite-strings -fno-stack-protector -Wno-write-strings -MT sh-mem-random.o -MD -MP -MF $depbase.Tpo -c -o sh-mem-random.o sh-mem-random.c &&\ mv -f $depbase.Tpo $depbase.Po [128912.385319] init[1]: undefined instruction: pc=0000000000402050 [128912.385412] Code: fa698357 d9765c3c cfbcaccb 205d0cea (02cd2d9e) [128912.386221] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000004 [128912.386221] [128912.386335] CPU: 0 PID: 1 Comm: init Not tainted 3.15.0-1-linaro-vexpress64 #1ubuntu1~ci+140621065049 [128912.386404] Call trace: [128912.386480] [] dump_backtrace+0x0/0x13c [128912.386566] [] show_stack+0x20/0x2c [128912.386643] [] dump_stack+0x80/0xc8 [128912.386729] [] panic+0xec/0x224 [128912.386812] [] do_exit+0x9a4/0x9a8 [128912.386898] [] do_group_exit+0x40/0xd0 [128912.386992] [] get_signal_to_deliver+0x1e0/0x548 [128912.387082] [] do_signal+0x540/0x560 [128912.387169] [] do_notify_resume+0x34/0x64 [128912.387243] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000004 [128912.387243] Please help! Thanks, Anmol.