Hi Edgar and Guenter,
2014-02-08 Edgar E. Iglesias <edgar.igles...@gmail.com>: > On Fri, Feb 07, 2014 at 03:17:31PM -0800, Guenter Roeck wrote: > > Michal, > > > > commit 34b9c07a3 (microblaze: Disable stack protection from bootloader) > results > > in the following qemu crash in 3.14-rc1. > > > > /opt/buildbot/bin/qemu-system-microblaze -M petalogix-s3adsp1800 -kernel > arch/microblaze/boot/linux.bin -no-reboot -append "console=ttyUL0,115200 " > -nographic > > qemu: fatal: fetching nop sequence > > > > IN: PC=20 > > rmsr=4300 resr=7 rear=c0389fe8 debug=0 imm=ffffffd0 iflags=0 fsr=0 > > btaken=1 btarget=c03a9f24 mode=kernel(saved=kernel) eip=512 ie=0 > > r00=00000000 r01=c0389fcc r02=c0386a52 r03=000000c0 > > r04=00004100 r05=9052fab4 r06=00000000 r07=90530ab4 > > r08=00000000 r09=00400000 r10=00400000 r11=c03a9f24 > > r12=00621000 r13=40aef0c0 r14=00000000 r15=c0000294 > > r16=00000000 r17=c03a9f28 r18=00000000 r19=00000000 > > r20=00000000 r21=00000000 r22=00000000 r23=00000000 > > r24=00000000 r25=00000000 r26=00000000 r27=00000000 > > r28=00000000 r29=00400000 r30=00000300 r31=c03932d4 > > > Can you please check that these 2 registers are not available when microblaze is configured with full MMU? Because I expect that you are testing MMU kernel but these two writes should be just nops. Thanks, Michal