Alexander Graf <ag...@suse.de> writes: > On 09/29/2016 09:47 AM, David Gibson wrote: >> On Thu, Sep 29, 2016 at 12:41:04PM +0530, Bharata B Rao wrote: >> [ 78.015142] Kernel panic - not syncing: Attempted to kill init! >>> exitcode=0x00000084 >>> [ 78.015142] >>> [ 78.016926] CPU: 0 PID: 1 Comm: systemd Not tainted 4.6.4-301.fc24.ppc64 >>> #1 >>> [ 78.017726] Call Trace: >>> [ 78.019154] [c00000007e6638d0] [c0000000009df0f0] >>> .dump_stack+0xa8/0xe8 (unreliable) >>> [ 78.022485] [c00000007e663960] [c0000000009dd6bc] .panic+0x12c/0x2fc >>> [ 78.022631] [c00000007e663a00] [c0000000000cd6a8] .do_exit+0xca8/0xcb0 >>> [ 78.022735] [c00000007e663ae0] [c0000000000cd77c] >>> .do_group_exit+0x5c/0xf0 >>> [ 78.022815] [c00000007e663b70] [c0000000000dd4ec] .get_signal+0x3bc/0x770 >>> [ 78.022918] [c00000007e663c70] [c00000000001761c] .do_signal+0x4c/0x2a0 >>> [ 78.023021] [c00000007e663db0] [c000000000017a4c] >>> .do_notify_resume+0xac/0xc0 >>> [ 78.023411] [c00000007e663e30] [c000000000009944] >>> .ret_from_except_lite+0x70/0x74 >>> [ 78.077889] ---[ end Kernel panic - not syncing: Attempted to kill >>> init! exitcode=0x00000084 >> Huh. Well, that's unfortunate. I don't imagine the guest is trying >> to use any of those new POWER9 instructions, so I guess we must have >> broken decode of one of the existing vector instructions with which it >> shares some part of the opcode. >> >> Any chance you could trace this and work out what instruction is >> giving the first illegal instruction exception? > > ... and whenever someone has some spare time, I would strongly advise > for implementing RISU on PowerPC to catch these things before they happen ;) > > https://wiki.linaro.org/PeterMaydell/Risu
Ziviani is spending time to get this working for PowerPC Regards Nikunj
