Comment # 13 on bug 1202727 from Petr Tesa������������k

I was able to attach gdb to a crashed fully emulated VM (accel=tcg) and read
the kernel log. It looks a bit weird to me:

Linux version 6.0.0-rc6-1.g2132e28-default (geeko@buildhost) (gcc (SUSE Linux)
12.2.1 20220830 [revision e927d1cf141f221c5a32574bde0913307e140984], GNU ld
(GNU Binutils; openSUSE:Factory:zSystems) 2.39.0.20220810-1) #1 SMP Sun Sep 18
20:58:57 UTC 2022 (2132e28)
setup: Linux is running under KVM in 64-bit mode
setup: The maximum memory size is 2048MB
setup: Relocating AMODE31 section of size 0x00003000
cpu: 1 configured CPUs, 0 standby CPUs
Write protected kernel read-only data: 16940k
Kernel stack overflow.
CPU: 0 PID: 0 Comm: swapper Not tainted 6.0.0-rc6-1.g2132e28-default #1
openSUSE Tumbleweed (unreleased) 23ff4c3ab0b429314c21910f4f8cb21b0ff3e788
Hardware name: QEMU 2964 QEMU (KVM/Linux)
Krnl PSW : 0400c00180000000 00000000006d020c (mpihelp_add_n+0xc/0x70)
           R:0 T:1 IO:0 EX:0 Key:0 M:0 W:0 P:0 AS:3 CC:0 PM:0 RI:0 EA:3
Krnl GPRS: 0000000000000000 0000000001262a28 ffffffff00000005 ffffffff00000005
           0000000000004000 0000000000000000 00000000011abb08 0000000000000000
           0000000000000002 0000000000000001 0000000000004000 000000007fbea000
           0000000000000000 0000000000000000 00000000006d9668 0000000000000000
Krnl Code: 00000000006d01fe: 0707        bcr    0,%r7
           00000000006d0200: c00400000000    brcl    0,00000000006d0200
          #00000000006d0206: eb9bf0600024    stmg    %r9,%r11,96(%r15)
          >00000000006d020c: 1355        lcr    %r5,%r5
           00000000006d020e: b90400b2        lgr    %r11,%r2
           00000000006d0212: b9140015        lgfr    %r1,%r5
           00000000006d0216: 1305        lcr    %r0,%r5
           00000000006d0218: b90400a1        lgr    %r10,%r1
Call Trace:
 [<0000000000115824>] show_regs+0x54/0x90 
 [<0000000000101120>] kernel_stack_overflow+0x40/0x60 
 [<0000000000000200>] 0x200 
Last Breaking-Event-Address:
 [<0000000000000000>] 0x0
Kernel panic - not syncing: Corrupt kernel stack, can't continue.