[Bug 1862986] [NEW] qemu-s390x crashes when run on aarch64

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[Bug 1862986] [NEW] qemu-s390x crashes when run on aarch64

From:	Marco
Subject:	[Bug 1862986] [NEW] qemu-s390x crashes when run on aarch64
Date:	Wed, 12 Feb 2020 17:03:07 -0000

Public bug reported:

All tested versions (2.11 and 4.2) qemu-s390x crashes with a segfault
when run on an aarch64 odroid Ubuntu.


Steps to reproduce:

root@odroid:~/workspace/bitcoin-core# /usr/local/bin/qemu-s390x 
"/root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig"
Segmentation fault (core dumped)
root@odroid:~/workspace/bitcoin-core# /usr/local/bin/qemu-s390x --version
qemu-s390x version 4.2.0
Copyright (c) 2003-2019 Fabrice Bellard and the QEMU Project developers
root@odroid:~/workspace/bitcoin-core# /usr/bin/qemu-s390x 
"/root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig"
Segmentation fault (core dumped)
root@odroid:~/workspace/bitcoin-core# /usr/bin/qemu-s390x --version
qemu-s390x version 2.11.1(Debian 1:2.11+dfsg-1ubuntu7.22)
Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers

qemu-arm does work on the same machine:

root@odroid:~/workspace/bitcoin-core# /usr/bin/qemu-arm 
bitcoin-0.19.0.1-armhf/bin/test_bitcoin -t amount_tests
Running 4 test cases...

*** No errors detected
root@odroid:~/workspace/bitcoin-core# /usr/local/bin/qemu-arm 
bitcoin-0.19.0.1-armhf/bin/test_bitcoin -t amount_tests
Running 4 test cases...

*** No errors detected


What kind of debug information would be helpful for this issue report?
GDB for the self-compiled latest release is not particularly helpful:

(gdb) run
Starting program: /usr/local/bin/qemu-s390x 
/root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fb7a2a140 (LWP 28264)]

Thread 1 "qemu-s390x" received signal SIGSEGV, Segmentation fault.
0x000000555596b218 in __bss_start__ ()
(gdb) bt
#0  0x000000555596b218 in __bss_start__ ()
#1  0x00000055556120a8 in ?? ()
#2  0x00000055579904b0 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)


A bit more information is available in the version shipped by Ubuntu:

(gdb) run
Starting program: /usr/bin/qemu-s390x 
/root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fb7a01180 (LWP 28271)]

Thread 1 "qemu-s390x" received signal SIGSEGV, Segmentation fault.
0x0000005555738f98 in code_gen_buffer ()
(gdb) bt
#0  0x0000005555738f98 in code_gen_buffer ()
#1  0x00000055555e96c8 in cpu_exec ()
#2  0x00000055555ee430 in cpu_loop ()
#3  0x00000055555c3328 in main ()

** Affects: qemu
     Importance: Undecided
         Status: New

** Description changed:

  All tested versions (2.11 and 4.2) qemu-s390x crashes with a segfault
  when run on an aarch64 odroid Ubuntu.
+ 
  
  Steps to reproduce:
  
  root@odroid:~/workspace/bitcoin-core# /usr/local/bin/qemu-s390x 
"/root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig"
  Segmentation fault (core dumped)
  root@odroid:~/workspace/bitcoin-core# /usr/local/bin/qemu-s390x --version
  qemu-s390x version 4.2.0
  Copyright (c) 2003-2019 Fabrice Bellard and the QEMU Project developers
  root@odroid:~/workspace/bitcoin-core# /usr/bin/qemu-s390x 
"/root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig"
  Segmentation fault (core dumped)
  root@odroid:~/workspace/bitcoin-core# /usr/bin/qemu-s390x --version
  qemu-s390x version 2.11.1(Debian 1:2.11+dfsg-1ubuntu7.22)
  Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers
  
- 
  qemu-arm does work on the same machine:
  
  root@odroid:~/workspace/bitcoin-core# /usr/bin/qemu-arm 
bitcoin-0.19.0.1-armhf/bin/test_bitcoin -t amount_tests
  Running 4 test cases...
  
  *** No errors detected
  root@odroid:~/workspace/bitcoin-core# /usr/local/bin/qemu-arm 
bitcoin-0.19.0.1-armhf/bin/test_bitcoin -t amount_tests
  Running 4 test cases...
  
  *** No errors detected
  
  
+ 
  What kind of debug information would be helpful for this issue report?
- 
- 
  GDB for the self-compiled latest release is not particularly helpful:
  
  (gdb) run
  Starting program: /usr/local/bin/qemu-s390x 
/root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1".
  [New Thread 0x7fb7a2a140 (LWP 28264)]
  
  Thread 1 "qemu-s390x" received signal SIGSEGV, Segmentation fault.
  0x000000555596b218 in __bss_start__ ()
  (gdb) bt
  #0  0x000000555596b218 in __bss_start__ ()
  #1  0x00000055556120a8 in ?? ()
  #2  0x00000055579904b0 in ?? ()
  Backtrace stopped: previous frame inner to this frame (corrupt stack?)
  
+ 
+ 
  A bit more information is available in the version shipped by Ubuntu:
  
  (gdb) run
  Starting program: /usr/bin/qemu-s390x 
/root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1".
  [New Thread 0x7fb7a01180 (LWP 28271)]
  
  Thread 1 "qemu-s390x" received signal SIGSEGV, Segmentation fault.
  0x0000005555738f98 in code_gen_buffer ()
  (gdb) bt
  #0  0x0000005555738f98 in code_gen_buffer ()
  #1  0x00000055555e96c8 in cpu_exec ()
  #2  0x00000055555ee430 in cpu_loop ()
  #3  0x00000055555c3328 in main ()

-- 
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https://bugs.launchpad.net/bugs/1862986

Title:
  qemu-s390x crashes when run on aarch64

Status in QEMU:
  New

Bug description:
  All tested versions (2.11 and 4.2) qemu-s390x crashes with a segfault
  when run on an aarch64 odroid Ubuntu.


  Steps to reproduce:

  root@odroid:~/workspace/bitcoin-core# /usr/local/bin/qemu-s390x 
"/root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig"
  Segmentation fault (core dumped)
  root@odroid:~/workspace/bitcoin-core# /usr/local/bin/qemu-s390x --version
  qemu-s390x version 4.2.0
  Copyright (c) 2003-2019 Fabrice Bellard and the QEMU Project developers
  root@odroid:~/workspace/bitcoin-core# /usr/bin/qemu-s390x 
"/root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig"
  Segmentation fault (core dumped)
  root@odroid:~/workspace/bitcoin-core# /usr/bin/qemu-s390x --version
  qemu-s390x version 2.11.1(Debian 1:2.11+dfsg-1ubuntu7.22)
  Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers

  qemu-arm does work on the same machine:

  root@odroid:~/workspace/bitcoin-core# /usr/bin/qemu-arm 
bitcoin-0.19.0.1-armhf/bin/test_bitcoin -t amount_tests
  Running 4 test cases...

  *** No errors detected
  root@odroid:~/workspace/bitcoin-core# /usr/local/bin/qemu-arm 
bitcoin-0.19.0.1-armhf/bin/test_bitcoin -t amount_tests
  Running 4 test cases...

  *** No errors detected


  
  What kind of debug information would be helpful for this issue report?
  GDB for the self-compiled latest release is not particularly helpful:

  (gdb) run
  Starting program: /usr/local/bin/qemu-s390x 
/root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1".
  [New Thread 0x7fb7a2a140 (LWP 28264)]

  Thread 1 "qemu-s390x" received signal SIGSEGV, Segmentation fault.
  0x000000555596b218 in __bss_start__ ()
  (gdb) bt
  #0  0x000000555596b218 in __bss_start__ ()
  #1  0x00000055556120a8 in ?? ()
  #2  0x00000055579904b0 in ?? ()
  Backtrace stopped: previous frame inner to this frame (corrupt stack?)


  
  A bit more information is available in the version shipped by Ubuntu:

  (gdb) run
  Starting program: /usr/bin/qemu-s390x 
/root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1".
  [New Thread 0x7fb7a01180 (LWP 28271)]

  Thread 1 "qemu-s390x" received signal SIGSEGV, Segmentation fault.
  0x0000005555738f98 in code_gen_buffer ()
  (gdb) bt
  #0  0x0000005555738f98 in code_gen_buffer ()
  #1  0x00000055555e96c8 in cpu_exec ()
  #2  0x00000055555ee430 in cpu_loop ()
  #3  0x00000055555c3328 in main ()

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[Bug 1862986] [NEW] qemu-s390x crashes when run on aarch64, Marco <=
- [Bug 1862986] Re: qemu-s390x crashes when run on aarch64, Richard Henderson, 2020/02/12
- [Bug 1862986] Re: qemu-s390x crashes when run on aarch64, Marco, 2020/02/26
- [Bug 1862986] Re: qemu-s390x crashes when run on aarch64, Marco, 2020/02/26
- [Bug 1862986] Re: qemu-s390x crashes when run on aarch64, Marco, 2020/02/26
- [Bug 1862986] Re: qemu-s390x crashes when run on aarch64, Marco, 2020/02/26
- [Bug 1862986] Re: qemu-s390x crashes when run on aarch64, Laurent Vivier, 2020/02/28

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