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From: Mario Goppold <mgoppold@tbz-pariv.de>
Date: Thu, 27 Oct 2005 08:37:04 +0200
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Subject: [Qemu-devel] 32bit emulation in x86_64 System emulation
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To: qemu-devel@nongnu.org

Hi list,

I've tried to install SuSE92 x68_64 as guest (qemu 0.7.2 with and without 
kqemu). During the install grub terminates with core. But not only grub 
terminates: 

  #include <stdio.h> 
  int main() { 
    printf("Hallo Welt!\n"); 
    return 0; 
  } 
 
  gcc a.c ; ./a.out is ok but 
  gcc -m32 a.c; ./a.out Segmentation fault (core dumped) 
 
with gdb: 
  Core was generated by `./a.out'. 
  Program terminated with signal 11, Segmentation fault. 
 
  warning: current_sos: Can't read pathname for load map: Input/output error 
 
  Reading symbols from /lib/tls/libc.so.6...done. 
  Loaded symbols for /lib/tls/libc.so.6 
  Reading symbols from /lib/ld-linux.so.2...done. 
  Loaded symbols for /lib/ld-linux.so.2 
  #0  0x5568aff4 in ?? () from /lib/tls/libc.so.6 
  (gdb) where 
  #0  0x5568aff4 in ?? () from /lib/tls/libc.so.6 
  #1  0x555d4bf3 in _IO_file_stat_internal () from /lib/tls/libc.so.6 
  #2  0x555d4bf3 in _IO_file_stat_internal () from /lib/tls/libc.so.6 
  #3  0x555ca494 in _IO_file_doallocate_internal () from /lib/tls/libc.so.6 
  #4  0x555d77be in _IO_doallocbuf_internal () from /lib/tls/libc.so.6 
  #5  0x555d550a in _IO_new_file_overflow () from /lib/tls/libc.so.6 
  #6  0x555d49fd in _IO_new_file_xsputn () from /lib/tls/libc.so.6 
  #7  0x555b25e8 in vfprintf () from /lib/tls/libc.so.6 
  #8  0x555ba7b0 in printf () from /lib/tls/libc.so.6 
  #9  0x080483e0 in main () at a.c:4

What's worng? Outside of qemu it works fine. 
In the meantime i've found out that's not (only) a SuSE problem:

SuSE92, SuSE93, SuSE10, FC4 fails but Ubuntu 5.10 works fine (all in x86_64).
 
Have anyone see this behaviour. What can i do?

Mario