On Wed, Jun 8, 2011 at 8:51 PM, Edmundo Carmona <eantoranz@gmail.com> wrote:
This is a thread I created at linuxquestions about the problem.
Perhaps it could be the solution to yours.
 
http://www.linuxquestions.org/questions/linux-kernel-70/uml-exit-code-134-a-877527/

Hey, I check out that thread. It containted a link to a HOWTO webpage. I followed it (http://hanez.org/howto-user-mode-linux.html). Here's what I got. After spending more than 7 hours at this, I think there seems to be a problem with my disk. Can you please help me find it:

Here's what happened:
 
naman-mint@naman-mint-laptop ~/uml/linux-2.6.23.13 $ ./vmlinux ubda=./Fedora14-x86-root_fs mem=128M 
Core dump limits :
soft - 0
hard - NONE
Checking that ptrace can change system call numbers...OK
Checking syscall emulation patch for ptrace...OK
Checking advanced syscall emulation patch for ptrace...OK
Checking for tmpfs mount on /dev/shm...OK
Checking PROT_EXEC mmap in /dev/shm/...OK
Checking for the skas3 patch in the host:
  - /proc/mm...not found: No such file or directory
  - PTRACE_FAULTINFO...not found
  - PTRACE_LDT...not found
UML running in SKAS0 mode
Adding 30695424 bytes to physical memory to account for exec-shield gap
*** buffer overflow detected ***: ./vmlinux terminated
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6(__fortify_fail+0x50)[0x7ae390]
/lib/tls/i686/cmov/libc.so.6(+0xe12ca)[0x7ad2ca]
/lib/tls/i686/cmov/libc.so.6(+0xe0c29)[0x7acc29]
/lib/tls/i686/cmov/libc.so.6(__snprintf_chk+0x34)[0x7acb14]
./vmlinux[0x80635e5]
./vmlinux[0x804a81e]
./vmlinux[0x8049608]
./vmlinux[0x8064275]
./vmlinux[0x805914e]
[0x0]
======= Memory map: ========
00110000-00111000 rwxp 00000000 00:00 0 
00111000-00119000 r-xp 00000000 08:03 2643       /lib/tls/i686/cmov/libnss_nis-2.11.1.so
00119000-0011a000 r-xp 00007000 08:03 2643       /lib/tls/i686/cmov/libnss_nis-2.11.1.so
0011a000-0011b000 rwxp 00008000 08:03 2643       /lib/tls/i686/cmov/libnss_nis-2.11.1.so
00120000-0013b000 r-xp 00000000 08:03 1575       /lib/ld-2.11.1.so
0013b000-0013c000 r-xp 0001a000 08:03 1575       /lib/ld-2.11.1.so
0013c000-0013d000 rwxp 0001b000 08:03 1575       /lib/ld-2.11.1.so
002d6000-002f3000 r-xp 00000000 08:03 2600       /lib/libgcc_s.so.1
002f3000-002f4000 r-xp 0001c000 08:03 2600       /lib/libgcc_s.so.1
002f4000-002f5000 rwxp 0001d000 08:03 2600       /lib/libgcc_s.so.1
003d9000-003da000 rwxp 00000000 00:00 0 
00444000-00445000 rwxp 00000000 00:00 0 
006cc000-0081f000 r-xp 00000000 08:03 2548       /lib/tls/i686/cmov/libc-2.11.1.so
0081f000-00820000 ---p 00153000 08:03 2548       /lib/tls/i686/cmov/libc-2.11.1.so
00820000-00822000 r-xp 00153000 08:03 2548       /lib/tls/i686/cmov/libc-2.11.1.so
00822000-00823000 rwxp 00155000 08:03 2548       /lib/tls/i686/cmov/libc-2.11.1.so
00823000-00826000 rwxp 00000000 00:00 0 
00857000-0086a000 r-xp 00000000 08:03 2627       /lib/tls/i686/cmov/libnsl-2.11.1.so
0086a000-0086b000 r-xp 00012000 08:03 2627       /lib/tls/i686/cmov/libnsl-2.11.1.so
0086b000-0086c000 rwxp 00013000 08:03 2627       /lib/tls/i686/cmov/libnsl-2.11.1.so
0086c000-0086e000 rwxp 00000000 00:00 0 
00b06000-00b08000 r-xp 00000000 08:03 2707       /lib/tls/i686/cmov/libutil-2.11.1.so
00b08000-00b09000 r-xp 00001000 08:03 2707       /lib/tls/i686/cmov/libutil-2.11.1.so
00b09000-00b0a000 rwxp 00002000 08:03 2707       /lib/tls/i686/cmov/libutil-2.11.1.so
00b2a000-00b2b000 r-xp 00000000 00:00 0          [vdso]
00c09000-00c13000 r-xp 00000000 08:03 2633       /lib/tls/i686/cmov/libnss_files-2.11.1.so
00c13000-00c14000 r-xp 00009000 08:03 2633       /lib/tls/i686/cmov/libnss_files-2.11.1.so
00c14000-00c15000 rwxp 0000a000 08:03 2633       /lib/tls/i686/cmov/libnss_files-2.11.1.so
00c45000-00c4b000 r-xp 00000000 08:03 2629       /lib/tls/i686/cmov/libnss_compat-2.11.1.so
00c4b000-00c4c000 r-xp 00006000 08:03 2629       /lib/tls/i686/cmov/libnss_compat-2.11.1.so
00c4c000-00c4d000 rwxp 00007000 08:03 2629       /lib/tls/i686/cmov/libnss_compat-2.11.1.so
00c6d000-00c70000 rwxp 00000000 00:00 0 
00d7c000-00d7e000 rwxp 00000000 00:00 0 
08048000-081f5000 rwxp 00000000 08:03 341368     /home/naman-mint/uml/linux-2.6.23.13/vmlinux
081f5000-08205000 rwxp 00000000 00:00 0 
09f2a000-09f4b000 rwxp 00000000 00:00 0          [heap]
09f4b000-11d8e000 rwxs 01f03000 00:10 189943     /dev/shm/vm_file-aGlyHl (deleted)
bf850000-bf865000 rwxp 00000000 00:00 0          [stack]
Segmentation fault

Appreciate it. 
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