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make[2]: *** [arch/x86/kernel/ptrace.o] Error 1 - can anyone resolve this issue during kernel compilation

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make[2]: *** [arch/x86/kernel/ptrace.o] Error 1 - can anyone resolve this issue during kernel compilation
posted Jan 13, 2015 by anonymous

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1 Answer

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enable CONFIG_IA32_EMULATION in .config. The is_compat_task function is declared in asm/compat.h, which is included only if CONFIG_IA32_EMULATION is enabled.

Hope it would be useful.

answer Jan 13, 2015 by Salil Agrawal
CONFIG_IA32_EMULATION is not found in the .config file.Shall i edit the file manually ?
CHK     include/linux/version.h
  CHK     include/generated/utsrelease.h
  CALL    scripts/checksyscalls.sh
  CHK     include/generated/compile.h
  CC      arch/x86/kernel/ptrace.o
arch/x86/kernel/ptrace.c:1366:17: error: conflicting types for ‘syscall_trace_enter’
In file included from /usr/src/linux-2.6.39.4/arch/x86/include/asm/vm86.h:130:0,
                 from /usr/src/linux-2.6.39.4/arch/x86/include/asm/processor.h:10,
                 from /usr/src/linux-2.6.39.4/arch/x86/include/asm/thread_info.h:22,
                 from include/linux/thread_info.h:53,
                 from include/linux/preempt.h:9,
                 from include/linux/spinlock.h:50,
                 from include/linux/seqlock.h:29,
                 from include/linux/time.h:8,
                 from include/linux/timex.h:56,
                 from include/linux/sched.h:57,
                 from arch/x86/kernel/ptrace.c:8:
/usr/src/linux-2.6.39.4/arch/x86/include/asm/ptrace.h:146:13: note: previous declaration of ‘syscall_trace_enter’ was here
arch/x86/kernel/ptrace.c:1411:17: error: conflicting types for ‘syscall_trace_leave’
In file included from /usr/src/linux-2.6.39.4/arch/x86/include/asm/vm86.h:130:0,
                 from /usr/src/linux-2.6.39.4/arch/x86/include/asm/processor.h:10,
                 from /usr/src/linux-2.6.39.4/arch/x86/include/asm/thread_info.h:22,
                 from include/linux/thread_info.h:53,
                 from include/linux/preempt.h:9,
                 from include/linux/spinlock.h:50,
                 from include/linux/seqlock.h:29,
                 from include/linux/time.h:8,
                 from include/linux/timex.h:56,
                 from include/linux/sched.h:57,
                 from arch/x86/kernel/ptrace.c:8:
/usr/src/linux-2.6.39.4/arch/x86/include/asm/ptrace.h:147:13: note: previous declaration of ‘syscall_trace_leave’ was here
make[2]: *** [arch/x86/kernel/ptrace.o] Error 1
make[1]: *** [arch/x86/kernel] Error 2
make: *** [arch/x86] Error 2
I don't have access to the system so can only make guess, just try to enable CONFIG_IA32_EMULATION explicitly and see the effect.
Check this thread
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=709647

There seems to be a bug 2.6.39, please go through the complete chain.
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