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4.You are having problems with programs crashing on an SMP system, and would like to run your system in non-SMP mode for troubleshooting purposes. What is the correct parameter to pass to the kernel at boot time to force it to use a single CPU?

block-cpu-1
cpucount=1
disable-cpu
nosmp
enable_smp=no

Explanation: The nosmp option can be used at boot time to disable SMP (symmetric multiprocessing), thus causing the system to run in uniprocessor (single processor) mode.

Incorrect Answers
A: This in an incorrect option.
B: Cpucount=1 will run one processor, but the single processor will run in SMP mode. Cpucount=0 will run no processors in SMP mode effectively disabling SMP.
C: Disable-cpu in an incorrect option.
E: enable_smp=no is an incorrect option.
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