![](/images/new-backgrounds/1270252/27025289x1.webp)
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| Troubleshooting |
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| Identifying |
Table |
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Ostat | Code | FRU | Message | Description |
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FLT | 1n12 | SYS BD | data mem prot tr | CPU n detected an unexpected data |
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| memory protection trap. |
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FLT | 1n13 | SYS BD | data mem brk trp | CPU n detected an unexpected data |
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| memory break trap. |
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FLT | 1n14 | SYS BD | TLB dirty bit tr | CPU n detected an unexpected TLB dirty |
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| bit trap. |
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FLT | 1n15 | SYS BD | page refrnce trp | CPU n detected an unexpected page |
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| reference trap. |
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FLT | 1n16 | SYS BD | assist emul trap | CPU n detected an unexpected assist |
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| emulation trap. |
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FLT | 1n17 | SYS BD | CPU n detected an unexpected | |
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FLT | 1n18 | SYS BD | CPU n detected an unexpected | |
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FLT | 1n19 | SYS BD | taken branch trp | CPU n detected an unexpected |
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FLT | 1n1A | SYS BD | data mem acc rts | CPU n detected an unexpected data |
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| memory access rights trap. |
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FLT | 1n1B | SYS BD | data mem prot ID | CPU n detected an unexpected data |
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| memory protection ID trap. |
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FLT | 1n1C | SYS BD | unalign data ref | CPU n detected an unexpected unaligned |
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| data reference trap. |
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FLT | 1n1D | SYS BD | perf mon intrrpt | CPU n detected an unexpected |
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| performance monitor interrupt. |
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TST | 1n20 | SYS BD | CPUn basic test | CPU n is starting its basic operations |
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TST | 1n21 | SYS BD | CPUn alu test | CPU n is starting its arithmetic and |
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| logical unit |
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TST | 1n22 | SYS BD | CPUn branch test | CPU n is starting its branch instruction |
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TST | 1n23 | SYS BD | CPUn arith cond | CPU n is starting its arithmetic condition |
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TST | 1n24 | SYS BD | CPUn bit opers | CPU n is starting its bit operation |
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| instruction |
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TST | 1n25 | SYS BD | CPUn cntrl regs | CPU n is starting its control register |
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Chapter 2 | 45 |