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69 lines
1.8 KiB
Markdown
69 lines
1.8 KiB
Markdown
# System Debugging Guide
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## ROCm Language and System Level Debug, Flags, and Environment Variables
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Kernel options to avoid: the Ethernet port getting renamed every time you change graphics cards, `net.ifnames=0 biosdevname=0`
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## ROCr Error Code
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- 2 Invalid Dimension
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- 4 Invalid Group Memory
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- 8 Invalid (or Null) Code
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- 32 Invalid Format
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- 64 Group is too large
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- 128 Out of VGPRs
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- 0x80000000 Debug Options
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## Command to Dump Firmware Version and Get Linux Kernel Version
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`sudo cat /sys/kernel/debug/dri/1/amdgpu_firmware_info`
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`uname -a`
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## Debug Flags
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Debug messages when developing/debugging base ROCm driver. You could enable the printing from `libhsakmt.so` by setting an environment variable, `HSAKMT_DEBUG_LEVEL`. Available debug levels are 3-7. The higher level you set, the more messages will print.
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- `export HSAKMT_DEBUG_LEVEL=3` : Only pr_err() prints.
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- `export HSAKMT_DEBUG_LEVEL=4` : pr_err() and pr_warn() print.
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- `export HSAKMT_DEBUG_LEVEL=5` : We currently do not implement “notice”. Setting to 5 is same as setting to 4.
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- `export HSAKMT_DEBUG_LEVEL=6` : pr_err(), pr_warn(), and pr_info print.
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- `export HSAKMT_DEBUG_LEVEL=7` : Everything including pr_debug prints.
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## ROCr Level Environment Variables for Debug
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`HSA_ENABLE_SDMA=0`
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`HSA_ENABLE_INTERRUPT=0`
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`HSA_SVM_GUARD_PAGES=0`
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`HSA_DISABLE_CACHE=1`
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## Turn Off Page Retry on GFX9/Vega Devices
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`sudo -s`
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`echo 1 > /sys/module/amdkfd/parameters/noretry`
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## HIP Environment Variables 3.x
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### OpenCL Debug Flags
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`AMD_OCL_WAIT_COMMAND=1 (0 = OFF, 1 = On)`
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## PCIe-Debug
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Refer to ROCm PCIe Debug, <a href="https://rocmdocs.amd.com/en/latest/Other_Solutions/PCIe-Debug.html#pcie-debug" target="_blank">https://rocmdocs.amd.com/en/latest/Other_Solutions/PCIe-Debug.html#pcie-debug</a>.
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For information on how to debug and profile HIP applications, see {doc}`hip:how_to_guides/debugging`
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