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69 lines
1.8 KiB
Markdown
69 lines
1.8 KiB
Markdown
---
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myst:
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html_meta:
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"description": "Learn more about common system-level debugging measures for ROCm."
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"keywords": "env, var, sys, PCIe, troubleshooting, admin, error"
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---
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# System debugging
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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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For information on how to debug and profile HIP applications, see {doc}`hip:how-to/debugging`
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