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The mstdump utility dumps device internal configuration registers. The dump file is used by the Support team for hardware troubleshooting purposes. It can be applied on all NVIDIA® devices.

For the tool to properly work with Inband devices, both the MFT and the Firmware must be updated to the latest (MFT v4.18.0 & firmware vXX.32.1xxx). 

If ConnectX-4 adapter card is used as an Inband device, for the tool to work properly, you need to use MFT 4.17.0.  

mstdump Usage

To run mstdump:

# mstdump [-full] <mst device> > <dump file>   

where the -full flag dumps all internal registers.


[root@mymach]# mstdump /dev/mst/mt4099_pci_cr0 > mt4099.dmp       

This dumps the internal configuration data of the device into the file mt4099.dmp.