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For a few weeks, we experience systematic kernel crashes during the backup of two distinct Proxmox VE fully-updated 6.4 hosts running on 5.4.114-1-pve Linux kernel. Backups are using the stop mode and a NFS or CIFS mount.

I've taken the two enclosed screenshots of the hosts console after two crashes. They seem to both exhibit the same fib_get_table kernel method. What can I do to further diagnose the problem or avoid the crash ?

kernel panic 1

kernel panic 2

David Le Borgne
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1 Answers1

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You can install and configure kdump to gather the kernel core after the crash has occurred, then analyze it with crash. See this Linux Journal article for more details.

Mircea Vutcovici
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