From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH] app/testpmd: log mbuf pool creation
Date: Mon, 30 May 2016 21:44:43 +0200
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References: <1464609857-30162-1-git-send-email-olivier.matz@6wind.com>
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To: Olivier Matz <olivier.matz@6wind.com>
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2016-05-30 14:04, Olivier Matz:
> Enhance the logs related to mbuf pool creation. Display an info level
> log when creating the mbuf, and display the error as a string on failure.
> 
> After the patch, we have:
> 
>   [...]
>   EAL:   probe driver: 8086:10fb rte_ixgbe_pmd
>   USER1: create a new mbuf pool <mbuf_pool_socket_0>: n=331456, \
>       size=2176, socket=0
>   EAL: Error - exiting with code: 1
>     Cause: Creation of mbuf pool for socket 0 failed: Cannot allocate \
>       memory

Yes printing the error reason is a good improvement.
But why the previous line is at INFO level? It looks to be a debug.