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SubjectRe: [PATCH] net/mlx4_core: print firmware version during driver loading
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On 9/14/2018 11:17 AM, Andrew Lunn wrote:
> On Fri, Sep 14, 2018 at 10:15:48AM -0700, Qing Huang wrote:
>> The FW version is actually a very crucial piece of information and only
>> printed once here
>> when the driver is loaded. People tend to get confused when switching
>> multiple FW files
>> back and forth without running separate utility tools, especially at
>> customer sites.
>> IMHO, this information is very useful and only takes up very little log file
>> space. :-)
> Why not use ethtool -i ?
>
> $ sudo ethtool -i eth0
> driver: r8169
> version: 2.3LK-NAPI
> firmware-version: rtl8168g-2_0.0.1 02/06/13
>
> Andrew
Sure. You can also use ibstat or ibv_devinfo tool if they are installed.
But it's not very
convenient in some cases.

E.g.
A customer upgrades FW on HCAs and encounters issues. During triage,
it's much easier
to study customer uploaded log files when remotely testing different FW
files.

Thanks.



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