From: Qing Huang <qing.huang@xxxxxxxxxx> Date: Fri, 14 Sep 2018 11:33:40 -0700 > > > 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. Not a valid argument. You can print the ethtool output from initramfs if necessary for triage. I still stand by the fact that ethtool is the only fully reliable way to obtain this information, the kernel log is not.
