On Fri, Sep 14, 2018 at 03:36:46PM -0700, Qing Huang wrote: > > > On 9/14/2018 2:14 PM, David Miller wrote: > > 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. > > This is more for Infiniband mode which depends more on features and > functionalities For pure infiniband devices you have rdmatool, part of iproute2. [leonro@server-14-015 ~]$ rdma dev 1: mlx5_0: node_type ca fw 3.8.9999 node_guid 5254:00c0:fe12:3455 sys_image_guid 5254:00c0:fe12:3455 > provided in firmware and get much more frequent FW bug fixes than typical > Ethernet > devices. This is not meant to replace other ways of getting the information, > more like > an enhancement for checking log history. > > This can provide valuable information when tracing through system log > history to > discover what happened with a specific HCA drv ver and fw ver combination in > the past. > > Regards, > Qing
Attachment:
signature.asc
Description: PGP signature
