Hi Jonathan Thanks for your help. Finally I enter into the machine lab and find the there is no IPMI supported on my host, and it support DCMI. I install DCMI module and solve the problem Thanks > On May 25, 2016, at 10:05 PM, Jonathan Billings <billings at negate.org> wrote: > > On Wed, May 25, 2016 at 07:34:05PM +0800, Frank Yu wrote: >> >> Hi all, >> >> I am trying to load kernel module ipmi_si, while failed with error "No such >> device", truth is I can find file in >> ../kernel/drivers/char/ipmi/ipmi_si.ko. So why I can't load it? >> [...] >> # modprobe ipmi_si >> FATAL: Error inserting ipmi_si >> (/lib/modules/2.6.32-573.el6.x86_64/kernel/drivers/char/ipmi/ipmi_si.ko): >> No such device >> [...] >> What should I do if I want to setup IPMI on my centos host? > > The 'No such device' error is occurring because you are trying to load > the module, and 'modprobe' is finding the kernel module, but when it > loads, the kernel module is unable to discover the hardware, so it > fails. Look at the output of 'dmesg' to see if there's any output > related to loading the module. ipmi_si has several parameters you can > specify which can increase debugging. > > It looks to me like your hardware doesn't have a BMC that supports > IPMI. Have you verified that the hardware you bought has one? Can > you get into the BIOS and set it up that way? > > -- > Jonathan Billings <billings at negate.org> > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos