What do you mean? Wouldn't the kernel version always be the actual running version of the kernel that was booted? Ben On 3/26/19 6:16 PM, wuzhouhui wrote: >> -----Original Messages----- >> From: "Benjamin Hauger" <hauger at noao.edu> >> Sent Time: 2019-03-27 00:15:21 (Wednesday) >> To: centos at centos.org >> Cc: >> Subject: Re: [CentOS] How to specify kernel version when restart kdump >> >> kdump operates by booting a fresh kernel to capture the context of a >> crashed kernel, and so the only way for kdump to dump a kernel is to >> crash it and cause kdump to invoke its post-crash kernel. >> >> You can manually force a running kernel to panic (and invoke a >> correctly-configured kdump) with the following command sequence: >> >>> echo 1 > /proc/sys/kernel/sysrq >>> echo c > /proc/sysrq-trigger >> >> Cheers, >> Ben > Hi, Ben > > I think your response doesn't answered my question. I'm not asking > how to trigger kernel crash and see whether the kdump is works, but > asking how to specifying kernel version when start kdump service. > > Thanks. >> >> >> On 3/25/19 7:19 PM, wuzhouhui wrote: >> CentOS at centos.org >> https://lists.centos.org/mailman/listinfo/centos > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos > -- Benjamin Hauger SysAdmin/CSDC-DMO Rm. 94 x8371