> -----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