Hi Dave, I reinstall the "RHEL 7.0" using the "minimal install", and the kernel is not "debug" version. So I also can't remember how this "debug" kernel comes. And in /root folder, I can't find any log file. Anyway, this is not related to crash. Thanks for your and Buland' effort and time! Best Regards Nan Xiao On Mon, Nov 2, 2015 at 10:12 PM, Dave Anderson <anderson@xxxxxxxxxx> wrote: > > > ----- Original Message ----- >> Hi Buland, >> >> Thanks very much for your answer! After installing the right debuginfo package, >> now crash works! >> >> BTW, if possible, could you spare a little time to explain other confusion: it seems >> that I don't select whether "debug" version or not during install RHEL 7, why does it >> install the "debug" version for me? Thanks! >> Best Regards >> Nan Xiao > > I haven't done a RHEL7 installation from scratch in quite some > time, but with respect to the software selection stage, it gives > you a handful of possibilities (Minimal Install, Basic Web Server, > Virtualization Host, etc.), and with any of those selections you > would get the standard kernel-<version> package. I don't even > think it's possible to get the kernel-debug-<version> package > unless you did some kind of custom installation, or if it was > installed after-the-fact. > > Your system should have log files in /root that show what packages > were originally installed on the system. Check them for evidence > of which kernel was installed. > > Dave > > > > > >> >> >> On Mon, Nov 2, 2015 at 4:09 PM, Buland Kumar Singh >> <6b65726e656c@xxxxxxxxx> wrote: >> > On 2 November 2015 at 12:56, Nan Xiao <xiaonan830818@xxxxxxxxx> wrote: >> >> >> >> Hi Buland, >> >> >> >> Firstly, thanks for your comments! >> >> >> >> Executing the following commands: >> >> >> >> [root@localhost ktap]# uname -r >> >> 3.10.0-123.el7.x86_64.debug >> >> >> >> [root@localhost ktap]# rpm -q kernel-debuginfo >> >> kernel-debuginfo-3.10.0-123.el7.x86_64 >> >> >> >> [root@localhost ktap]# rpm -q kernel >> >> kernel-3.10.0-123.el7.x86_64 >> >> >> >> It seems all the versions are match. So I think it is not this issue, >> >> thanks! >> >> Best Regards >> >> Nan Xiao >> >> >> >> >> > >> > Nan, >> > >> > The kernel running on your system is kernel-debug-3.10.0-123.el7.x86_64 >> > >> > [root@localhost ktap]# uname -r >> > 3.10.0-123.el7.x86_64.debug >> > ^ >> > '.... >> > >> > It is provided by kernel-debug-3.10.0-123.el7.x86_64.rpm >> > >> > The kernel-debuginfo package installed on your system is for normal kernel. >> > >> > [root@localhost ktap]# rpm -q kernel-debuginfo >> > kernel-debuginfo-3.10.0-123.el7.x86_64 >> > >> > To fix it, you need to install >> > kernel-debug-debuginfo-3.10.0-123.el7.x86_64.rpm >> > >> > -- >> > BKS >> > >> > -- >> > Crash-utility mailing list >> > Crash-utility@xxxxxxxxxx >> > https://www.redhat.com/mailman/listinfo/crash-utility >> >> -- >> Crash-utility mailing list >> Crash-utility@xxxxxxxxxx >> https://www.redhat.com/mailman/listinfo/crash-utility >> > > -- > Crash-utility mailing list > Crash-utility@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/crash-utility -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility