[sle-beta] kdump doesn't work with Xen

Vincent Moutoussamy vmoutoussamy at suse.com
Fri Apr 27 09:18:27 MDT 2018


Hi,

Could you please create a bug report if you can still reproduce this on RC3?

Thanks,
Regards,
--
Vincent Moutoussamy
SUSE Beta Program and SDK Project Manager

> On 13 Apr 2018, at 10:05, Dietmar Hahn <dietmar.hahn at ts.fujitsu.com> wrote:
> 
> Hi,
> 
> I installed a virtualisationhost with Xen as the hypervisor.
> With yast I configured kdump.
> After a reboot on the serial console I can see:
> (XEN) Kdump: 239MB (244736kB) at 0xac300000
> 
> # systemctl status kdump
> ● kdump.service - Load kdump kernel and initrd
>   Loaded: loaded (/usr/lib/systemd/system/kdump.service; enabled; vendor preset: disabled)
>   Active: active (exited) since Fri 2018-04-13 05:19:49 CEST; 1h 54min ago
>  Process: 1480 ExecStart=/lib/kdump/load.sh --update (code=exited, status=0/SUCCESS)
> Main PID: 1480 (code=exited, status=0/SUCCESS)
>    Tasks: 0 (limit: 4915)
>   CGroup: /system.slice/kdump.service
> 
> Apr 13 05:19:46 bs2gfx systemd[1]: Starting Load kdump kernel and initrd...
> Apr 13 05:19:49 bs2gfx kdump[1622]: Loaded kdump kernel: /sbin/kexec -p /boot/vmlinuz-4.12.14-16.4-default --a
> Apr 13 05:19:49 bs2gfx systemd[1]: Started Load kdump kernel and initrd.
> 
> All seem to be very well but when triggering the crash via
> # echo c > /proc/sysrq-trigger
> no dump is written, I only see the message
> (XEN) Hardware Dom0 crashed: rebooting machine in 5 seconds.
> 
> Later I tried to trigger the crash directly from within Xen:
> login: (XEN) *** Serial input -> Xen (type 'CTRL-a' three times to switch input to DOM0)
> (XEN) 'C' pressed -> triggering crashdump
> (XEN)  * no crash kernel loaded!
> 
> Is there something I'm doing wrong?
> Thanks.
> 
> Dietmar.
> 
> _______________________________________________
> sle-beta mailing list
> sle-beta at lists.suse.com
> http://lists.suse.com/mailman/listinfo/sle-beta

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