[ovirt-users] Re: Hosted Engine Deploy kernel panics on boot

On Thu, Jul 26, 2018 at 12:44 PM Karli Sjöberg <karli(a)inparadise.se&gt; wrote: > On Thu, 2018-07-26 at 12:38 +0200, Simone Tiraboschi wrote: > >  > >  > > On Thu, Jul 26, 2018 at 9:30 AM Karli Sjöberg <karli(a)inparadise.s > e> > > wrote: > > > On Thu, 2018-07-26 at 09:27 +0200, Simone Tiraboschi wrote: > > > >  > > > >  > > > > On Wed, Jul 25, 2018 at 12:04 PM Karli Sjöberg <karli@inparad > ise. > > > se> > > > > wrote: > > > > > Hey all! > > > > >  > > > > > I'm trying to deploy Hosted Engine through the Cockpit UI > and > > > it's > > > > > going well until it's time to start the local VM and it > kernel > > > > > panics: > > > > >  > > > > > [    2.032053] Call Trace: > > > > > [    2.032053]  [<ffffffffb687e78c>] > > > load_elf_binary+0x33c/0xe50 > > > > > [    2.032053]  [<ffffffffb68f3919>] ? > ima_bprm_check+0x49/0x50 > > > > > [    2.032053]  [<ffffffffb687e450>] ? > > > load_elf_library+0x220/0x220 > > > > > [    2.032053]  [<ffffffffb682236f>] > > > > > search_binary_handler+0xef/0x310 > > > > > [    2.032053]  [<ffffffffb6823b4b>] > > > > > do_execve_common.isra.24+0x5db/0x6e0 > > > > > [    2.032053]  [<ffffffffb6823c68>] do_execve+0x18/0x20 > > > > > [    2.032053]  [<ffffffffb66afc1f>] > > > > > ____call_usermodehelper+0xff/0x140 > > > > > [    2.032053]  [<ffffffffb66afb20>] ? > > > > > call_usermodehelper+0x60/0x60 > > > > > [    2.032053]  [<ffffffffb6d20677>] > > > > > ret_from_fork_nospec_begin+0x21/0x21 > > > > > [    2.032053]  [<ffffffffb66afb20>] ? > > > > > call_usermodehelper+0x60/0x60 > > > > > [    2.032053] Code: cf e9 ff 4c 89 f7 e8 7b 32 e7 ff e9 4d > fa > > > ff > > > > > ff 65 8b 05 03 a0 7e 49 a8 01 0f 84 85 fc ff ff 31 d2 b8 01 > 00 > > > 00 > > > > > 00 b9 49 00 00 00 <0f> 30 0f 1f 44 00 00 48 c7 c0 10 00 00 > 00 > > > e8 07 > > > > > 00 00 00 f3 90 > > > > > [    2.032053] RIP  [<ffffffffb6823025>] > > > flush_old_exec+0x725/0x980 > > > > > [    2.032053]  RSP <ffff8add75ecbd00> > > > > > [    2.298131] ---[ end trace 354b4039b6fb0889 ]--- > > > > > [    2.303914] Kernel panic - not syncing: Fatal exception > > > > > [    2.304835] Kernel Offset: 0x35600000 from > > > 0xffffffff81000000 > > > > > (relocation range: 0xffffffff80000000-0xffffffffbfffffff) > > > > >  > > > > > I've never had this problem so I'd just want to know if > it's a > > > > > known > > > > > issue right now or if I've done anything special to deserve > > > this:) > > > > >  > > > > > The "Hosts" I'm deploying this on are VMs with nested virt > > > > > activated, > > > > > and I've done this before but this time around it's > bombing, as > > > > > earlier > > > > > explained. > > > > >  > > > >  > > > > Thanks for the report, > > > > which hypervisor are you using on L0? > > >  > > > In my case it's Xubuntu 18.04 LTS. Is there anything I can do > to > > > help > > > out with this? > >  > > And you are running your host VM on KVM, right? > > Correct, but wait, woa woa, what am I saying, it's not 18.04, it's > 16.04! I was looking on the wrong computer:) > > Just to be as clear as I possibly can, the issue I am facing is > with > Xubuntu 16.04.4 LTS as L0 hypervisor. We are successfully running our CI tests on a nested env on Centos 7.5. Maybe the issue is just due to an older KVM version on Xubuntu 16.04.4 LTS. Honestly I never tried that combination but I think it could be worth to try with a different L0.