On Mon, Nov 13, 2017 at 06:11:19PM +0000, Marc Zyngier wrote: > On 13/11/17 17:35, Jan Glauber wrote: > > On Mon, Nov 13, 2017 at 01:47:38PM +0000, Marc Zyngier wrote: [...] > >> Please elaborate. Messed in what way? Corrupted? The guest crashing? Or > >> is that a tooling issue? > > > > Every vcpu that oopses prints one line in parallel, so I get blocks like: > > [58880.179814] [<ffff000008084b98>] ret_from_fork+0x10/0x18 > > [58880.179834] [<ffff000008084b98>] ret_from_fork+0x10/0x18 > > [58880.179847] [<ffff000008084b98>] ret_from_fork+0x10/0x18 > > [58880.179873] [<ffff000008084b98>] ret_from_fork+0x10/0x18 > > [58880.179893] [<ffff000008084b98>] ret_from_fork+0x10/0x18 > > [58880.179911] [<ffff000008084b98>] ret_from_fork+0x10/0x18 > > [58880.179917] [<ffff000008084b98>] ret_from_fork+0x10/0x18 > > [58880.180288] [<ffff000008084b98>] ret_from_fork+0x10/0x18 > > [58880.180303] [<ffff000008084b98>] ret_from_fork+0x10/0x18 > > [58880.180336] [<ffff000008084b98>] ret_from_fork+0x10/0x18 > > [58880.180363] [<ffff000008084b98>] ret_from_fork+0x10/0x18 > > [58880.180384] [<ffff000008084b98>] ret_from_fork+0x10/0x18 > > [58880.180415] [<ffff000008084b98>] ret_from_fork+0x10/0x18 > > [58880.180461] [<ffff000008084b98>] ret_from_fork+0x10/0x18 > > > > I can send the full log if you want to have a look. > > Sure, send that over (maybe not over email though). Here is the guest dmesg: http://paste.ubuntu.com/25955682/ And the host dmesg as it might have been too big for the lists: http://paste.ubuntu.com/25955699/ > Can you send me your kernel configuration as well? I wonder if we're not > seeing interactions with things like KSM and the like... It was plain arm64 defconfig but I disabled HAVE_KVM_CPU_RELAX_INTERCEPT. Not that it had an impact, just tried. http://paste.ubuntu.com/25955726/ --Jan
