Running a similar setup on a ext4 backing store can also trigger ooms w/o the hangs, where as the first hang occurred when running on a ZFS backing store.
Jul 2 19:18:52 mahobay kernel: [ 1579.086409] Call Trace: Jul 2 19:18:52 mahobay kernel: [ 1579.086415] dump_stack+0x67/0x86 Jul 2 19:18:52 mahobay kernel: [ 1579.086417] dump_header+0x54/0x2fb Jul 2 19:18:52 mahobay kernel: [ 1579.086419] ? cpuset_mems_allowed_intersects+0x25/0x30 Jul 2 19:18:52 mahobay kernel: [ 1579.086421] oom_kill_process.cold.31+0xb/0x10 Jul 2 19:18:52 mahobay kernel: [ 1579.086422] out_of_memory+0x1c0/0x480 Jul 2 19:18:52 mahobay kernel: [ 1579.086424] __alloc_pages_slowpath+0xb6d/0xeb0 Jul 2 19:18:52 mahobay kernel: [ 1579.086427] __alloc_pages_nodemask+0x2e3/0x330 Jul 2 19:18:52 mahobay kernel: [ 1579.086429] alloc_pages_vma+0x7e/0x1d0 Jul 2 19:18:52 mahobay kernel: [ 1579.086431] __handle_mm_fault+0x93d/0x1240 Jul 2 19:18:52 mahobay kernel: [ 1579.086433] handle_mm_fault+0xc9/0x1f0 Jul 2 19:18:52 mahobay kernel: [ 1579.086435] __get_user_pages+0x248/0x720 Jul 2 19:18:52 mahobay kernel: [ 1579.086437] get_user_pages_unlocked+0x156/0x1f0 Jul 2 19:18:52 mahobay kernel: [ 1579.086456] __gfn_to_pfn_memslot+0x12e/0x400 [kvm] Jul 2 19:18:52 mahobay kernel: [ 1579.086471] try_async_pf+0x89/0x250 [kvm] Jul 2 19:18:52 mahobay kernel: [ 1579.086486] tdp_page_fault+0x140/0x280 [kvm] Jul 2 19:18:52 mahobay kernel: [ 1579.086491] ? vmx_vmexit+0x1b/0x30 [kvm_intel] Jul 2 19:18:52 mahobay kernel: [ 1579.086505] kvm_mmu_page_fault+0x79/0x640 [kvm] Jul 2 19:18:52 mahobay kernel: [ 1579.086509] ? vmx_vmexit+0x1b/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086512] ? vmx_vmexit+0xf/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086515] ? vmx_vmexit+0x1b/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086518] ? vmx_vmexit+0xf/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086522] ? vmx_vmexit+0x1b/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086525] ? vmx_vmexit+0xf/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086528] ? vmx_vmexit+0x1b/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086532] ? vmx_vmexit+0xf/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086535] ? vmx_vmexit+0xf/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086538] ? vmx_vmexit+0x1b/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086542] ? vmx_vmexit+0xf/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086545] ? vmx_vmexit+0x1b/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086548] ? vmx_vmexit+0xf/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086551] ? vmx_vmexit+0x1b/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086554] ? vmx_vmexit+0xf/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086557] ? vmx_vmexit+0x1b/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086560] ? vmx_vmexit+0xf/0x30 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086564] handle_ept_violation+0xcf/0x220 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086567] vmx_handle_exit+0xab/0x7d0 [kvm_intel] Jul 2 19:18:53 mahobay kernel: [ 1579.086581] vcpu_enter_guest+0x2db/0x1500 [kvm] Jul 2 19:18:53 mahobay kernel: [ 1579.086583] ? __schedule+0x2c2/0x650 Jul 2 19:18:53 mahobay kernel: [ 1579.086597] kvm_arch_vcpu_ioctl_run+0xd5/0x580 [kvm] Jul 2 19:18:53 mahobay kernel: [ 1579.086609] kvm_vcpu_ioctl+0x24f/0x620 [kvm] Jul 2 19:18:53 mahobay kernel: [ 1579.086611] ? __seccomp_filter+0x7e/0x6c0 Jul 2 19:18:53 mahobay kernel: [ 1579.086613] ? __wake_up_locked_key+0x1f/0x30 Jul 2 19:18:53 mahobay kernel: [ 1579.086616] do_vfs_ioctl+0xad/0x640 Jul 2 19:18:53 mahobay kernel: [ 1579.086617] ? __secure_computing+0x42/0xd0 Jul 2 19:18:53 mahobay kernel: [ 1579.086619] ksys_ioctl+0x6b/0xa0 Jul 2 19:18:53 mahobay kernel: [ 1579.086621] __x64_sys_ioctl+0x1e/0x30 Jul 2 19:18:53 mahobay kernel: [ 1579.086623] do_syscall_64+0x5e/0x140 Jul 2 19:18:53 mahobay kernel: [ 1579.086625] entry_SYSCALL_64_after_hwframe+0x44/0xa9 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1835072 Title: vm related hang on Eoan 5.2.0-7-generic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1835072/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
