[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1784393
Title:
Kernel Crash when running on nested environment
Status in linux package in Ubuntu:
Expired
Bug description:
When running an Ubuntu 17.10 or 18.04 VM and then running a Kata-
Container (which creates a new VM), sometimes I get a kernel Panic in
the First VM launched.
I don't know what is the Host distro, since this is a cloud
environment.
Using this script, it is easily reproducible:
https://gist.github.com/chavafg/d00fa4dbefb144e6b7eeceb5e1ad9c65
This is the kernel panic got from Ubuntu 17.10:
[ 7893.642642] general protection fault: 0000 [#1] SMP PTI
[ 7893.644919] Modules linked in: vhost_net vhost macvtap macvlan tap veth
kvm_intel kvm irqbypass ipt_MASQUERADE nf_nat_masquerade_ipv4
nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter
xt_conntrack nf_nat nf_conntrack br_netfilter bridge stp llc overlay
nls_iso8859_1 ppdev crct10dif_pclmul crc32_pclmul ghash_clmulni_intel joydev
input_leds serio_raw parport_pc parport ib_iser rdma_cm iw_cm ib_cm ib_core
iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4
btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx
xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid
aesni_intel aes_x86_64 crypto_simd floppy cryptd glue_helper psmouse virtio_net
virtio_blk
[ 7893.666649] [last unloaded: irqbypass]
[ 7893.667910] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.13.0-45-generic
#50-Ubuntu
[ 7893.670283] Hardware name: RDO OpenStack Compute, BIOS 1.11.0-2.el7
04/01/2014
[ 7893.672483] task: ffffffffb0412480 task.stack: ffffffffb0400000
[ 7893.674218] RIP: 0010:native_write_cr4+0x4/0x10
[ 7893.675549] RSP: 0018:ffff8b08bfc03f50 EFLAGS: 00010006
[ 7893.677138] RAX: 00000000000626f0 RBX: 0000000000000000 RCX:
ffff8b08bfc23cd0
[ 7893.679254] RDX: ffff8b08bfc14020 RSI: ffff8b08bfc23cd0 RDI:
00000000000606f0
[ 7893.681478] RBP: ffff8b08bfc03f50 R08: 00000a6d223ad8ee R09:
ffff8b08ac931800
[ 7893.683695] R10: 00000001001cf7c1 R11: 0000000000000061 R12:
0000000000023cd0
[ 7893.685895] R13: 0000000000000001 R14: ffff8b08bff4a800 R15:
000000000008a000
[ 7893.688171] FS: 0000000000000000(0000) GS:ffff8b08bfc00000(0000)
knlGS:0000000000000000
[ 7893.690855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7893.692658] CR2: 00007fb2f8fdc020 CR3: 000000035b80a003 CR4:
00000000000626f0
[ 7893.694909] Call Trace:
[ 7893.695837] <IRQ>
[ 7893.696664] hardware_disable+0x99/0xb0 [kvm_intel]
[ 7893.698380] kvm_arch_hardware_disable+0x19/0x40 [kvm]
[ 7893.700043] hardware_disable_nolock+0x2b/0x30 [kvm]
[ 7893.701712] flush_smp_call_function_queue+0x5c/0x100
[ 7893.703335] generic_smp_call_function_single_interrupt+0x13/0x30
[ 7893.705321] smp_call_function_interrupt+0x2d/0x40
[ 7893.706883] call_function_interrupt+0x1af/0x1c0
[ 7893.708529] </IRQ>
[ 7893.709361] RIP: 0010:native_safe_halt+0x6/0x10
[ 7893.710878] RSP: 0018:ffffffffb0403df8 EFLAGS: 00000246 ORIG_RAX:
ffffffffffffff03
[ 7893.713311] RAX: ffffffffafb1be10 RBX: ffffffffb0660720 RCX:
0000000000000000
[ 7893.715635] RDX: 0000000000000000 RSI: 0000000000000000 RDI:
0000000000000000
[ 7893.717890] RBP: ffffffffb0403df8 R08: 0000000000000002 R09:
ffff8b08ac931800
[ 7893.720044] R10: 00000001001cf7c1 R11: 0000000000000061 R12:
0000000000000000
[ 7893.722234] R13: 0000000000000000 R14: ffff8b08bff4a800 R15:
000000000008a000
[ 7893.724426] ? __cpuidle_text_start+0x8/0x8
[ 7893.725828] default_idle+0x20/0x100
[ 7893.727209] arch_cpu_idle+0x15/0x20
[ 7893.728450] default_idle_call+0x23/0x30
[ 7893.729613] do_idle+0x16f/0x1e0
[ 7893.730643] cpu_startup_entry+0x73/0x80
[ 7893.731825] rest_init+0xbc/0xc0
[ 7893.732840] start_kernel+0x4c8/0x4e9
[ 7893.733974] ? early_idt_handler_array+0x120/0x120
[ 7893.735306] x86_64_start_reservations+0x24/0x26
[ 7893.736607] x86_64_start_kernel+0x13a/0x15d
[ 7893.737887] secondary_startup_64+0x9f/0xa0
[ 7893.739139] Code: 0f 1f 80 00 00 00 00 55 48 89 e5 0f 20 d8 5d c3 0f 1f 80
00 00 00 00 55 48 89 e5 0f 22 df 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 <0f> 22
e7 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 44 0f 20 c0 5d
[ 7893.744104] RIP: native_write_cr4+0x4/0x10 RSP: ffff8b08bfc03f50
[ 7893.745775] ---[ end trace fccf997ea9a59d36 ]---
[ 7893.747097] Kernel panic - not syncing: Fatal exception in interrupt
[ 7893.749271] Kernel Offset: 0x2e200000 from 0xffffffff81000000 (relocation
range: 0xffffffff80000000-0xffffffffbfffffff)
[ 7893.752179] ---[ end Kernel panic - not syncing: Fatal exception in
interrupt
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