http://bugzilla.opensuse.org/show_bug.cgi?id=1177624
http://bugzilla.opensuse.org/show_bug.cgi?id=1177624#c1
--- Comment #1 from Guillaume GARDET ---
Sometimes, I also have only:
[ 220.878852] watchdog: BUG: soft lockup - CPU#24 stuck for 22s!
[qemu-system-aar:5195]
[ 220.886671] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4
dns_resolver nfs lockd grace sunrpc fscache af_packet tun nfnetlink_cttimeout
iscsi_ibft iscsi_boot_sysfs rfkill openvswitch nsh nf_conncount xt_MASQUERADE
ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_conntrack
ip_set nfnetlink ebtable_nat ebtable_broute ip6table_nat ip6table_mangle
ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6
nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ebtable_filter
ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables ext4
mbcache jbd2 nls_iso8859_1 nls_cp437 vfat fat ipmi_ssif marvell aes_ce_blk
crypto_simd cryptd aes_ce_cipher hibmc_drm crct10dif_ce drm_vram_helper
ghash_ce joydev aes_arm64 ttm sha2_ce ses sha256_arm64 enclosure drm_kms_helper
sha1_ce drm sbsa_gwdt efi_pstore ipmi_si fb_sys_fops ipmi_devintf
ipmi_msghandler syscopyarea sysfillrect sysimgblt hns_dsaf hns_enet_drv hnae
hns_mdio btrfs libcrc32c xor
[ 220.886740] xor_neon zlib_deflate raid6_pq sd_mod hid_generic usbhid
ehci_platform hisi_sas_v2_hw ehci_hcd hisi_sas_main libsas scsi_transport_sas
usbcore libata overlay sg dm_multipath dm_mod scsi_dh_rdac scsi_dh_emc
scsi_dh_alua scsi_mod efivarfs
[ 220.886758] CPU: 24 PID: 5195 Comm: qemu-system-aar Not tainted
5.3.18-lp152.44-default #1 openSUSE Leap 15.2
[ 220.886759] Hardware name: Huawei TaiShan 2280 /BC11SPCD, BIOS 1.50
06/01/2018
[ 220.886761] pstate: 80000005 (Nzcv daif -PAN -UAO)
[ 220.886772] pc : invalidate_icache_range+0x28/0x50
[ 220.886776] lr : user_mem_abort+0x954/0xad0
[ 220.886777] sp : ffff000025bd38e0
[ 220.886778] x29: ffff000025bd38e0 x28: 00000000000016bd
[ 220.886780] x27: 0000000040208000 x26: 0000000000000001
[ 220.886782] x25: ffff8015843c8008 x24: 0000000001e40000
[ 220.886784] x23: ffff8016d38fe270 x22: ffff000011699000
[ 220.886786] x21: ffff8016dbe746a0 x20: 0000000000000000
[ 220.886788] x19: ffff8016e8810000 x18: 000000009b190274
[ 220.886789] x17: 02ffff800001000e x16: 0000000000000000
[ 220.886791] x15: 0000000000000000 x14: 0000000000000000
[ 220.886793] x13: 0000000000000000 x12: 000000009b1906a4
[ 220.886795] x11: 0000000041d8c440 x10: 0000ffff00000000
[ 220.886797] x9 : 00000000410fd082 x8 : 0000000047e00000
[ 220.886799] x7 : 0000000fbc000000 x6 : 0000000000000018
[ 220.886801] x5 : 0000000000000000 x4 : ffff000011999218
[ 220.886803] x3 : ffff801e7e9d4f40 x2 : 0000000000000040
[ 220.886804] x1 : ffff801e80000000 x0 : ffff801e40000000
[ 220.886807] Call trace:
[ 220.886810] invalidate_icache_range+0x28/0x50
[ 220.886813] kvm_handle_guest_abort+0x258/0x468
[ 220.886815] handle_exit+0x14c/0x1c8
[ 220.886818] kvm_arch_vcpu_ioctl_run+0x298/0x8a8
[ 220.886821] kvm_vcpu_ioctl+0x490/0x8b0
[ 220.886824] do_vfs_ioctl+0xc4/0x778
[ 220.886826] ksys_ioctl+0x8c/0xa0
[ 220.886828] __arm64_sys_ioctl+0x28/0x38
[ 220.886831] el0_svc_common.constprop.0+0xa0/0x1f8
[ 220.886833] el0_svc_handler+0x34/0x90
[ 220.886836] el0_svc+0x10/0x14
[ 406.194705] hrtimer: interrupt took 2740 ns
[ 655.700660] BTRFS info (device sda2): qgroup scan completed (inconsistency
flag cleared)
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