Public bug reported:
Issue found on 4.15.0-1061-kvm, with KVM instance zeppo, moe.
The ubuntu_kvm_smoke_test will fail with:
uvt-kvm: error: timed out waiting for dnsmasq lease for 52:54:00:ee:15:c8.
Traces can be found in syslog.
systemd[1]: Started Daemon for generating UUIDs.
kernel: kauditd_printk_skb: 9 callbacks suppressed
kernel: audit: type=1400 audit(1590647581.375:20): apparmor="STATUS"
operation="profile_load" profile="unconfined"
name="libvirt-2c239120-7dc0-4e83-8c24-1eb5a3081877" pid=1291
comm="apparmor_parser"
kernel: audit: type=1400 audit(1590647581.691:21): apparmor="STATUS"
operation="profile_replace" profile="unconfined"
name="libvirt-2c239120-7dc0-4e83-8c24-1eb5a3081877" pid=1294
comm="apparmor_parser"
kernel: audit: type=1400 audit(1590647581.927:22): apparmor="STATUS"
operation="profile_replace" profile="unconfined"
name="libvirt-2c239120-7dc0-4e83-8c24-1eb5a3081877" pid=1297
comm="apparmor_parser"
kernel: audit: type=1400 audit(1590647582.155:23): apparmor="STATUS"
operation="profile_replace" info="same as current profile, skipping"
profile="unconfined" name="libvirt-2c239120-7dc0-4e83-8c24-1eb5a3081877"
pid=1300 comm="apparmor_parser"
systemd[1]: Started Virtual machine log manager.
libvirtd[693]: 2020-05-28 06:33:02.188+0000: 731: info : libvirt version:
4.0.0, package: 1ubuntu8.17 (Marc Deslauriers <marc.deslauri...@ubuntu.com>
Wed, 06 May 2020 14:18:23 -0400)
systemd-networkd[613]: vnet0: Link UP
systemd-networkd[613]: vnet0: Gained carrier
networkd-dispatcher[662]: WARNING:Unknown index 7 seen, reloading interface list
kernel: virbr0: port 2(vnet0) entered blocking state
kernel: virbr0: port 2(vnet0) entered disabled state
kernel: device vnet0 entered promiscuous mode
kernel: virbr0: port 2(vnet0) entered blocking state
kernel: virbr0: port 2(vnet0) entered listening state
systemd-timesyncd[542]: Network configuration changed, trying to establish
connection.
systemd-timesyncd[542]: Synchronized to time server 10.246.72.3:123
(10.246.72.3).
libvirtd[693]: 2020-05-28 06:33:02.188+0000: 731: info : hostname: zeppo
libvirtd[693]: 2020-05-28 06:33:02.188+0000: 731: warning :
qemuInterfaceOpenVhostNet:687 : Unable to open vhost-net. Opened so far 0,
requested 1
systemd-udevd[1306]: link_config: autonegotiation is unset or enabled, the
speed and duplex are not writable.
dnsmasq[911]: reading /etc/resolv.conf
dnsmasq[911]: using nameserver 127.0.0.53#53
systemd-timesyncd[542]: Network configuration changed, trying to establish
connection.
systemd-timesyncd[542]: Synchronized to time server 10.246.72.3:123
(10.246.72.3).
dnsmasq[911]: reading /etc/resolv.conf
dnsmasq[911]: using nameserver 127.0.0.53#53
kernel: audit: type=1400 audit(1590647582.424:24): apparmor="STATUS"
operation="profile_replace" profile="unconfined"
name="libvirt-2c239120-7dc0-4e83-8c24-1eb5a3081877" pid=1316
comm="apparmor_parser"
kernel: BUG: unable to handle kernel paging request at 00000000000056b8
kernel: IP: 0xffffffffc01efb02
kernel: PGD 0 P4D 0
kernel: Oops: 0000 [#1] SMP PTI
kernel: Modules linked in: xt_CHECKSUM iptable_mangle ipt_MASQUERADE
nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4
nf_defrag_ipv4 xt_conntrack nf_conntrack libcrc32c ipt_REJECT nf_reject_ipv4
xt_tcpudp ip6table_filter ip6_tables iptable_filter loop fuse kvm_intel
ip_tables x_tables btrfs xor zstd_decompress zstd_compress xxhash lzo_compress
raid6_pq pata_acpi
kernel: CPU: 1 PID: 1323 Comm: CPU 0/KVM Not tainted 4.15.0-1061-kvm #62-Ubuntu
kernel: Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
1.10.2-1ubuntu1 04/01/2014
kernel: RIP: 0010:0xffffffffc01efb02
kernel: RSP: 0018:ffffade780fcbcb0 EFLAGS: 00010002
kernel: RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000
kernel: RDX: 0000000000006c14 RSI: 0000000000000000 RDI: 0000000000000000
kernel: RBP: ffffade780fcbcb0 R08: 0000000000000000 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
kernel: R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
kernel: FS: 00007f6ab9c34700(0000) GS:ffff938c7fd00000(0000)
knlGS:0000000000000000
kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kernel: CR2: 00000000000056b8 CR3: 0000000138aac000 CR4: 00000000000026a0
kernel: Call Trace:
kernel: 0xffffffffc01f0205
kernel: 0xffffffffba031ee1
kernel: 0xffffffffba039cac
kernel: ? 0xffffffffba039cac
kernel: 0xffffffffba01cad1
kernel: ? 0xffffffffba1135d6
kernel: 0xffffffffba219533
kernel: ? 0xffffffffba113ad6
kernel: 0xffffffffba219b24
kernel: 0xffffffffba001d77
kernel: 0xffffffffba800081
kernel: RIP: 0033:0x00007f6ac4e8a5d7
kernel: RSP: 002b:00007f6ab9c33818 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
kernel: RAX: ffffffffffffffda RBX: 000000000000ae80 RCX: 00007f6ac4e8a5d7
kernel: RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000013
kernel: RBP: 000056320fa32220 R08: 000056320ec184f0 R09: 00007f6aac002028
kernel: R10: 00007f6aac003010 R11: 0000000000000246 R12: 0000000000000000
kernel: R13: 00007f6acab67000 R14: 000056320fa32220 R15: 000056320fa32220
kernel: Code: 89 de e8 22 ec ff f9 5b 5d c3 e8 ea c1 ff ff e9 77 ff ff ff 0f 0b
0f 1f 00 f6 05 00 eb 01 00 10 55 b8 01 00 00 00 48 89 e5 74 19 <48> 8b 87 b8 56
00 00 48 8b 40 40 48 8b 80 08 08 00 00 48 c1 e8
kernel: RIP: 0xffffffffc01efb02 RSP: ffffade780fcbcb0
kernel: CR2: 00000000000056b8
kernel: ---[ end trace c8c7461ccaaa2e05 ]---
systemd-networkd[613]: vnet0: Gained IPv6LL
systemd-timesyncd[542]: Network configuration changed, trying to establish
connection.
systemd-timesyncd[542]: Synchronized to time server 10.246.72.3:123
(10.246.72.3).
dnsmasq[911]: reading /etc/resolv.conf
dnsmasq[911]: using nameserver 127.0.0.53#53
kernel: virbr0: port 2(vnet0) entered learning state
kernel: virbr0: port 2(vnet0) entered forwarding state
kernel: virbr0: topology change detected, propagating
systemd-networkd[613]: virbr0: Gained carrier
systemd-timesyncd[542]: Network configuration changed, trying to establish
connection.
systemd-timesyncd[542]: Synchronized to time server 10.246.72.3:123
(10.246.72.3).
dnsmasq[911]: reading /etc/resolv.conf
dnsmasq[911]: using nameserver 127.0.0.53#53
dnsmasq[911]: reading /etc/resolv.conf
dnsmasq[911]: using nameserver 127.0.0.53#53
kernel: random: crng init done
kernel: random: 7 urandom warning(s) missed due to ratelimiting
This issue cannot be reproduced with 4.15.0-1060-kvm
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-1061-kvm 4.15.0-1061.62
ProcVersionSignature: User Name 4.15.0-1061.62-kvm 4.15.18
Uname: Linux 4.15.0-1061-kvm x86_64
ApportVersion: 2.20.9-0ubuntu7.14
Architecture: amd64
Date: Thu May 28 06:29:28 2020
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=C.UTF-8
SHELL=/bin/bash
SourcePackage: linux-kvm
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Affects: linux-kvm (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic kqa-blocker package-from-proposed sru-20200518
ubuntu-kvm-smoke-test uec-images
** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Summary changed:
- "BUG: unable to handle kernel paging request" with B-KVM in proposed
+ "BUG: unable to handle kernel paging request" when testing
ubuntu_kvm_smoke_test.kvm_smoke_test with B-KVM in proposed
** Tags added: kqa-blocker sru-20200518 ubuntu-kvm-smoke-test
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https://bugs.launchpad.net/bugs/1881072
Title:
"BUG: unable to handle kernel paging request" when testing
ubuntu_kvm_smoke_test.kvm_smoke_test with B-KVM in proposed
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