softlockups/rcu sched
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Expired
|
Medium
|
Unassigned |
Bug Description
1.$ lsb_release -rd
Description: Ubuntu Artful Aardvark (development branch)
Release: 17.10
2. $ apt-cache policy linux-image-virtual
linux-image-
Installed: 4.13.0.11.12
Candidate: 4.13.0.11.12
Version table:
*** 4.13.0.11.12 500
500 http://
100 /var/lib/
3. System shutsdown cleanly, qemu exits non-zero
4. System stays hung until testcase timesout.
Single VCPU kvm guest on Artful host.
Reached target Shutdown.
[ 60.036030] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [systemd:1]
[ 88.036012] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [systemd:1]
[ 96.920015] INFO: rcu_sched detected stalls on CPUs/tasks:
[ 96.920526] (detected by 0, t=15002 jiffies, g=3321, c=3320, q=377)
[ 96.921161] All QSes seen, last rcu_sched kthread activity 15002 (4294916526-
[ 96.922409] rcu_sched kthread starved for 15002 jiffies! g3321 c3320 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0
[ 124.036015] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [systemd:1]
[ 152.036020] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [systemd:1]
[ 180.036016] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [systemd:1]
[ 208.036013] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [systemd:1]
[ 236.036015] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [systemd:1]
[ 264.036012] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [systemd:1]
[ 276.940010] INFO: rcu_sched detected stalls on CPUs/tasks:
[ 276.940520] (detected by 0, t=60007 jiffies, g=3321, c=3320, q=377)
[ 276.941088] All QSes seen, last rcu_sched kthread activity 60007 (4294961531-
[ 276.942165] rcu_sched kthread starved for 60007 jiffies! g3321 c3320 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-image-
ProcVersionSign
Uname: Linux 4.13.0-11-generic x86_64
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Oct 9 15:06 seq
crw-rw---- 1 root audio 116, 33 Oct 9 15:06 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.7-0ubuntu1
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CRDA: N/A
Date: Mon Oct 9 15:13:30 2017
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_
LANG=C.UTF-8
SHELL=/bin/bash
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=
RelatedPackageV
linux-
linux-
linux-firmware N/A
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/01/2014
dmi.bios.vendor: SeaBIOS
dmi.bios.version: 1.10.2-1ubuntu1
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.
dmi.modalias: dmi:bvnSeaBIOS:
dmi.product.name: Standard PC (i440FX + PIIX, 1996)
dmi.product.
dmi.sys.vendor: QEMU
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