apport information
** Attachment added: "acpidump.txt"
https://bugs.launchpad.net/bugs/2039258/+attachment/5709152/+files/acpidump.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/2039258
Title:
qemu 4.2-3ubuntu6.27 Does Not Boot Reliably Into Linux 5.4.0-164.181
Status in linux package in Ubuntu:
Confirmed
Bug description:
We have a number of Ubuntu 20.04 servers that have recently been
upgraded to linux 5.4.0-164.181 and qemu 4.2-3ubuntu6.27.
About 1/1000 boots of qemu results in a failed boot hanging at 100%
CPU indefinately. A number of our utilities are using qemu for
processing, so we get a lot of processes spinning at 100% that we need
to clean up regularly.
Ubuntu: 20.04
Linux: 5.4.0-164.181
Qemu: 4.2-3ubuntu6.27
This problem was not seen before the release of Linux. 5.4.0-164.181
on sept. 1.
What you expected to happen: Qemu boots linux reliably.
What happened instead: Qemu hangs at 100% indefinately.
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ProblemType: Bug
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k5.4.0-164-generic.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.11-0ubuntu27.27
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c',
'/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
CasperMD5CheckResult: skip
DistroRelease: Ubuntu 20.04
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lsusb:
Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd QEMU USB Tablet
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Lsusb-t:
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
|__ Port 1: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 12M
MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
Package: linux (not installed)
ProcFB: 0 cirrusdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-164-generic
root=UUID=ed61e67e-7605-4383-ac16-fe54ee2ede87 ro net.ifnames=0 biosdevname=0
netcfg/do_not_use_netplan=true
ProcVersionSignature: Ubuntu 5.4.0-164.181-generic 5.4.248
RelatedPackageVersions:
linux-restricted-modules-5.4.0-164-generic N/A
linux-backports-modules-5.4.0-164-generic N/A
linux-firmware 1.187.39
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
Tags: focal
Uname: Linux 5.4.0-164-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: N/A
_MarkForUpload: True
dmi.bios.date: 04/01/2014
dmi.bios.vendor: SeaBIOS
dmi.bios.version: 1.13.0-1ubuntu1.1
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: pc-i440fx-4.2
dmi.modalias:
dmi:bvnSeaBIOS:bvr1.13.0-1ubuntu1.1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-4.2:cvnQEMU:ct1:cvrpc-i440fx-4.2:
dmi.product.name: Standard PC (i440FX + PIIX, 1996)
dmi.product.version: pc-i440fx-4.2
dmi.sys.vendor: QEMU
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