** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1910806
Title:
System hang - kernel 5.8.0-36
Status in linux package in Ubuntu:
Invalid
Bug description:
I reported what I believe to be the same problem yesterday with kernel
-34 but running the rsync command to create a backup.
I can cause the system to hang with the following commands:
dd if=Win10_20H2_v2_English_x64.iso of=/dev/null bs=8192k
cp Win10_20H2_v2_English_x64.iso /var/tmp
The source file resides on a zfs filesystem in a raidz1 pool (4 x 4TB
Seagate drives)
These commands and the rsync work with kernel 5.8.0-33
The filename describes the contents.
zpool scrub runs without errors...
cw0624@cascade:~/Documents/Computing/Windows$ ls -l *.iso
-rw-r--r-- 1 jcw0624 staff 6221846528 Dec 20 12:18
Win10_20H2_v2_English_x64.iso
jcw0624@cascade:~/Documents/Computing/Windows$ zpool status
pool: data
state: ONLINE
scan: scrub repaired 0B in 0 days 00:22:28 with 0 errors on Fri Jan 8
11:48:13 2021
config:
NAME STATE READ WRITE CKSUM
data ONLINE 0 0 0
raidz1-0 ONLINE 0 0 0
sda ONLINE 0 0 0
sdb ONLINE 0 0 0
sdc ONLINE 0 0 0
sdd ONLINE 0 0 0
errors: No known data errors
jcw0624@cascade:~/Documents/Computing/Windows$
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: linux-image-5.8.0-36-generic 5.8.0-36.40
ProcVersionSignature: Ubuntu 5.8.0-36.40-generic 5.8.18
Uname: Linux 5.8.0-36-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp nvidia_modeset zcommon znvpair
nvidia
ApportVersion: 2.20.11-0ubuntu50.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jcw0624 5470 F.... pulseaudio
/dev/snd/controlC1: jcw0624 5470 F.... pulseaudio
CasperMD5CheckResult: skip
Date: Fri Jan 8 11:56:46 2021
InstallationDate: Installed on 2020-10-03 (97 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
IwConfig:
lo no wireless extensions.
enp9s0 no wireless extensions.
MachineType: To be filled by O.E.M. To be filled by O.E.M.
ProcEnviron:
LANGUAGE=en_CA:en
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_CA.UTF-8
SHELL=/bin/bash
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-36-generic
root=UUID=89ed8b12-0ade-4a0f-91c3-8f9f4b3a8a81 ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-5.8.0-36-generic N/A
linux-backports-modules-5.8.0-36-generic N/A
linux-firmware 1.190.2
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to groovy on 2020-11-09 (60 days ago)
dmi.bios.date: 10/16/2012
dmi.bios.release: 4.6
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1604
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: SABERTOOTH 990FX
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1604:bd10/16/2012:br4.6:svnTobefilledbyO.E.M.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnASUSTeKCOMPUTERINC.:rnSABERTOOTH990FX:rvrRev1.xx:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: To be filled by O.E.M.
dmi.product.sku: To be filled by O.E.M.
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: To be filled by O.E.M.
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