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** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1870559
Title:
Kernel NULL pointer dereference while receiving zfs snapshots
Status in linux package in Ubuntu:
Confirmed
Bug description:
I was transferring my zfs snapshots to the backup server, when
suddenly it stalled. I checked dmesg on the server and found a "kernel
bug" entry.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-21-generic 5.4.0-21.25
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k5.4.0-21-generic.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.11-0ubuntu22
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/pcmC0D4p', '/dev/snd/pcmC0D3p',
'/dev/snd/pcmC0D2p', '/dev/snd/pcmC0D1p', '/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'
Date: Fri Apr 3 14:48:19 2020
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
MachineType: System manufacturer System Product Name
ProcFB: 0 nouveaudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-21-generic
root=UUID=7934268a-8e6f-11e8-828e-00133b1029de ro mitigations=off maybe-ubiquity
RelatedPackageVersions:
linux-restricted-modules-5.4.0-21-generic N/A
linux-backports-modules-5.4.0-21-generic N/A
linux-firmware 1.187
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2020-01-19 (75 days ago)
dmi.bios.date: 12/23/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0214
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5LD2-X/1333
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev x.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: ASUSTek Computer INC.
dmi.chassis.version: Rev 1.xx
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0214:bd12/23/2008:svnSystemmanufacturer:pnSystemProductName:pvrRev1.xx:rvnASUSTeKComputerINC.:rnP5LD2-X/1333:rvrRevx.xx:cvnASUSTekComputerINC.:ct3:cvrRev1.xx:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: Rev 1.xx
dmi.sys.vendor: System manufacturer
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