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While running an Ubuntu kernel (not a mainline or third-party kernel)
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apport-collect 1979633
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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1979633
Title:
The "bare" snap is the cause of error messages "unable to read
partition table" and "partition table beyond EOD, truncated"
Status in linux package in Ubuntu:
Incomplete
Status in snapd package in Ubuntu:
Invalid
Bug description:
Hi,
here is the problem:
# journalctl | grep loop4
Jun 23 09:49:45 vougeot kernel: loop4: detected capacity change from 0 to 8
Jun 23 09:49:45 vougeot kernel: Dev loop4: unable to read RDB block 8
Jun 23 09:49:45 vougeot kernel: loop4: unable to read partition table
Jun 23 09:49:45 vougeot kernel: loop4: partition table beyond EOD, truncated
The loop4 device is used to mount the "bare" snap:
$ df -a | grep /snap/bare/
[...]
/dev/loop4 128 128 0 100%
/snap/bare/5
Note that on another system, the loop device will probably have
another number. The error messages can be found with the following
commands:
# journalctl | grep "unable to read RDB block"
Jun 23 09:49:45 vougeot kernel: Dev loop4: unable to read RDB block 8
# journalctl | grep "unable to read partition table"
Jun 23 09:49:45 vougeot kernel: loop4: unable to read partition table
# journalctl | grep "partition table beyond EOD"
Jun 23 09:49:45 vougeot kernel: loop4: partition table beyond EOD, truncated
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: snapd 2.55.5+22.04
Uname: Linux 5.18.6-051806-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Thu Jun 23 11:39:16 2022
Snap.Changes: no changes found
SourcePackage: snapd
UpgradeStatus: No upgrade log present (probably fresh install)
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