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This bug was initially created as a copy of Bug #2223895
I am copying this bug because:
Also applies
Description of problem:
A customer hit an issue when building the ReaR ISO: the process always fails due to having a `/dev/mqueue/nnsc` which shrinks when being read, causing the verification code to (hopefully) fail.
See PR https://github.com/rear/rear/pull/3027 for details and a reproducer.
Version-Release number of selected component (if applicable):
all rear releases
How reproducible:
Always using the attached reproducer `shrinking.stp`
Steps to Reproduce:
1. Create a file in /dev which will be embedded in the rescue environment
# dd if=/dev/urandom of=/dev/shrinking bs=10K count=3
3+0 records in
3+0 records out
30720 bytes (31 kB, 30 KiB) copied, 0.000689566 s, 44.5 MB/s
2. Execute the systemtap script in charge of shrinking the file while being copied
# yum -y install systemtap yum-utils
# stap-prep
# stap -v -g ./shrinking.stp
[...]
Pass 5: starting run.
3. Execute rear mkrescue from another terminal
# rear mkrescue
Actual results:
ERROR: ReaR recovery system in '/var/tmp/rear.tpfZyNy6ayS53wP/rootfs' not usable (required libraries are missing)
Some latest log messages since the last called script 990_verify_rootfs.sh:
wipefs is /bin/wipefs
mkfs is /bin/mkfs
mkfs.xfs is /bin/mkfs.xfs
xfs_admin is /bin/xfs_admin
mkswap is /bin/mkswap
cryptsetup is /bin/cryptsetup
dmsetup is /bin/dmsetup
ldconfig is /bin/ldconfig
Expected results:
No error
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (rear bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2023:7060