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Description of problem:
If VDO is suspended and then resumed and there is an error in the preresume code of VDO, this can cause a crash. This was discovered using an internal test RebuildDuration where VDO was rebuilding during a grow physical attempt.
Version-Release number of selected component (if applicable):
How reproducible:
Steps to Reproduce:
1. Write some data in VDO in Async Mode.
2. Crash the box. Restart VDO.
3. While VDO is rebuilding its metadata, try growing the physical size.
Actual results:
Expected results:
Additional info:
I was not able to reproduce after several different crashes with versions:
kmod-kvdo-6.2.1.138-57.el8.x86_64
vdo-6.2.1.134-11.el8.x86_64
kernel-4.18.0-144.el8.x86_64
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, 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-2019:3548