[linux-lvm] Check of pool ernie/cache failed (status:1). Manual repair required!
Dennis Schridde
devurandom at gmx.net
Fri May 11 17:34:42 UTC 2018
Hello!
I have an issue re-gaining access to my data. The error messages are:
# lvchange -ay ernie/system
Check of pool ernie/cache failed (status:1). Manual repair required!
# lvconvert --repair ernie/system
bad checksum in superblock
Repair of cache metadata volume of cache ernie/system failed (status:1).
Manual repair required!
How do I recover from this situation and repair the volume group?
For a full log, including the output of pvdisplay, vgdisplay and lvdisplay -a,
please see attached log file. If more information is necessary, please ask.
What led to this situation:
I am using one of the infamous AMD Ryzen 2400G with an AMD B350 chipset, which
suffers from random lockups related to CPU C-states [1]. With the recent
AGESA 1.0.0.2a firmware update and the introduction of the "Power Supply Idle
Control = Typical Current Idle" setting, the system is stable, if it boots at
all. But it often takes several attempts to boot -- the failed attempts
ending in weird firmware / EFI or CPU / idle related Linux kernel stack
traces, which sometimes even require a hard reset, since soft-reboot (ctrl+alt
+del) sometimes has no effect, because init dies. This was such a situation,
where I had to reboot (ctrl+alt+del) and reset (hard) the system several
times, at the end of which everything seemed fine, except that dracut was
timing out when activating the disks. Debugging the situation using a Fedora
28 live system resulted in the attached log file.
--Dennis
[1]: https://bugzilla.kernel.org/show_bug.cgi?id=196683
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