https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230910
Bug ID: 230910
Summary: zfs fails to mount root with error 22 when geom_mirror
is loaded (possible regression)
Product: Base System
Version: 11.2-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Created attachment 196562
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=196562&action=edit
screen with error
Mail from 2018/05/23:
Just pushed updates to one of dev servers and found out it's unable to boot
right now. During boot situation resembles what was shown previously at:
https://lists.freebsd.org/pipermail/freebsd-fs/2013-September/018246.html
1. Gmirror grabs partitions for two devices (swap/boot)
2. ZFS fails to mount root with error 22.
3. random: unblocking device
4. ZFS retries mount and fails again, exits to debug prompt.
Setting vfs.mountroot.timeout to 300 just makes kernel output another error
each ~12 seconds. There is a problem with a code, it decreases value by one
second for each full timeout period.
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208882
^^^ Here's where I got those tunables.
My kernel configuration is rather minimal and is very close to MINIMAL.
Removing geom_mirror fixes the problem. Starting geom_mirror later works
without any issues.
Machine has UFS boot due to rather nasty Cisco firmware that only allows one
single device to be available during boot.
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