[Bug 210132] hang on boot with locked SSD / regression towards 10.1

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210132

Hannes Hauswedell <h2+fbsdports at fsfe.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|Affects Only Me             |Affects Some People

--- Comment #2 from Hannes Hauswedell <h2+fbsdports at fsfe.org> ---
Four years later, and the problem persists. FreeBSD-12.1 and a snapshot of
FreeBSD-13 hang at the same location. Possibly related debug output of
FreeBSD13 when booting:

uma_zalloc_debug: zone "kenv" with the following non-sleepable locks held:
exclusive sleep mutex CAM device lock (CAM device lock) r = 0(....)
locked @ /usr/src/sys/cam/scsi/scsi_pass.c:674
stack backtrace:
...

While ZFS native encryption will allow using unencrypted SLOGs on SSDs in the
future, FreeBSD should still be able to boot a computer that contains a locked
self-encrypted device (SED). This is definitely a bug and a regression.

My system is currently in a state where it is barely maintainable with no
upgrade path. Please let me know if there is anything I can do to help fix
this.
Please also tell whether this issue will be acted upon in the near future or
whether I should look for different solutions (e.g. Linux with ZFS).

Thank you!

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