[Bug 290156] mrsas driver crashes on 15.0-ALPHA5 (CACHE PAGE TOO SHORT)

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290156

--- Comment #2 from Paul Telles (Starcat) <tellesp2002@gmail.com> ---
My apologies, I didn't realize that the gpart error wasn't fatal and jumped the
gun because I had never received the 'CACHE PAGE TOO SHORT' errors in prior
releases.

I ran additional test(s) below and everything appears to be fine. Is there a
known cause for the errors or are they benign?

On a side note, is there anything that can be done to improve write
performance? 66 MB/s is slow as compared to 114 MB/s with Fedora using the
megaraid_sas driver.

Thank you for your assistance. I greatly appreciate it and promise to
troubleshoot things more thoroughly in the future.

Kind regards,

--Paul

Additional test(s):
# zpool create testpool raidz da0 da1 da2
invalid vdev specification
use '-f' to override the following errors:
/dev/da0 is part of potentially active pool 'scsitarg'
/dev/da1 is part of potentially active pool 'scsitarg'
/dev/da2 is part of potentially active pool 'scsitarg'
# zpool labelclear -f da0
# zpool labelclear -f da1
# zpool labelclear -f da2
# zpool create testpool raidz da0 da1 da2
# zfs list
NAME       USED  AVAIL  REFER  MOUNTPOINT
testpool   147K  1.75T  30.6K  /testpool
# diskinfo -v /dev/da3
/dev/da3
        512             # sectorsize
        1000204886016   # mediasize in bytes (932G)
        1953525168      # mediasize in sectors
        0               # stripesize
        0               # stripeoffset
        121601          # Cylinders according to firmware.
        255             # Heads according to firmware.
        63              # Sectors according to firmware.
        SEAGATE ST31000424SS    # Disk descr.
        9WK0YH4Y0000C0417UFB    # Disk ident.
        mrsas0          # Attachment
        No              # TRIM/UNMAP support
        7200            # Rotation rate in RPM
        Not_Zoned       # Zone Mode

# dd if=/dev/zero of=/dev/da3 bs=1M count=1000 conv=fdatasync
1000+0 records in
1000+0 records out
1048576000 bytes transferred in 15.838559 secs (66204004 bytes/sec)
#

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