[Bug 222533] One HDD not seen by mps (11.1 regression)

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sat Sep 23 14:12:49 UTC 2017


            Bug ID: 222533
           Summary: One HDD not seen by mps (11.1 regression)
           Product: Base System
           Version: 11.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: a.parseg at gmail.com

Created attachment 186641
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=186641&action=edit
10.3-RELEASE dmesg

Machine is a HP Proliant ML350 G5 with on-board E200i Smart Array, used as a
file server.

Since the E200i does not support JBOD, one disk (in a hardware single-disk
RAID0) is attached to it as an UFS system disk.

An unmodified Dell H200 controller has been added, and drives the original
8x2.5" drive cage. Those 8 disks (Seagate Barracuda, 2TB) are set up in a
raidz2 pool.

With all disks present, the zpool uses da0-da7 off the H200 controller, and da8
is the system disk, using labels for / and swap.

Under 10.3-RELEASE (currently running), everything runs fine.

Under 11.1-RELEASE (previously installed, and re-tested by booting with the
installer USB key), the sixth disk off the H200 controller simply disappears ;
it is not seen by the mps driver (as reported by dmesg), drives are renumbered
accordingly (da0-da4 unchanged, da6 becomes da5 etc, system/smart array appears
on da7). 

Tested under multiple configurations with the original SAS drives in the cage,
either one by one or as a group ; it is always the disk at the same location
that goes missing.

Rebooting back to 10.3, all the disks are recognized.

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