[Bug 206008] Cannot detect hot-swapped SATA drives on camcontrol rescan/reset

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=206008

            Bug ID: 206008
           Summary: Cannot detect hot-swapped SATA drives on camcontrol
                    rescan/reset
           Product: Base System
           Version: 10.1-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: misc
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: kburetta at benaroyaresearch.org
                CC: freebsd-amd64 at FreeBSD.org
                CC: freebsd-amd64 at FreeBSD.org

Using this hardware:
•       Dell PowerEdge R530
    o   Intel Dual Port 82599EB 10-Gigabit SFP+ Network
    o   Intel Quad Port I350 Gigabit Network Connection
    o   LSI 9201-16e SAS HBA (6 Gbit/s)
    o   8x 16GB DDR4 RAM
•       SuperMicro SC847E16-RJBOD1 disk shelf
    o   Supermicro PWS-1K41P-1R 1400W power supply
•       SFF-8088  to SFF-8088 external SAS cables

•       HDDs
    o   Seagate ST6000NM024 6TB SATA enterprise HDD
•       SSDs
    o   Samsung 850 Pro MZ-7KE1T0BW 1TB SATA SSD


When I have a drive failure and replace said drive (hotswap). The device is not
detected in FreeBSD while the system is hot. Camcontrol rescan/reset all does
not result in drive detection of the newly attached drive.
However, restarting the server does cause the drive to be detected after boot.


This is what /var/log/messages looks like at the time of drive failure::

Jan  4 22:15:40 sea-zed-01 kernel: (da75:mps0:0:99:0): WRITE(16). CDB: 8a 00 00
00 00 01 5c 72 9e 08 00 00 00 10 00 00 length 8192 SMID 628 command timeout cm
0xfffffe0000b8f840 ccb 0xfffff8005d759800
Jan  4 22:15:44 sea-zed-01 kernel: (noperiph:mps0:0:4294967295:0): SMID 1
Aborting command 0xfffffe0000b8f840
Jan  4 22:15:44 sea-zed-01 kernel: (da75:mps0:0:99:0): WRITE(16). CDB: 8a 00 00
00 00 01 5c 72 9e 08 00 00 00 10 00 00
Jan  4 22:15:44 sea-zed-01 kernel: mps0: (da75:mps0:0:99:0): CAM status:
Command timeout
Jan  4 22:15:44 sea-zed-01 kernel: IOCStatus = 0x4b while resetting device 0x20
Jan  4 22:15:44 sea-zed-01 kernel: (da75:mps0:0:99:0): Retrying command
Jan  4 22:15:44 sea-zed-01 kernel: da75 at mps0 bus 0 scbus0 target 99 lun 0
Jan  4 22:15:44 sea-zed-01 kernel: da75: <ATA ST6000NM0024-1HT SN02> s/n       
     Z4D1AEAN detached
Jan  4 22:15:44 sea-zed-01 kernel: GEOM_ELI: Crypto WRITE request failed
(error=6). gpt/b15.eli[WRITE(offset=2993143136256, length=8192)]
Jan  4 22:15:44 sea-zed-01 kernel: GEOM_ELI: g_eli_read_done() failed
gpt/b15.eli[READ(offset=270336, length=8192)]
Jan  4 22:15:44 sea-zed-01 kernel: GEOM_ELI: g_eli_read_done() failed
gpt/b15.eli[READ(offset=5999999328256, length=8192)]
Jan  4 22:15:44 sea-zed-01 kernel: GEOM_ELI: g_eli_read_done() failed
gpt/b15.eli[READ(offset=5999999590400, length=8192)]
Jan  4 22:15:44 sea-zed-01 kernel: GEOM_ELI: Crypto WRITE request failed
(error=6). gpt/b15.eli[WRITE(offset=2993143144448, length=131072)]
Jan  4 22:15:44 sea-zed-01 kernel: GEOM_ELI: Device gpt/b15.eli destroyed.
Jan  4 22:15:44 sea-zed-01 kernel: GEOM_ELI: Detached gpt/b15.eli on last
close.
Jan  4 22:15:44 sea-zed-01 kernel: (da75:mps0:0:99:0): Periph destroyed
Jan  5 07:17:12 sea-zed-01 [sssd[krb5_child[66189]]]: Preauthentication failed
Jan  5 07:17:12 sea-zed-01 [sssd[krb5_child[66189]]]: Preauthentication failed
Jan  5 07:17:12 sea-zed-01 sshd[66188]: in openpam_check_error_code():
pam_sm_authenticate(): unexpected return value 16
Jan  5 07:17:12 sea-zed-01 sshd[66185]: error: PAM: authentication error for
kburetta from helpdesk0941.brivmrc.org


/var/log/messages shows no new entries at the time of drive insertion.

To reiterate, restarting the machine will detect the drive. But rescanning or
resetting the bus does not.

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