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Date:      Sun, 4 Sep 2016 13:46:52 +0300
From:      Slawa Olhovchenkov <slw@zxy.spb.ru>
To:        freebsd-stable@freebsd.org
Subject:   11.0 messages regression
Message-ID:  <20160904104652.GB22212@zxy.spb.ru>

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After upgrading to 11.0 messages in message buffer to highly
interlaced:

da18: <ATA Crucial_CT525MX3 R021> Fixed Direct Access SPC-4 SCSI device
da18: Serial Number 162813454D9E
da18: 600.000MB/s transfers
da18: Command Queueing enabled
da18: 500786MB (1025610768 512 byte sectors)
mps3:0:1:0): UNMAPPED
SMP: AP CPU #16 Launched!
SMP: AP CPU #2 Launched!
SMP: AP CPU #20 Launched!
SMP: AP CPU #7 Launched!
SMP: AP CPU #12 Launched!
SMP: AP CPU #19 Launched!
SMP: AP CPU #8 Launched!
da19 at mps3 bus 0 scbus15 target 1 lun 0
SMP: AP CPU #14 Launched!
da19: <ATA Crucial_CT525MX3 R021> Fixed Direct Access SPC-4 SCSI device
SMP: AP CPU #9 Launched!
da19: Serial Number 162813454642
SMP: AP CPU #17 Launched!
da19: 600.000MB/s transfersSMP: AP CPU #6 Launched!

da19: Command Queueing enabled
SMP: AP CPU #15 Launched!
da19: 500786MB (1025610768 512 byte sectors)
SMP: AP CPU #5 Launched!
SMP: AP CPU #23 Launched!
SMP: AP CPU #1 Launched!
SMP: AP CPU #21 Launched!
SMP: AP CPU #4 Launched!
SMP: AP CPU #10 Launched!
SMP: AP CPU #18 Launched!
SMP: AP CPU #22 Launched!
SMP: AP CPU #3 Launched!
SMP: AP CPU #13 Launched!
SMP: AP CPU #11 Launched!

For example, output from 10.3 (different host):

da18 at mps2 bus 0 scbus10 target 4 lun 0
da18: <ATA HGST HDN724040AL A5E0> Fixed Direct Access SPC-4 SCSI device
da18: Serial Number       PK2334PBHD8DBR
da18: 600.000MB/s transfers
da18: Command Queueing enabled
da18: 3815447MB (7814037168 512 byte sectors)
da15 at mps2 bus 0 scbus10 target 1 lun 0
da15: <ATA HGST HDN724040AL A5E0> Fixed Direct Access SPC-4 SCSI device
da15: Serial Number       PK2334PBHEB0KR
da15: 600.000MB/s transfers
da15: Command Queueing enabled
da15: 3815447MB (7814037168 512 byte sectors)
da19 at mps2 bus 0 scbus10 target 5 lun 0
da17: 600.000MB/s transfers
da17: Command Queueing enabled
da17: 3815447MB (7814037168 512 byte sectors)
da19: <ATA TOSHIBA MD04ACA4 FP2A> Fixed Direct Access SPC-4 SCSI device
da19: Serial Number         Y5P7KJ7AFSAA
da19: 600.000MB/s transfers
da19: Command Queueing enabled
da19: 3815447MB (7814037168 512 byte sectors)
da16 at mps2 bus 0 scbus10 target 2 lun 0
da16: <ATA HGST HDN724040AL A5E0> Fixed Direct Access SPC-4 SCSI device
da16: Serial Number       PK2334PBHE83ZR
da16: 600.000MB/s transfers
da16: Command Queueing enabled
da16: 3815447MB (7814037168 512 byte sectors)
uhub0: 2 ports with 2 removable, self powered
uhub1: 2 ports with 2 removable, self powered
SMP: AP CPU #8 Launched!
SMP: AP CPU #4 Launched!
SMP: AP CPU #10 Launched!
SMP: AP CPU #3 Launched!
SMP: AP CPU #11 Launched!
SMP: AP CPU #2 Launched!
SMP: AP CPU #6 Launched!
SMP: AP CPU #9 Launched!
SMP: AP CPU #1 Launched!
SMP: AP CPU #15 Launched!
SMP: AP CPU #7 Launched!
SMP: AP CPU #13 Launched!
SMP: AP CPU #5 Launched!
SMP: AP CPU #12 Launched!
SMP: AP CPU #14 Launched!

Also, mps log error in not safe way:

(da6:mps1:0:2:0): Retrying command
(da6:mps1:0:2:0): READ(6). CDB: 08 00 00 20 e0 00 
(da6:mps1:0:2:0): CAM status: SCSI Status Error
(da6:mps1:0:2:0): SCSI status: Check Condition
(da6:mps1:0:2:0): SCSI sense: ABORTED COMMAND asc:0,0 (No additional sense information)
(da6:mps1:0:2:0): Retrying command (per sense data)
        (da6:mps1:0:2:0): READ(6). CDB: 08 00 02 20 e0 00 length 114688 SMID 585 terminated ioc 804b scsi 0 state 0 xfer 0
        (da6:mps1:0:2:0): READ(16). CDB: 88 00 00 00 00 01 d1 c0 ba 20 00 00 00 e0 00 00 length 114688 SMID 916 terminated ioc 804b s(da6:mps1:0:2:0): READ(6). CDB: 08 00 02 20 e0 00 
csi 0 state 0 xfer 0
(da6:mps1:0:2:0): CAM status: CCB request completed with an error
        (da6:mps1:0:2:0): READ(16). CDB: 88 00 00 00 00 01 d1 c0 bc 20 00 00 00 e0 00 00 length 114688 SMID 635 terminated ioc 804b s(da6:csi 0 state 0 xfer 0
mps1:0: (da6:mps1:0:2:0): READ(16). CDB: 88 00 00 00 00 01 d1 c0 be af 00 00 00 01 00 00 length 512 SMID 801 terminated ioc 804b scsi2:0):  0 state 0 xfer 0
Retrying command
(da6:mps1:0:2:0): READ(16). CDB: 88 00 00 00 00 01 d1 c0 ba 20 00 00 00 e0 00 00 
(da6:mps1:0:2:0): CAM status: CCB request completed with an error
(da6:mps1:0:2:0): Retrying command
(da6:mps1:0:2:0): READ(16). CDB: 88 00 00 00 00 01 d1 c0 bc 20 00 00 00 e0 00 00 
(da6:mps1:0:2:0): CAM status: CCB request completed with an error
(da6:mps1:0:2:0): Retrying command
(da6:mps1:0:2:0): READ(16). CDB: 88 00 00 00 00 01 d1 c0 be af 00 00 00 01 00 00 
(da6:mps1:0:2:0): CAM status: CCB request completed with an error
(da6:mps1:0:2:0): Retrying command



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