Doug (if you are around?), et al,

The timeout problems w/ 5.1.19 continue.  Here is a verbose log trace of
what goes on almost constantly:

Sep 30 22:33:39 pii kernel: scsi : aborting command due to timeout : pid 7404, scsi0, 
channel 0, id 0, lun 0 0x2a 00 00 75 b7 6f 00 00 80 00  
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Aborting scb 11, flags 0x4 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) SCB disconnected.  Queueing Abort SCB. 
Sep 30 22:33:39 pii kernel: scsi : aborting command due to timeout : pid 7405, scsi0, 
channel 0, id 0, lun 0 0x2a 00 00 75 b7 ef 00 00 80 00  
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Abort message mailed. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Reset/Abort pending for this device, not 
wasting our time. 
Sep 30 22:33:39 pii kernel: scsi : aborting command due to timeout : pid 7406, scsi0, 
channel 0, id 0, lun 0 0x2a 00 00 75 b8 6f 00 00 80 00  
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) SCB 11 abort delivered. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Reset device, active_scb 1 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning up status information and 
delayed_scbs. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning QINFIFO. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning waiting_scbs. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning waiting for selection list. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning disconnected scbs list. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Aborting scb 11 
Sep 30 22:33:39 pii kernel: (scsi0:-1:-1:-1) 1 commands found and queued for 
completion. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Aborting scb 5, flags 0x4 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) SCB disconnected.  Queueing Abort SCB. 
Sep 30 22:33:39 pii kernel: scsi : aborting command due to timeout : pid 7407, scsi0, 
channel 0, id 0, lun 0 0x2a 00 00 75 b8 ef 00 00 80 00  
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Abort message mailed. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Reset/Abort pending for this device, not 
wasting our time. 
Sep 30 22:33:39 pii kernel: scsi : aborting command due to timeout : pid 7408, scsi0, 
channel 0, id 0, lun 0 0x2a 00 00 75 b9 6f 00 00 58 00  
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Reset/Abort pending for this device, not 
wasting our time. 
Sep 30 22:33:39 pii kernel: scsi : aborting command due to timeout : pid 7409, scsi0, 
channel 0, id 0, lun 0 0x2a 00 00 75 b9 eb 00 00 02 00  
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) SCB 5 abort delivered. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Reset device, active_scb 11 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning up status information and 
delayed_scbs. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning QINFIFO. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning waiting_scbs. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning waiting for selection list. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning disconnected scbs list. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Aborting scb 5 
Sep 30 22:33:39 pii kernel: (scsi0:-1:-1:-1) 1 commands found and queued for 
completion. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Aborting scb 10, flags 0x4 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) SCB disconnected.  Queueing Abort SCB. 
Sep 30 22:33:39 pii kernel: scsi : aborting command due to timeout : pid 7410, scsi0, 
channel 0, id 0, lun 0 0x2a 00 00 75 bb ef 00 00 2a 00  
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Abort message mailed. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Reset/Abort pending for this device, not 
wasting our time. 
Sep 30 22:33:39 pii kernel: scsi : aborting command due to timeout : pid 7411, scsi0, 
channel 0, id 0, lun 0 0x2a 00 00 75 bc 1b 00 00 0a 00  
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Reset/Abort pending for this device, not 
wasting our time. 
Sep 30 22:33:39 pii kernel: scsi : aborting command due to timeout : pid 7412, scsi0, 
channel 0, id 0, lun 0 0x2a 00 00 75 c3 2d 00 00 80 00  
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) SCB 10 abort delivered. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Reset device, active_scb 11 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning up status information and 
delayed_scbs. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning QINFIFO. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning waiting_scbs. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning waiting for selection list. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning disconnected scbs list. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Aborting scb 10 
Sep 30 22:33:39 pii kernel: (scsi0:-1:-1:-1) 1 commands found and queued for 
completion. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Aborting scb 4, flags 0x4 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) SCB disconnected.  Queueing Abort SCB. 
Sep 30 22:33:39 pii kernel: scsi : aborting command due to timeout : pid 7413, scsi0, 
channel 0, id 0, lun 0 0x2a 00 00 75 c3 ad 00 00 60 00  
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Abort message mailed. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Reset/Abort pending for this device, not 
wasting our time. 
Sep 30 22:33:39 pii kernel: scsi : aborting command due to timeout : pid 7414, scsi0, 
channel 0, id 0, lun 0 0x2a 00 00 75 c5 0f 00 00 3e 00  
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Reset/Abort pending for this device, not 
wasting our time. 
Sep 30 22:33:39 pii kernel: scsi : aborting command due to timeout : pid 7415, scsi0, 
channel 0, id 0, lun 0 0x2a 00 00 75 f9 eb 00 00 02 00  
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) SCB 4 abort delivered. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Reset device, active_scb 11 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning up status information and 
delayed_scbs. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning QINFIFO. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning waiting_scbs. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning waiting for selection list. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning disconnected scbs list. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Aborting scb 4 
Sep 30 22:33:39 pii kernel: (scsi0:-1:-1:-1) 1 commands found and queued for 
completion. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Aborting scb 0, flags 0x4 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) SCB disconnected.  Queueing Abort SCB. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Abort message mailed. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) SCB 0 abort delivered. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Reset device, active_scb 11 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning up status information and 
delayed_scbs. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning QINFIFO. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning waiting_scbs. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning waiting for selection list. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:-1) Cleaning disconnected scbs list. 
Sep 30 22:33:39 pii kernel: (scsi0:0:0:0) Aborting scb 0 
Sep 30 22:33:39 pii kernel: (scsi0:-1:-1:-1) 1 commands found and queued for 
completion. 
Sep 30 22:34:21 pii kernel: scsi : aborting command due to timeout : pid 10429, scsi0, 
channel 0, id 0, lun 0 0x28 00 00 5d e6 5d 00 00 80 00  
Sep 30 22:34:21 pii kernel: (scsi0:0:0:0) Aborting scb 4, flags 0x4 
Sep 30 22:34:21 pii kernel: (scsi0:0:0:0) SCB found in QINFIFO and aborted. 
Sep 30 22:34:21 pii kernel: (scsi0:0:0:0) Aborting scb 4 
Sep 30 22:34:21 pii kernel: (scsi0:-1:-1:-1) 1 commands found and queued for 
completion. 
Sep 30 22:34:21 pii kernel: scsi : aborting command due to timeout : pid 10430, scsi0, 
channel 0, id 0, lun 0 0x28 00 00 5d e6 dd 00 00 80 00  
Sep 30 22:34:21 pii kernel: (scsi0:0:0:0) Abort called with bogus Scsi_Cmnd pointer. 


And, again, here is /proc/scsi/aic7xxx/0:

Adaptec AIC7xxx driver version: 5.1.19/3.2.4
Compile Options:
  TCQ Enabled By Default : Enabled
  AIC7XXX_PROC_STATS     : Disabled
  AIC7XXX_RESET_DELAY    : 5

Adapter Configuration:
           SCSI Adapter: Adaptec AIC-7890/1 Ultra2 SCSI host adapter
                           Ultra-2 LVD/SE Wide Controller
    PCI MMAPed I/O Base: 0xe3800000
 Adapter SEEPROM Config: SEEPROM found and used.
      Adaptec SCSI BIOS: Enabled
                    IRQ: 12
                   SCBs: Active 0, Max Active 12,
                         Allocated 15, HW 32, Page 255
             Interrupts: 27521
      BIOS Control Word: 0x18a6
   Adapter Control Word: 0x1c5e
   Extended Translation: Enabled
Disconnect Enable Flags: 0xffff
     Ultra Enable Flags: 0x0000
 Tag Queue Enable Flags: 0x0001
Ordered Queue Tag Flags: 0x0001
Default Tag Queue Depth: 12
    Tagged Queue By Device array for aic7xxx host instance 0:
      {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}
    Actual queue depth per device for aic7xxx host instance 0:
      {12,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}

Statistics:

(scsi0:0:0:0)
  Device using Wide/Sync transfers at 80.0 MByte/sec, offset 15
  Transinfo settings: current(10/15/1/0), goal(10/15/1/0), user(10/127/1/0)
  Total transfers 27418 (10646 reads and 16772 writes)


Many thanks for any pointers.

Steve



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