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Conference wonder::turbolaser

Title:TurboLaser Notesfile - AlphaServer 8200 and 8400 systems
Notice:Welcome to WONDER::TURBOLASER in it's new homeshortly
Moderator:LANDO::DROBNER
Created:Tue Dec 20 1994
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:1218
Total number of notes:4645

1164.0. "Disable the SIM Queue Frozen State uerf entry" by CSC32::KLIMAS () Tue Apr 08 1997 04:08

    I need some help in deciphering a uerf entry.  This showed up on an
    8200 on 3.2d-1 after a tape drive had an error. Once this happened the
    tape drive could not be accessed and a "file" command on any device
    special file in /dev would hang the process.  An someone explain what
    this entry is trying to tell me and if it might be related to not being
    to touch any devices with the file command? Any help appreciated
    Thanks in advance,
    
    Douglas Klimas
    MCI Mission Critical Support
    
    ******************************** ENTRY    1
    ********************************
    
    
    Logging OS                        2. Digital UNIX
    System Architecture               2. Alpha
    Event sequence number          1774.
    Timestamp of occurrence              07-APR-1997 20:39:29
    Host name                            mtymsftel01
    
    System type register      x0000000C  AlphaServer 8x00
    Number of CPUs (mpnum)    x00000002
    CPU logging event (mperr) x0000000C
    
    Event validity                    1. O/S claims event is valid
    Event severity                    1. Severe Priority
    Entry type                      199. CAM SCSI Event Type
    
    
    ------- Unit Info -------
    Bus Number                        1.
    Unit Number                   x0068  Target =   5.
                                         LUN =   0.
    ------- CAM Data -------
    Class                           x22  DEC SIM - SCSI Interface Module
    Subsystem                       x22  DEC SIM - SCSI Interface Module
    Number of Packets                 2.
    
    ------ Packet Type ------       258. Module Name String
    
    Routine Name                         ss_abort_done
    
    ------ Packet Type ------       256. Generic String
    
                                         SCSI abort has been performed
    
    
    ******************************** ENTRY    2
    ********************************
    
    
    Logging OS                        2. Digital UNIX
    System Architecture               2. Alpha
    Event sequence number          1773.
    Timestamp of occurrence              07-APR-1997 20:39:29
    Host name                            mtymsftel01
    
    System type register      x0000000C  AlphaServer 8x00
    Number of CPUs (mpnum)    x00000002
    CPU logging event (mperr) x0000000C
    
    Event validity                    1. O/S claims event is valid
    Event severity                    5. Low Priority
    Entry type                      199. CAM SCSI Event Type
    
    
    ------- Unit Info -------
    Bus Number                        1.
    Unit Number                   x0068  Target =   5.
                                         LUN =   0.
    ------- CAM Data -------
    Class                           x00  Disk
    Subsystem                       x00  Disk
    Number of Packets                 3.
    
    ------ Packet Type ------       258. Module Name String
    
    Routine Name                         isp_termio_abort_bdr
    
    ------ Packet Type ------       256. Generic String
    
                                         Specified IO transaction aborted
    
    ------ Packet Type ------      1038. SIM Working Set(SIM_WS)
    Packet Revision                   2.
    
    *flink                    xFFFFFFFF805DA2C0
    *blink                    xFFFFFFFF805DA2C0
    Controller # for HBA              1.
    Target ID                         5.
    LUN                               0.
    Cam Status                      x0B  Command Timeout
    TAG                       x00000000
    Sequence Number               55016.
    Time Stamp                x00000000
    *nexus                    xFFFFFFFF805DA2C0
    *it_nexus                 xFFFFFFFF805DAE08
    *sim_sc                   xFFFFFFFF805D9000
    *ccb                      xFFFFFC001C140F28
    Phase Bits                x00000000
    Misc Flags                x000A0402  Abort initiated on this request
                                         Command has completed
                                         SIM expects bus free phase
                                         Timeout
    Cam Flags                 x00004460  Disable the SIM Queue Frozen State
                                         Attempt Sync Data Xfer - SDTR
    Error Recovery            x00000080  SIM_WS in process of being timed
    out
    Recovery Status           x00000000
    (*as_callback)()          x0000000000000000
    *as_ccb                   x0000000000000000
    (*tmo_fn)()               xFFFFFC0000548350
    *tmo_arg                  xFFFFFC001C140D00
    Rest of SIM_WS                       ** Not Printed **
    
    
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1164.1The Device at ID 5 quit responding to commandsCSC32::B_HIBBERTWhen in doubt, PANICTue Apr 08 1997 13:4913
    Hi Doug,
    
       It look like the device at SCSI id 5 on bus 1 quit responding to the
    system.  I assume this is the tape drive that had the error.  
    
       If this is the tape drive, I would look at the tape errors that you
    said occured before this event and consider replacing the drive.  If
    this is not the tape drive, then the device is still suspect, but I
    would also consider the possibility that some other device on the bus
    or a configuration problem may have caused a bus hang. 
    
    Brian Hibbert
    
1164.2other busses on kftia had same problemCSC32::KLIMASTue Apr 08 1997 18:1312
    Thanks for the reply.  I thought it might be something like that but
    just wanted clarification.  I did not want to put in too much detail
    but the only other strange thing was the tape drive is on a separate
    dwzza off of a kftia and we could not issue a file command on the
    devices attached to the other dwzza's off the kftia module either.  A
    reboot seems to have fixed it, as I expected, but I don't know what
    would cause the file command to hang on the other buses too.
    
    Thanks again for your previous response.
    
    Doug