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Problems with AHA-2940A Ultra

daemon@ATHENA.MIT.EDU (David Guerrero)
Thu Jan 9 06:32:42 1997

Date: 	Thu, 9 Jan 1997 12:30:04 +0100 (MET)
From: David Guerrero <david@develnet.es>
To: linux-scsi@vger.rutgers.edu
cc: deang@teleport.com, bugs@redhat.com

Hi everybody!

I'm having problems with scsi timeouts in a AHA-2940A Ultra with a 4mm HP
Tape.

The timeout occurs in backups longer than 2 hours or so...  

I'm using RedHat 4.0 with the kernel found in
ftp.redhat.com/pub/redhat/redhat-4.0/updates/images/i386/scsi  
wich is supposed to be OK for my card...

The message I receive is:

Jan  3 13:22:51 roma kernel: scsi : aborting command due to timeout : pid
172428, scsi0, channel 0, id 6, lun 0 Read (6) 06 ee d5 08 00
Jan  3 13:22:51 roma kernel: aic7xxx: (abort) Aborting scb 1, TCL 6/0/0
Jan  3 13:23:00 roma kernel: scsi : aborting command due to timeout : pid
172429, scsi0, channel 0, id 6, lun 0 Write (6) 05 a3 59 02 00
Jan  3 13:23:00 roma kernel: aic7xxx: (abort) Aborting scb 2, TCL 6/0/0
Jan  3 13:23:06 roma kernel: scsi : aborting command due to timeout : pid
172428, scsi0, channel 0, id 6, lun 0 Read (6) 06 ee d5 08 00
Jan  3 13:23:06 roma kernel: aic7xxx: (abort) Aborting scb 1, TCL 6/0/0
Jan  3 13:23:06 roma kernel: SCSI host 0 abort (pid 172428) timed out -
resetting
Jan  3 13:23:06 roma kernel: SCSI bus is being reset for host 0 channel 0.
Jan  3 13:23:06 roma kernel: aic7xxx: (reset) target/channel 6/0
Jan  3 13:23:06 roma kernel: aic7xxx: (abort_reset) scb state 0x1, Command
phase, SCSISIGI = 0x84
Jan  3 13:23:06 roma kernel: aic7xxx: (abort_scb) asserted ATN - bus
device
reset in message buffer.

Some information about my system:

$ cat /proc/scsi/aic7xxx/0

Adaptec AIC7xxx driver version: 4.0/3.2/4.0

Compile Options:
  AIC7XXX_RESET_DELAY    : 15
  AIC7XXX_TWIN_SUPPORT   : Enabled
  AIC7XXX_TAGGED_QUEUEING: Disabled
  AIC7XXX_PAGE_ENABLE    : Disabled
  AIC7XXX_PROC_STATS     : Disabled

Adapter Configuration:
          SCSI Adapter: AHA-2940A Ultra
                        (AIC-785x chipset)
              Host Bus: Single
               Base IO: 0x6100
                   IRQ: 11
                  SCBs: Used 3, HW 3, Page 3
            Interrupts: 21538
         Serial EEPROM: True
  Extended Translation: Enabled
        SCSI Bus Reset: Enabled
            Ultra SCSI: Disabled
     Target Disconnect: Disabled

An extract of the kernel configuration from RedHat sources is: (the kernel
is supossed to be based in 2.0.27)

#
# SCSI support
#
CONFIG_SCSI=y

#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=m
CONFIG_BLK_DEV_SR=y
CONFIG_CHR_DEV_SG=m

#
# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
#
# CONFIG_SCSI_MULTI_LUN is not set
CONFIG_SCSI_CONSTANTS=y

#
# SCSI low-level drivers
#
CONFIG_SCSI_7000FASST=m
CONFIG_SCSI_AHA152X=m
CONFIG_SCSI_AHA1542=m
CONFIG_SCSI_AHA1740=m
CONFIG_SCSI_AIC7XXX=y
CONFIG_SCSI_ADVANSYS=m
CONFIG_SCSI_IN2000=m
# CONFIG_SCSI_AM53C974 is not set
CONFIG_SCSI_BUSLOGIC=m
CONFIG_SCSI_DTC3280=m
CONFIG_SCSI_EATA=m
CONFIG_SCSI_EATA_DMA=m
CONFIG_SCSI_EATA_PIO=m
CONFIG_SCSI_FUTURE_DOMAIN=m
CONFIG_SCSI_GENERIC_NCR5380=m
# CONFIG_SCSI_GENERIC_NCR53C400 is not set
CONFIG_SCSI_G_NCR5380_PORT=y
CONFIG_SCSI_NCR53C406A=m
CONFIG_SCSI_NCR53C7xx=m
# CONFIG_SCSI_NCR53C7xx_sync is not set
# CONFIG_SCSI_NCR53C7xx_FAST is not set
# CONFIG_SCSI_NCR53C7xx_DISCONNECT is not set
CONFIG_SCSI_NCR53C8XX=m
# CONFIG_SCSI_NCR53C8XX_TAGGED_QUEUE is not set
# CONFIG_SCSI_NCR53C8XX_IOMAPPED is not set
# CONFIG_SCSI_NCR53C8XX_NO_DISCONNECT is not set
# CONFIG_SCSI_NCR53C8XX_FORCE_ASYNCHRONOUS is not set
# CONFIG_SCSI_NCR53C8XX_FORCE_SYNC_NEGO is not set
CONFIG_SCSI_PPA=m
CONFIG_SCSI_PAS16=m
CONFIG_SCSI_QLOGIC_FAS=m
CONFIG_SCSI_QLOGIC_ISP=m
CONFIG_SCSI_SEAGATE=m
CONFIG_SCSI_T128=m
CONFIG_SCSI_U14_34F=m
CONFIG_SCSI_ULTRASTOR=m

Any help would be great....

Thanks a lot...

----------------< LINUX: The choice of a GNU generation >-----------------
David Guerrero                                   E-mail: david@develnet.es
System Manager                                     http://www.develnet.es
Develnet. Servicios de acceso a Internet.            Telf: 91-5629300


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