[ale] [Fwd: NCR rel 17 panic]

andy dread at atlcom.net
Sun Apr 28 16:21:57 EDT 1996


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Date: Thu, 25 Apr 1996 20:33:50 +0200 (MET DST)
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 From: Karsten Weiss <karsten at addx.tynet.sub.org>
To: ncr53c810 at Colorado.EDU
Subject: NCR rel 17 panic
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Hi!

Today I got the following kernel messages (running 1.3.95) while
extracting an tar.gz file on one of my harddisks:

Apr 25 16:10:28 addx kernel: scsi0 : WARNING : INTFLY with no completed commands.
Apr 25 16:10:43 addx kernel: scsi : aborting command due to timeout : pid 8866, scsi0, channel 0, id 1, lun 0 Read (6) 09 dd c2 04 00 
Apr 25 16:10:43 addx kernel: scsi0 : DANGER : command running, can not abort.
Apr 25 16:10:43 addx kernel: scsi : aborting command due to timeout : pid 8867, scsi0, channel 0, id 1, lun 0 Read (6) 09 df 14 26 00 
Apr 25 16:10:43 addx kernel: scsi0 : found command 8867 in Linux issue queue
Apr 25 16:10:43 addx kernel: scsi : aborting command due to timeout : pid 8868, scsi0, channel 0, id 1, lun 0 Read (6) 0a 4f 5e 36 00 
Apr 25 16:10:43 addx kernel: scsi0 : found command 8868 in Linux issue queue
Apr 25 16:10:59 addx kernel: scsi : aborting command due to timeout : pid 8866, scsi0, channel 0, id 1, lun 0 Read (6) 09 dd c2 04 00 
Apr 25 16:10:59 addx kernel: scsi0 : DANGER : command running, can not abort.
Apr 25 16:10:59 addx kernel: SCSI host 0 abort (pid 8866) timed out - resetting
Apr 25 16:10:59 addx kernel: SCSI bus is being reset for host 0.
Apr 25 16:10:59 addx kernel: scsi0 : DCMD|DBC=0x50000000, DNAD=0x88c5c (virt 0x00088c5c)
Apr 25 16:10:59 addx kernel:          DSA=0xdbc1e8 (virt 0x00dbc1e8)
Apr 25 16:10:59 addx kernel:          DSPS=0x88d6c, TEMP=0x888ec (virt 0x000888ec), DMODE=0x88
Apr 25 16:10:59 addx kernel:          SXFER=0x88, SCNTL3=0x13
Apr 25 16:10:59 addx kernel:          phase=MSGIN, 0 bytes in SCSI FIFO
Apr 25 16:10:59 addx kernel:          STEST0=0x6
Apr 25 16:10:59 addx kernel: scsi0 : DSP 0x88c54 (virt 0x00088c54) ->
Apr 25 16:10:59 addx kernel: 0x88c54 (virt 0x00088c54) : 0x50000000 0x00088d6c (virt 0x00088d6c)
Apr 25 16:10:59 addx kernel: 0x88c5c (virt 0x00088c5c) : 0x60000200 0x00000000 (virt 0x00000000)
Apr 25 16:11:00 addx kernel: 0x88c64 (virt 0x00088c64) : 0x78388800 0x00000000 (virt 0x00000000)
Apr 25 16:11:00 addx kernel: 0x88c6c (virt 0x00088c6c) : 0x0f000001 0x000885d8 (virt 0x000885d8)
Apr 25 16:11:00 addx kernel: 0x88c74 (virt 0x00088c74) : 0x78389800 0x00000000 (virt 0x00000000)
Apr 25 16:11:00 addx kernel: 0x88c7c (virt 0x00088c7c) : 0xc0000004 0x000885d4 (virt 0x000885d4) 0x0000e834 (virt 0x0000e834)
Apr 25 16:11:00 addx kernel: scsi0 : issue queue
Apr 25 16:11:00 addx kernel: scsi0 : dsa at phys 0xdbe080 (virt 0x00dbe080)
Apr 25 16:11:00 addx kernel:         + 64 : dsa_msgout length = 558564, data = 0x0 (virt 0x00000000)
Apr 25 16:11:00 addx kernel:         + 60 : select_indirect = 0xc0000004
Apr 25 16:11:00 addx kernel:         + 56 : dsa_cmnd = 0x0 
Apr 25 16:11:00 addx kernel:         + 48 : dsa_next = 0x0
Apr 25 16:11:00 addx kernel: scsi0 : dsa at phys 0xdb4080 (virt 0x00db4080)
Apr 25 16:11:00 addx kernel:         + 64 : dsa_msgout length = 558564, data = 0x0 (virt 0x00000000)
Apr 25 16:11:00 addx kernel:         + 60 : select_indirect = 0xc0000004
Apr 25 16:11:00 addx kernel:         + 56 : dsa_cmnd = 0x0 
Apr 25 16:11:00 addx kernel:         + 48 : dsa_next = 0x0
Apr 25 16:11:00 addx kernel: scsi0 : schedule dsa array :
Apr 25 16:11:00 addx kernel: scsi0 : end schedule dsa array
Apr 25 16:11:00 addx kernel: scsi0 : reconnect_dsa_head :
Apr 25 16:11:00 addx kernel: scsi0 : end reconnect_dsa_head
Apr 25 16:11:00 addx kernel: The sti() implicit in a printk() prevents hangs
Apr 25 16:11:00 addx kernel: scsi : aborting command due to timeout : pid 8867, scsi0, channel 0, id 1, lun 0 Read (6) 09 df 14 26 00 
Apr 25 16:11:03 addx syslogd: exiting on signal 15

Here's my SCSI configuration:

: scsi-ncr53c7,8xx : at PCI bus 0, device 1,  function 0
: scsi-ncr53c7,8xx : NCR53c810 at memory 0xfbfef000, io 0xe800, irq 12
: scsi0 : burst length 8
: scsi0 : reset ccf to 3 from 0
: NCR code relocated to 0x88600 (virt 0x00088600)
: scsi0 : test 1 started
: scsi0 : NCR53c{7,8}xx (rel 17)
: scsi : 1 host.
: scsi0 : target 0 accepting period 200ns offset 8 5.00MHz synchronous SCSI
: scsi0 : setting target 0 to period 200ns offset 8 5.00MHz synchronous SCSI
:   Vendor: IBM OEM   Model: 0662S12           Rev: 3 30
:   Type:   Direct-Access                      ANSI SCSI revision: 02
: Detected scsi disk sda at scsi0, channel 0, id 0, lun 0
: scsi0 : target 1 accepting period 200ns offset 8 5.00MHz synchronous SCSI
: scsi0 : setting target 1 to period 200ns offset 8 5.00MHz synchronous SCSI
:   Vendor: IBM       Model: DPES-31080        Rev: S31K
:   Type:   Direct-Access                      ANSI SCSI revision: 02
: Detected scsi disk sdb at scsi0, channel 0, id 1, lun 0
: scsi0 : target 2 accepting period 248ns offset 8 4.03MHz synchronous SCSI
: scsi0 : setting target 2 to period 248ns offset 8 4.03MHz synchronous SCSI
:   Vendor: SONY      Model: CD-ROM CDU-8003A  Rev: 1.9a
:   Type:   CD-ROM                             ANSI SCSI revision: 02
: Detected scsi CD-ROM sr0 at scsi0, channel 0, id 2, lun 0
: scsi0 : target 4 accepting period 200ns offset 8 5.00MHz synchronous SCSI
: scsi0 : setting target 4 to period 200ns offset 8 5.00MHz synchronous SCSI
:   Vendor: HP        Model: HP35480A          Rev: 1009
:   Type:   Sequential-Access                  ANSI SCSI revision: 02
: Detected scsi tape st0 at scsi0, channel 0, id 4, lun 0
: scsi : detected 1 SCSI tape 1 SCSI cdrom 2 SCSI disks total.
: SCSI device sda: hdwr sector= 512 bytes. Sectors= 2055035 [1003 MB] [1.0 GB]
: SCSI device sdb: hdwr sector= 512 bytes. Sectors= 2118144 [1034 MB] [1.0 GB]

My computer is a 486/100 on an ASUS SP3G motherboard.

I had the following kernel options enabled:

CONFIG_SCSI_NCR53C7xx=y
CONFIG_SCSI_NCR53C7xx_sync=y
CONFIG_SCSI_NCR53C7xx_DISCONNECT=y

(BTW: Somebody who knows exactly should write an help text for
the DISCONNECT option for the kernel Configure.help file.)

Does anyone have an explantion? I've been running my system for a very
long time now with kernel 1.2.13 and had no problems at all. After
upgrading to 1.3.9x from some reasons I already got this error
twice (the first time I was making a system backup to my DAT drive
when it happened. This was on kernel 1.3.94 I believe).

Feel free to contact be if you need some more information to track down
the bug.

Take care,
      Karsten

A small notes at the end:

- There is a compiler warning in the file drivers/scsi/hosts.c in line
  235 when I compile the latest kernels. It has someting to do with
  the NCR driver. The (harmless?) warning says:

		"warning: initialization from incompatible pointer type"

  This should be fixed before 2.0.

- Wouldn't it be a good idea to display the above syslog output which
  contains additional information about the SCSI devices in  
  /proc/scsi/scsi instead of the current output?

Karsten Weiss
-
UUCP:     karsten at addx.tynet.sub.org
FIDONET:  2:246/1416.37
GERNET:   21:492/1616.37
STUDBOX:  knweiss at studbox.uni-stuttgart.de
INTERNET: knweiss at trick.informatik.uni-stuttgart.de


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