scsi tape broken in 2.1.89 (NON SMP) ?

Dietmar Kling (s_dkling@student.uni-ulm.de)
Tue, 10 Mar 1998 12:19:22 +0100


Hello
this my first time that i did a tape backup since 3 years
I didn't read any manuals and i hope i used the right syntax.... :)

But even if did something wrong

--> After the error the tape drive is lost until reboot

Seems to be broken, or i did something really bad... :)

Regards
Dietmar

P.S. Workes fine under 2.0.29..

minitiger:~ # cat /proc/version
Linux version 2.1.89 (root@minitiger.bellenberg.de) (gcc version 2.7.2.3) #3 Sat Mar 07 16:26:47 MET 1998
minitiger:~ # # non SMP
minitiger:~ # cd /usr/src/
minitiger:/usr/src # insmod st
minitiger:/usr/src # lsmod -V
Module Size Used by
st 22040 0 (unused)
ip_masq_vdolive 2744 0 (unused)
ip_masq_raudio 4064 0 (unused)
ip_masq_cuseeme 1024 0 (unused)
ip_masq_irc 1920 0 (unused)
ip_masq_ftp 2972 0 (unused)
hisax 73740 1
isdn 69692 7 [hisax]
minitiger:/usr/src # insmod -V
insmod version 2.1.85
minitiger:/usr/src # tar cf /dev/st0 samba-1.9.18p3.tar.gz
minitiger:/usr/src # tar tvf /dev/st0
-rw-r--r-- root/root 1233004 Feb 21 21:43 1998 samba-1.9.18p3.tar.gz
tar: Read error on /dev/st0: I/O error
tar: Read error on /dev/st0: No such device or address
tar: Read error on /dev/st0: No such device or address
tar: Read error on /dev/st0: No such device or address
tar: Read error on /dev/st0: No such device or address
tar: Read error on /dev/st0: No such device or address
tar: Read error on /dev/st0: No such device or address
tar: Read error on /dev/st0: No such device or address
tar: Read error on /dev/st0: No such device or address
tar: Read error on /dev/st0: No such device or address
tar: Read error on /dev/st0: No such device or address
tar: Read error on /dev/st0: No such device or address
tar: Too many errors, quitting
minitiger:/usr/src # tar tvf /dev/st0
tar: Cannot open /dev/st0: No such device or address

#
# At this point the drive is lost no chance to get it back to work
#

minitiger:/usr/src # rmmod st
minitiger:/usr/src # insmod st
minitiger:/usr/src # tar tvf /dev/st0
tar: Cannot open /dev/st0: No such device or address
minitiger:/usr/src # tail -10 /var/log/messages
Mar 10 11:56:45 minitiger kernel: Detected scsi tape st0 at scsi0, channel 0, id 5, lun 0
Mar 10 11:56:45 minitiger kernel: st: bufsize 32768, wrt 30720, max buffers 4.
Mar 10 11:58:13 minitiger kernel: aha1542.c: Trying device reset for target 5
Mar 10 11:58:30 minitiger kernel: HACC aha1542.c: interrupt received, but no mail.
Mar 10 11:58:30 minitiger kernel: Sent BUS RESET to scsi host 0
Mar 10 11:58:40 minitiger kernel: st0: Error with sense data: extra data not valid Current error st09:00: sense key Unit
Attention
Mar 10 11:58:40 minitiger kernel: Additional sense indicates Power on, reset, or bus device reset occurred
Mar 10 11:59:15 minitiger kernel: st: Unloaded.
Mar 10 11:59:18 minitiger kernel: Detected scsi tape st0 at scsi0, channel 0, id 5, lun 0
Mar 10 11:59:18 minitiger kernel: st: bufsize 32768, wrt 30720, max buffers 4.
minitiger:/usr/src # tar cf /dev/st0 samba-1.9.18p3.tar.gz
tar (child): Cannot open archive /dev/st0: No such device or address
Broken pipe
minitiger:/usr/src #
# At this point you can do anything but you won't get back tape to work

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