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SubjectSCSI-Trouble
-- 

Hi *,

i got really big trouble!

My environment:

Linux 2.0.27,
P133/32MB,
Adaptec AHA2940,
Quantum Atlas XP32150W,
SCSI-Termination correct and verified!
no (E)IDE-Drives nor (E)IDE-support in the kernel,

# fd says:

Filesystem 1024-blocks Used Available Capacity Mounted on
/dev/sda2 62211 26769 32229 45% /
/dev/sda4 1391176 1241029 78257 94% /usr
/dev/sda1 666480 574864 91616 86% /msdos

The problem:

I untarred a big archive (30MB) and deleted a big directory-tree
at the same time -> boom!
It trashed big parts of the filesystem.

syslog:

kernel: scsi0: Target 0 underflow - Wanted at least 98304, got 96256, residual SG count 24.
.
.
.
kernel: EXT2-fs error (device 08:04): ext2_free_blocks: Freeing blocks not in datazone - block = 543975790, count=1


Another problem:

I do a 'ls' on /msdos -> boom!
I had to reset the computer.

syslog:

godot kernel: scsi0: Queue full.
godot kernel: scsi : aborting command due to timeout : pid 3237, scsi0, channel 0, id 0, lun 0 Read (6) 02 ba 75 01 00
godot kernel: aic7xxx: (abort) Aborting scb 1, TCL 0/0/0
godot kernel: scsi : aborting command due to timeout : pid 3238, scsi0, channel 0, id 0, lun 0 Write (6) 15 7e 69 02 00
godot kernel: aic7xxx: (abort) Aborting scb 0, TCL 0/0/0
godot kernel: scsi : aborting command due to timeout : pid 3237, scsi0, channel 0, id 0, lun 0 Read (6) 02 ba 75 01 00
godot kernel: aic7xxx: (abort) Aborting scb 1, TCL 0/0/0
godot kernel: SCSI host 0 abort (pid 3237) timed out - resetting
godot kernel: SCSI bus is being reset for host 0 channel 0.
godot kernel: aic7xxx: (reset) target/channel 0/0
godot kernel: aic7xxx: (abort_reset) scb state 0x1, Data-In phase, SCSISIGI = 0x44
godot kernel: aic7xxx: (abort_scb) asserted ATN - bus device reset in message buffer.
godot kernel: scsi : aborting command due to timeout : pid 3238, scsi0, channel 0, id 0, lun 0 Write (6) 15 7e 69 02 00
godot kernel: aic7xxx: (abort) Aborting scb 0, TCL 0/0/0
godot kernel: SCSI host 0 abort (pid 3238) timed out - resetting
godot kernel: SCSI bus is being reset for host 0 channel 0.
godot kernel: aic7xxx: (reset) target/channel 0/0
godot kernel: aic7xxx: (abort_reset) scb state 0x1, Data-In phase, SCSISIGI = 0x54
godot kernel: aic7xxx: (abort_scb) asserted ATN - bus device reset in message buffer.
godot kernel: SCSI host 0 channel 0 reset (pid 3237) timed out - trying harder
godot kernel: SCSI bus is being reset for host 0 channel 0.
godot kernel: aic7xxx: (reset) target/channel 0/0
godot kernel: aic7xxx: (reset_device) target/channel -1/A, active_scb 1
godot kernel: aic7xxx: (match_scb) comparing target/channel -1/A to scb 0/A
godot kernel: aic7xxx: (reset_device) aborting SCB 1, TCL=0/0/0
godot kernel: aic7xxx: (match_scb) comparing target/channel -1/A to scb 0/A
godot kernel: aic7xxx: (reset_device) aborting SCB 0, TCL=0/0/0
godot kernel: aic7xxx: (match_scb) comparing target/channel -1/A to scb 0/A
godot kernel: aic7xxx: (match_scb) comparing target/channel -1/A to scb 0/A
godot kernel: aic7xxx: (reset_channel) Resetting current channel A
godot kernel: aic7xxx: (reset_channel) Channel reset, sequencer restarted
godot kernel: aic7xxx: (done_aborted_scbs) Aborting scb 0, TCL=0/0/0
godot kernel: aic7xxx: (done_aborted_scbs) Aborting scb 1, TCL=0/0/0
godot kernel: scsi0: Target 0, channel A, now synchronous at 10.0MHz, offset 15.
godot mgetty[267]: init chat failed, exiting...: Interrupted system call
godot kernel: scsi0: Queue full.
godot kernel: scsi0: Queue full.
godot kernel: scsi : aborting command due to timeout : pid 3446, scsi0, channel 0, id 0, lun 0 Read (6) 02 ba e2 01 00
godot kernel: aic7xxx: (abort) Aborting scb 0, TCL 0/0/0
godot kernel: scsi : aborting command due to timeout : pid 3447, scsi0, channel 0, id 0, lun 0 Write (6) 15 7e 8f 02 00
godot kernel: aic7xxx: (abort) Aborting scb 1, TCL 0/0/0
godot kernel: scsi : aborting command due to timeout : pid 3446, scsi0, channel 0, id 0, lun 0 Read (6) 02 ba e2 01 00
godot kernel: aic7xxx: (abort) Aborting scb 0, TCL 0/0/0
godot kernel: SCSI host 0 abort (pid 3446) timed out - resetting
godot kernel: SCSI bus is being reset for host 0 channel 0.
godot kernel: aic7xxx: (reset) target/channel 0/0
godot kernel: aic7xxx: (abort_reset) scb state 0x1, Data-In phase, SCSISIGI = 0x44
godot kernel: aic7xxx: (abort_scb) asserted ATN - bus device reset in message buffer.
godot kernel: scsi : aborting command due to timeout : pid 3447, scsi0, channel 0, id 0, lun 0 Write (6) 15 7e 8f 02 00
godot kernel: aic7xxx: (abort) Aborting scb 1, TCL 0/0/0
godot kernel: SCSI host 0 abort (pid 3447) timed out - resetting
godot kernel: SCSI bus is being reset for host 0 channel 0.
godot kernel: aic7xxx: (reset) target/channel 0/0
godot kernel: aic7xxx: (abort_reset) scb state 0x1, Data-In phase, SCSISIGI = 0x54
godot kernel: aic7xxx: (abort_scb) asserted ATN - bus device reset in message buffer.
godot kernel: SCSI host 0 channel 0 reset (pid 3446) timed out - trying harder
godot kernel: SCSI bus is being reset for host 0 channel 0.
godot kernel: aic7xxx: (reset) target/channel 0/0
godot kernel: aic7xxx: (reset_device) target/channel -1/A, active_scb 0
godot kernel: aic7xxx: (match_scb) comparing target/channel -1/A to scb 0/A
godot kernel: aic7xxx: (reset_device) aborting SCB 0, TCL=0/0/0
godot kernel: aic7xxx: (match_scb) comparing target/channel -1/A to scb 0/A
godot kernel: aic7xxx: (reset_device) aborting SCB 0, TCL=0/0/0
godot kernel: aic7xxx: (match_scb) comparing target/channel -1/A to scb 0/A
godot kernel: aic7xxx: (reset_device) aborting SCB 1, TCL=0/0/0
godot kernel: aic7xxx: (match_scb) comparing target/channel -1/A to scb 0/A
godot kernel: aic7xxx: (match_scb) comparing target/channel -1/A to scb 0/A
godot kernel: aic7xxx: (reset_channel) Resetting current channel A
godot kernel: aic7xxx: (reset_channel) Channel reset, sequencer restarted
godot kernel: aic7xxx: (done_aborted_scbs) Aborting scb 0, TCL=0/0/0
godot kernel: aic7xxx: (done_aborted_scbs) Aborting scb 1, TCL=0/0/0
godot kernel: scsi0: Target 0, channel A, now synchronous at 10.0MHz, offset 15.
godot kernel: scsi0: Queue full.
godot kernel: scsi : aborting command due to timeout : pid 3680, scsi0, channel 0, id 0, lun 0 Read (6) 02 bb 9f 01 00
godot kernel: aic7xxx: (abort) Aborting scb 0, TCL 0/0/0
godot kernel: scsi : aborting command due to timeout : pid 3681, scsi0, channel 0, id 0, lun 0 Write (6) 15 7e 95 02 00
godot kernel: aic7xxx: (abort) Aborting scb 1, TCL 0/0/0
godot kernel: scsi : aborting command due to timeout : pid 3680, scsi0, channel 0, id 0, lun 0 Read (6) 02 bb 9f 01 00
godot kernel: aic7xxx: (abort) Aborting scb 0, TCL 0/0/0
godot kernel: SCSI host 0 abort (pid 3680) timed out - resetting
godot kernel: SCSI bus is being reset for host 0 channel 0.
godot kernel: aic7xxx: (reset) target/channel 0/0
godot kernel: aic7xxx: (abort_reset) scb state 0x1, Data-In phase, SCSISIGI = 0x44
godot kernel: aic7xxx: (abort_scb) asserted ATN - bus device reset in message buffer.
godot kernel: scsi : aborting command due to timeout : pid 3681, scsi0, channel 0, id 0, lun 0 Write (6) 15 7e 95 02 00
godot kernel: aic7xxx: (abort) Aborting scb 1, TCL 0/0/0
godot kernel: SCSI host 0 abort (pid 3681) timed out - resetting
godot kernel: SCSI bus is being reset for host 0 channel 0.
godot kernel: aic7xxx: (reset) target/channel 0/0
godot kernel: aic7xxx: (abort_reset) scb state 0x1, Data-In phase, SCSISIGI = 0x54
godot kernel: aic7xxx: (abort_scb) asserted ATN - bus device reset in message buffer.
godot kernel: SCSI host 0 channel 0 reset (pid 3680) timed out - trying harder
godot kernel: SCSI bus is being reset for host 0 channel 0.
godot kernel: aic7xxx: (reset) target/channel 0/0
godot kernel: aic7xxx: (reset_device) target/channel -1/A, active_scb 0
godot kernel: aic7xxx: (match_scb) comparing target/channel -1/A to scb 0/A
godot mgetty[271]: init chat failed, exiting...: Interrupted system call
godot kernel: aic7xxx: (reset_device) aborting SCB 0, TCL=0/0/0
godot kernel: aic7xxx: (match_scb) comparing target/channel -1/A to scb 0/A
godot kernel: aic7xxx: (reset_device) aborting SCB 1, TCL=0/0/0
godot kernel: aic7xxx: (match_scb) comparing target/channel -1/A to scb 0/A
godot kernel: aic7xxx: (match_scb) comparing target/channel -1/A to scb 0/A
godot kernel: aic7xxx: (reset_channel) Resetting current channel A
godot kernel: aic7xxx: (reset_channel) Channel reset, sequencer restarted
godot kernel: aic7xxx: (done_aborted_scbs) Aborting scb 0, TCL=0/0/0
godot kernel: aic7xxx: (done_aborted_scbs) Aborting scb 1, TCL=0/0/0
godot kernel: scsi0: Target 0, channel A, now synchronous at 10.0MHz, offset 15.


Isn't that funny?? ;-((

Any help appreciated!

Martin
---------------------------------------------------------
Martin Bauer <mab@hamburg.germanlloyd.de>

Buchwaldstr. 53, 22143 Hamburg, Germany
phone/fax: +49-40-67561346/47
---------------------------------------------------------

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