Tape Driver User's Guide
Troubleshooting
M8501 and M8502 ACL Tape Drive Installation and User’s Guide—529972-001
6-12
Fault Symptom Codes (FSCs)
SMX send error  A001 C, G An attempt to place a message on a 
task’s exchange generated a kernel error.
SMX receive error A002 C, G An attempt to receive a message from a 
task’s exchange generated a kernel error.
Comm free list empty A003 C, G An attempt to acquire a message from the 
free pool failed because the pool is empty.
Invalid comm. put 
attempt
A004 C, G An attempt to place a message on a 
task’s exchange failed because either the 
argument message pointer was NULL or 
the argument exchange pointer was 
NULL.
Invalid comm. get 
attempt
A005 C, G An attempt to receive a message from a 
task’s exchange failed because the 
argument exchange pointer was NULL.
Comm initialization 
error
A006 C, G The Comm manager could not be 
initialized at power-up because the 
system is out of memory.
Put of a NULL comm. A007 C, G An attempt to place a Comm block on a 
task’s exchange failed the argument 
Comm block pointer was NULL.
Msg contains no 
comm.
A008 C, G A message obtained from the free pool 
did not contain a Comm block.
Comm return address 
in unknown 
A009 C, G An attempt to return a command 
response to the originating task failed 
because the originator could not be 
determined.
Bad Image CRC F001 F The uploaded firmware image has a bad 
CRC and is probably corrupted.
Flash erase sector 
failed
F002 F One of the flash memory sectors could 
not be programmed.
Flash program sector 
failed
F003 C, G One of the flash memory sectors could 
not be erased.
Bad flash CRC F004 C, G The firmware image programmed into 
flash memory has a bad CRC and is 
probably corrupted.
Flash exit error F005 C, G Internal flash task error.
Incompatible image F006 F The uploaded firmware image is not 
compatible with the ACL hardware, 
possibly an older firmware version.
Buffer allocation failed F402 F The flash task could not allocate a buffer 
area to hold the firmware image to be 
uploaded.
Table 6-2. Fault Symptom Codes
Message FSC ERP










