Advanced Communications Controller B.03.30 Release Notes (December 2000)

ACC Release N otes
Patches and Fixes for this Version
Chapter 110
• JAGad21743
Symptoms: During high load activity on the Z7200A OR Z7400A ACC cards, such as X.25
call establis hment and clearing on all port, the port may be unable to accept further
transmit requests. The a ffected port is not usable until the ACC card is restarted.
In the case of X.25 call e stablishment, t h e user a pplication may encounter the error return
ENOSPC.
Defect/Fix: The transmit processing for the affected port was stalled, because the firmware
was in an inconsistent state. T wo problems in the l ow level state processing of the frame
protocol have been identified and removed. A workaround has been implemented for an
inconsistent state where the transmit timer was not running, but the transmitter was
active. Additional protection has also been added to interrupt critical state processing.
• JAGad25064
Symptoms: ACC 8 port PCI was sending 1 byte data packet.
Defect/Fix: The default SAM values for N2Z_OUTB_BUFFER_SZ and
N2Z_MAX_ZSTRBUF_PGS were incorrect and have been modified.