CVS commit: src/sys/dev/pci

[Tohru Nishimura <nisimura%netbsd.org@localhost>]

Module Name:    src
Committed By:   nisimura
Date:           Fri Nov 16 10:31:57 UTC 2007

Modified Files:
        src/sys/dev/pci: if_kse.c

Log Message:
reduce Tx/Rx maximum number of words (as PDF says) in one DMA
transaction to 8.  value 32 triggers occational watchdog() Tx
timeout when higher system load.  This symptom is observed in
ipforwarding across two PCI devices case so far, and it remains
unidentified what really happens for Tx DMA activity.  16 seems
ok, 8 is conservative and heuristic value.  may need more adjustment
work in other parts.


To generate a diff of this commit:
cvs rdiff -r1.10 -r1.11 src/sys/dev/pci/if_kse.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.