simokawa 2007-06-08 00:54:44 UTC
FreeBSD src repository
Modified files:
sys/dev/dcons dcons_crom.c dcons_os.c dcons_os.h
Log:
Poll bus resets on FireWire while kdb/gdb is active.
Now, it's safe to call the fwohci interrupt(polling) routine while ddb/gdb
is active. After this change, a dcons connnection over FireWire can survive
bus resets even in kernel debugger.
This means that it is not too late to plug a FireWire cable after a panic
to investigate the problem.
Actually there is a small window(between a jump to kernel from loader and
initialization of dcons_crom) in which no one can take care of a bus reset.
Except that window, firewire console should keep working
from loader to reboot even with a panic and a bus reset.
(as far as you enable LOADER_FIREWIRE_SUPPORT)
Revision Changes Path
1.8 +14 -0 src/sys/dev/dcons/dcons_crom.c
1.15 +1 -0 src/sys/dev/dcons/dcons_os.c
1.3 +4 -0 src/sys/dev/dcons/dcons_os.h
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