Date: Thu, 4 Apr 1996 21:27:26 +0200 (MET DST) From: root@deadline.snafu.de (Andreas S. Wetzel) To: nate@sri.MT.net (Nate Williams) Cc: jgreco@brasil.moneng.mei.com, current@freebsd.org Subject: Re: tty-level buffer overflows - what to do? Message-ID: <m0u4ugp-000A0mC@deadline.snafu.de> In-Reply-To: <199604041914.MAA17253@rocky.sri.MT.net> from Nate Williams at "Apr 4, 96 12:14:09 pm"
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Hi!
---
Nate Williams writes:
] > But another problem is still going on on that machine. During boot there
] > are several occurences of "stray irq 7" messages until syslog says it would
] > not log them anymore. I have no idea where this stray irq's should happen.
] > Physically there is no adaptor card installed which could ever generate a
] > IRQ 7 ? Possible that this has to do with the other thing?
]
] This is a pretty good indication that something is mis-confugred. IRQ 7
] is the 'junk' interrupt, which means it gets all of the interrupts not
] otherwise assigned to a particular piece of hardware. Something is
] generating interrupts on your system bogusly and you need to find out
] what.
That means the interrupt that happens is not guaranteed to be IRQ 7 but
maybe any other unassigned interrupt?
The only cards I have installed in this machine are the following:
IDE/FDC controller card (without any other ports etc)
Multi I/O card with COM1 COM2 LPT(completely disabled including IRQ) and
Gameport (also disabled)
Dual I/O card with COM3 and COM4
standard ET4000 video board
Ethernet adaptor (ISA 16 bit software configurable)
----
The kernel seems to find all those devices:
FreeBSD 2.2-CURRENT #2: Mon Mar 25 15:46:17 MET 1996
root@deadline.snafu.de:/usr/src/sys/compile/CENOTAPH
CPU: i486DX (486-class CPU)
real memory = 4456448 (4352K bytes)
avail memory = 3133440 (3060K bytes)
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA mono <4 virtual consoles, flags=0x0>
ed0 at 0x300-0x31f irq 12 on isa
ed0: address 08:00:00:19:08:36, type NE2000 (16 bit)
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16450
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
sio2 at 0x3e8-0x3ef irq 9 on isa
sio2: type 16550A
sio3 at 0x2e8-0x2ef irq 5 on isa
sio3: type 16550A
lpt0 not found at 0x278
wdc0 at 0x1f0-0x1f7 irq 14 flags 0x80ff80ff on isa
wdc0: unit 0 (wd0): <Conner Peripherals 210MB - CP30204>, multi-block-64
wd0: 202MB (415264 sectors), 683 cyls, 16 heads, 38 S/T, 512 B/S
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: NEC 765
fd0: 1.44MB 3.5in
stray irq 7
stray irq 7
stray irq 7
stray irq 7
stray irq 7
too many stray irq 7's; not logging any more
That's what it goes like. Any Ideas?
Regards, mickey
--
(__)
(@@) Andreas S. Wetzel E-mail: mickey@deadline.snafu.de
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