Date: Tue, 27 Jun 2000 18:02:26 -0400 (EDT) From: David Gilbert <dgilbert@velocet.ca> To: freebsd-stable@freebsd.org Subject: panic with 20 ethernet interfaces reproducable. Message-ID: <14681.9330.448264.560959@trooper.velocet.net>
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With FreeBSD-stable (4.0-STABLE, this week's), I can reliably panic a
machine with 20 dc ethernet interfaces by typing 'ifconfig -a'
Here's some output. How do I find the actual culprit of the first
panic? (Captured from a serial console)
dc14: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
ether 00:80:c8:ca:1d:0f
media: autoselect (none) status: no carrier
supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP none
dc15: flags=8802<BROADCAST,SIMPLEX,MULTICA
Fatal double fault:
eip = 0xc0210319
esp = 0xca09ff88
ebp = 0xca0a001c
panic: double fault
Debugger("panic")
ST> mtu 1500
S ether 00:8t0:c8:ca:1d:10
o media: aputoselect (none)p status: no carreier
supdported media: au toselect 100baseaTX <full-duplex>t 100baseTX 10bas eT/UTP <full-dup lex> 10baseT/UTP none
dc16: fla gs=8802<BROADCAS T,SIMPLEX,MULTIC AST> mtu 1500
bD ether 00:e80:c8:c9:70:59
media: uautoselect (noneg) status: no cargrier
suepported media: arutoselect 100bas+eTX <full-duplex0> 100baseTX 10baxseT/UTP <full-du35: movb $0,in_Debugger.390
db> bt
No such command
db> trace
Debugger(c025baa3) at Debugger+0x35
panic(c0281983,c0281f30,ca0a001c,c0281f24,ca09ff88) at panic+0x70
dblfault_handler(1c00,0,0,0,0) at dblfault_handler+0x47
db> ?
Bad character
?
db> help
print p examine x search set write
w delete d break dwatch watch step
s continue c until next match trace
call show ps gdb panic
db>
Dave.
--
============================================================================
|David Gilbert, Velocet Communications. | Two things can only be |
|Mail: dgilbert@velocet.net | equal if and only if they |
|http://www.velocet.net/~dgilbert | are precisely opposite. |
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