From owner-freebsd-current  Sun Apr 30  2:45: 9 2000
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Date: Sun, 30 Apr 2000 11:18:29 +0200 (CEST)
From: Leif Neland <leifn@neland.dk>
To: freebsd-current@freebsd.org
Subject: panic at boot (bus_generic_probe) with 2 printers ENABLED
Message-ID: <Pine.BSF.4.05.10004301107510.3235-100000@arnold.neland.dk>
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In a freshly cvsup'ed current, I get a panic at boot, if both ports are
enabled in userconfig.
If only one or the other is enabled, it works.

I have narrowed it down to it panics the second time ppbconf calls
bus_generic_probe:

trap 12: page fault while in kernel mode

bus_generic_probe+0x25: cmpl $0xc02a502c,0(%ebx)
ebx is 0xe0

My config is:
machine		i386
cpu		I586_CPU
ident		ARNOLD
maxusers	32
makeoptions	DEBUG=-g		#Build kernel with gdb(1) debug symbols
options		INET			#InterNETworking
options		INET6
options		FFS			#Berkeley Fast Filesystem
options		FFS_ROOT		#FFS usable as root device [keep this!]
options		NFS			#Network Filesystem
options		MSDOSFS			#MSDOS Filesystem
options		CD9660			#ISO 9660 Filesystem
options		PROCFS			#Process filesystem
options		COMPAT_43		#Compatible with BSD 4.3 [KEEP THIS!]
options		SCSI_DELAY=5000		#Be pessimistic about Joe SCSI device
options		UCONSOLE		#Allow users to grab the console
options		USERCONFIG		#boot -c editor
options		VISUAL_USERCONFIG	#visual boot -c editor
options		DDB
device		isa
device		eisa
device		pci
options 	COMPAT_OLDPCI		# Old PCI driver shims
device		ncr0
device		scbus0
device		da0	#Only need one of these, the code dynamically grows
device		pass0
device		cd0
device		atkbdc0	at isa? port IO_KBD
device		atkbd0	at atkbdc? irq 1
device		psm0	at atkbdc? irq 12
device		vga0	at isa? port ?
pseudo-device	splash
device		sc0	at isa?
device		npx0	at nexus? port IO_NPX irq 13
device		apm0    at nexus? disable flags 0x31 # Advanced Power Management
device		sio0	at isa? port IO_COM1 flags 0x10 irq 4
device		sio1	at isa? port IO_COM2 irq 3
device		ppc0	at isa? 
device		ppbus
device		lpt	
device		ppi	
device		ppc1	at isa?  irq 5
device ed0 at isa? port 0x340 irq 10 iomem 0xd8000
pseudo-device	loop
pseudo-device	speaker
pseudo-device	ether
pseudo-device	sl	1
pseudo-device	ppp	1
pseudo-device	tun	2
pseudo-device	pty	16
pseudo-device	gzip		# Exec gzipped a.out's
options		KTRACE		#kernel tracing
options         SYSVSHM
options         SYSVMSG
options         SYSVSEM
pseudo-device	bpf 4	#Berkeley packet filter
device pca0 at isa? port IO_TIMER1
options		SOFTUPDATES
pseudo-device	sppp
pseudo-device	"i4bq921"
pseudo-device	"i4bq931"
pseudo-device	"i4b"
pseudo-device   "i4btrc"	2
pseudo-device   "i4bctl"
pseudo-device   "i4brbch"       4
pseudo-device   "i4btel"        2
pseudo-device   "i4bipr"	4
options 	IPR_VJ
pseudo-device	"i4bisppp"	4
options DRN_NGO
device isic0




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