FreeBSD -STABLE servers repeatedly crashing.

[Blaz Zupan]

On Wed, 6 Jul 2005, Kris Kennaway wrote:
> Interesting, this seems to finger the TCP code.  Are you compiling
> your kernel with -O2 though (this causes bogus stack frames like you
> have here)?  If so, recompile with -O and try to obtain another trace.

Nope, no funky compile options, all at the default. The only "weird" thing I'm 
doing is that the world is built on a 4.11 box and is shared between all our 
boxes, so that we don't need to compile multiple times. The kernel config is 
here:

machine		i386
cpu		I686_CPU
ident		DL380
options 	SCHED_4BSD		# 4BSD scheduler
options 	INET			# InterNETworking
options 	INET6			# IPv6 communications protocols
options 	FFS			# Berkeley Fast Filesystem
options 	SOFTUPDATES		# Enable FFS soft updates support
options 	UFS_ACL			# Support for access control lists
options 	UFS_DIRHASH		# Improve performance on big directories
options 	MD_ROOT			# MD is a potential root device
options 	GEOM_GPT		# GUID Partition Tables.
options 	COMPAT_43		# Compatible with BSD 4.3 [KEEP THIS!]
options 	COMPAT_FREEBSD4		# Compatible with FreeBSD4
options 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
options 	KTRACE			# ktrace(1) support
options 	SYSVSHM			# SYSV-style shared memory
options 	SYSVMSG			# SYSV-style message queues
options 	SYSVSEM			# SYSV-style semaphores
options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
options 	ADAPTIVE_GIANT		# Giant mutex is adaptive.
options		NMBCLUSTERS=12000
options		IPFILTER
options		IPFILTER_LOG
options		SMP
options		INCLUDE_CONFIG_FILE
options		KDB_STOP_NMI
options		KDB
options		DDB
makeoptions	DEBUG=-g		#Build kernel with gdb(1) debug symbols
device		apic			# I/O APIC
device		isa
device		eisa
device		pci
device		fdc
device		ata
device		atapicd		# ATAPI CDROM drives
options 	ATA_STATIC_ID	# Static device numbering
device		scbus		# SCSI bus (required for SCSI)
device		da		# Direct Access (disks)
device		ciss		# Compaq Smart RAID 5*
device		atkbdc		# AT keyboard controller
device		atkbd		# AT keyboard
device		psm		# PS/2 mouse
device		vga		# VGA video card driver
device		sc
device		agp		# support several AGP chipsets
device		npx
device		pmtimer
device		sio		# 8250, 16[45]50 based serial ports
device		miibus		# MII bus support
device		bge		# Broadcom BCM570xx Gigabit Ethernet
device		loop		# Network loopback
device		mem		# Memory and kernel memory devices
device		io		# I/O device
device		random		# Entropy device
device		ether		# Ethernet support
device		pty		# Pseudo-ttys (telnet etc)
device		md		# Memory "disks"
device		bpf		# Berkeley packet filter
device		ohci		# OHCI PCI->USB interface
device		usb		# USB Bus (required)
device		ukbd		# Keyboard
device		ums		# Mouse