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Date:      Thu, 4 Oct 2007 23:08:04 +0400
From:      "Artem Kuchin" <matrix@itlegion.ru>
To:        <freebsd-stable@freebsd.org>
Subject:   Re: Panic with RELENG_6_2 on DELL PE 4600 with PAE
Message-ID:  <004001c806b9$e55d42f0$0c00a8c0@Artem>
References:  <47039CB4.5040306@seclark.us>	<4703C245.9000104@mac.com><4703C4FB.4030809@seclark.us>	<4703C687.2010201@mac.com><4703D5B6.4070003@seclark.us>	<fe0lhg$t21$1@sea.gmane.org><4704E87D.4020608@seclark.us>	<b41c75520710040625ne39c96co39f07d4d166468d0@mail.gmail.com> <001701c80690$029c15a0$0c00a8c0@Artem> <470511CE.5080007@seclark.us>

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Stephen Clark wrote:
> Artem Kuchin wrote:
> 
>> Claus Guttesen wrote:
>> 
>> 
>>>>>> Why would there be no space when I have 24GB of memory?
>>>>>> 
>>>>>> 
>>>>> 1. Any process, including the kernel can only allocate up to 4 GB
>>>>> of memory on a 32-bit system (since a 32-bit integer can only
>>>>> hold that many values)
>>>>> 2. The kernel is further constrained so the user programs can get
>>>>> enough memory
>>>>> 3. Kernel structures for tracking and using memory are also stored
>>>>> in kernel memory. 24 GB of memory with PAE probably "eats up" a
>>>>> lot of those. I think you'll need to increase kmem_size (see
>>>>> http://wiki.freebsd.org/ZFSTuningGuide for an example - ignore
>>>>> ZFS-specific things).
>>>>> 
>>>>> 
>>>> It made no difference. Still the same error.
>>>> 
>>>> Is anyone actually using PAE with FreeBSD 6.2? I have found
>>>> practically no information using
>>>> google.
>>>> 
>>>> 
>> 
>> We are using it on very heavy loaded production web server. 8GB of
>> ram, dual xeon with HT. FreebSD 6-STABLE. about 900 process running
>> constantly in  about 20 jails. No problems detected :)
>> 
>> Planning to migrate to 7-CURRENT AMD64 within a month.
>> 
> Hi Artem,
> 
> Could you send me your kernel config file? I have tried the standard
> PAE config file with
> no luck.

I'd be glad to do so, but when i send email to you i get
<Stephen.Clark@seclark.us>:
64.202.166.12 does not like recipient.
Remote host said: 553 Dynamic pool 84.21.226.46. <http://unblock.secureserver.net/?ip=84.21.226.*>;
Giving up on 64.202.166.12.

I have visited the link and  made a request to unblock our smtp server but it hasn;t been done
yet.
So, i send it to stable list with attachments :)

--
Artem
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Content-Type: application/octet-stream;
	name="OMNI2-PAE"
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Content-Disposition: attachment;
	filename="OMNI2-PAE"

include OMNI2=0A=
=0A=
ident		PAE-OMNI2=0A=
=0A=
options		PAE			# Physical Address Extensions Kernel=0A=
=0A=
device		acpi=0A=
=0A=
makeoptions	NO_MODULES=3Dyes=0A=
=0A=

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Content-Type: application/octet-stream;
	name="OMNI2"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: attachment;
	filename="OMNI2"

machine		i386=0A=
cpu		I586_CPU=0A=
cpu		I686_CPU=0A=
ident		OMNI2=0A=
=0A=
options		SMP=0A=
=0A=
options 	QUOTA=0A=
=0A=
options 	SCHED_4BSD		# 4BSD scheduler=0A=
options 	INET			# InterNETworking=0A=
options 	INET6			# IPv6 communications protocols=0A=
options 	FFS			# Berkeley Fast Filesystem=0A=
options 	SOFTUPDATES		# Enable FFS soft updates support=0A=
options 	UFS_ACL			# Support for access control lists=0A=
options 	UFS_DIRHASH		# Improve performance on big directories=0A=
#options 	MD_ROOT			# MD is a potential root device=0A=
#options 	NFSCLIENT		# Network Filesystem Client=0A=
#options 	NFSSERVER		# Network Filesystem Server=0A=
#options 	NFS_ROOT		# NFS usable as /, requires NFSCLIENT=0A=
options 	MSDOSFS			# MSDOS Filesystem=0A=
options 	NULLFS=0A=
options 	CD9660			# ISO 9660 Filesystem=0A=
options 	PROCFS			# Process filesystem (requires PSEUDOFS)=0A=
options 	PSEUDOFS		# Pseudo-filesystem framework=0A=
options 	GEOM_GPT		# GUID Partition Tables.=0A=
options 	COMPAT_43		# Compatible with BSD 4.3 [KEEP THIS!]=0A=
#options 	COMPAT_FREEBSD4		# Compatible with FreeBSD4=0A=
option 		COMPAT_FREEBSD5=0A=
#options 	SCSI_DELAY=3D15000	# Delay (in ms) before probing SCSI=0A=
options 	KTRACE			# ktrace(1) support=0A=
options 	SYSVSHM			# SYSV-style shared memory=0A=
options 	SYSVMSG			# SYSV-style message queues=0A=
options 	SYSVSEM			# SYSV-style semaphores=0A=
options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time =
extensions=0A=
#options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev=0A=
=0A=
device		apic		# I/O APIC=0A=
=0A=
# Bus support.  Do not remove isa, even if you have no isa slots=0A=
device		isa=0A=
device		pci=0A=
=0A=
# Floppy drives=0A=
device		fdc=0A=
=0A=
# ATA and ATAPI devices=0A=
device		ata=0A=
device		atadisk		# ATA disk drives=0A=
device		ataraid		# ATA RAID drives=0A=
device		atapicd		# ATAPI CDROM drives=0A=
#device		atapifd		# ATAPI floppy drives=0A=
#device		atapist		# ATAPI tape drives=0A=
options 	ATA_STATIC_ID	# Static device numbering=0A=
=0A=
# SCSI peripherals=0A=
device		scbus		# SCSI bus (required for SCSI)=0A=
device		da		# Direct Access (disks)=0A=
device		pass		# Passthrough device (direct SCSI access)=0A=
device		twe		# 3ware ATA RAID=0A=
=0A=
# atkbdc0 controls both the keyboard and the PS/2 mouse=0A=
device		atkbdc		# AT keyboard controller=0A=
device		atkbd		# AT keyboard=0A=
device		psm		# PS/2 mouse=0A=
=0A=
device		vga		# VGA video card driver=0A=
=0A=
device		splash		# Splash screen and screen saver support=0A=
=0A=
# syscons is the default console driver, resembling an SCO console=0A=
device		sc=0A=
=0A=
device		agp		# support several AGP chipsets=0A=
=0A=
# Floating point support - do not disable.=0A=
device		npx=0A=
=0A=
# Power management support (see NOTES for more options)=0A=
#device		apm=0A=
# Add suspend/resume support for the i8254.=0A=
#device		pmtimer=0A=
=0A=
# Serial (COM) ports=0A=
device		sio		# 8250, 16[45]50 based serial ports=0A=
=0A=
# Parallel port=0A=
device		ppc=0A=
device		ppbus		# Parallel port bus (required)=0A=
device		lpt		# Printer=0A=
device		ppi		# Parallel port interface device=0A=
#device		vpo		# Requires scbus and da=0A=
=0A=
=0A=
device		miibus		# MII bus support=0A=
device		fxp		# Intel EtherExpress PRO/100B (82557, 82558)=0A=
device		em=0A=
=0A=
=0A=
device		loop		# Network loopback=0A=
device		mem		# Memory and kernel memory devices=0A=
device		io		# I/O device=0A=
device		random		# Entropy device=0A=
device		ether		# Ethernet support=0A=
#device		sl		# Kernel SLIP=0A=
#device		ppp		# Kernel PPP=0A=
device		tun		# Packet tunnel.=0A=
device		pty		# Pseudo-ttys (telnet etc)=0A=
device		md		# Memory "disks"=0A=
#device		gif		# IPv6 and IPv4 tunneling=0A=
#device		faith		# IPv6-to-IPv4 relaying (translation)=0A=
=0A=
device		bpf		# Berkeley packet filter=0A=
=0A=
# USB support=0A=
device		uhci		# UHCI PCI->USB interface=0A=
device		ohci		# OHCI PCI->USB interface=0A=
device		usb		# USB Bus (required)=0A=
#device		udbp		# USB Double Bulk Pipe devices=0A=
device		ugen		# Generic=0A=
device		uhid		# "Human Interface Devices"=0A=
device		ulpt		# Printer=0A=
device		umass		# Disks/Mass storage - Requires scbus and da=0A=
=0A=
=0A=
# FireWire support=0A=
#device		firewire	# FireWire bus code=0A=
#device		sbp		# SCSI over FireWire (Requires scbus and da)=0A=
#device		fwe		# Ethernet over FireWire (non-standard!)=0A=
=0A=
options		IPFIREWALL=0A=
options		IPFIREWALL_VERBOSE=0A=
options		IPFIREWALL_VERBOSE_LIMIT=3D10000=0A=
options		IPFIREWALL_DEFAULT_TO_ACCEPT=0A=
=0A=
device		snp=0A=
device		speaker=0A=
=0A=
#options		DDB=0A=
#options		KDB=0A=
#options		BREAK_TO_DEBUGGER=0A=
#options		INVARIANT_SUPPORT=0A=
#options		INVARIANTS=0A=
#options		WITNESS=0A=
#options         WITNESS_KDB=0A=
#options		WITNESS_SKIPSPIN=0A=
options 	ADAPTIVE_GIANT		# Giant mutex is adaptive.=0A=
=0A=
options         DEVICE_POLLING=0A=
options         HZ=3D1000=0A=

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