panic: kmem_malloc

[GreenX FreeBSD]

Hi,
At me a problem - after one - two weeks of job the machine panics and is 
reboot,
prompt as to see why it occurs that it is possible to make with it?
There can be data resulted below - will help to help me.

#uname -a
FreeBSD crom.azimutprint.ru 6.0-STABLE FreeBSD 6.0-STABLE #1: Fri Jan 13 
11:29:48 MSK 2006
greenx at crom.azimutprint.ru:/usr/obj/usr/src/sys/cromkernel  i386

#bzgrep panic /var/log/messages.?.bz2 | grep -v savecore
Dec 26 10:48:43 crom kernel: panic: kmem_malloc(16384): kmem_map too 
small: 172457984 total allocated
Dec  6 17:28:43 crom kernel: panic: kmem_malloc(4096): kmem_map too 
small: 172470272 total allocated

#grep panic /var/log/messages | grep -v savecore
Jan 20 03:04:42 crom kernel: panic: kmem_malloc(4096): kmem_map too 
small: 172470272 total allocated

And attach dmesg.txt
-------------- next part --------------
FreeBSD 6.0-STABLE #1: Fri Jan 13 11:29:48 MSK 2006
    greenx at crom.azimutprint.ru:/usr/obj/usr/src/sys/cromkernel
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) 4 CPU 2.80GHz (2806.37-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0xf33  Stepping = 3
  Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Features2=0x41d<SSE3,RSVD2,MON,DS_CPL,CNTX-ID>
  Hyperthreading: 2 logical CPUs
real memory  = 536018944 (511 MB)
avail memory = 515055616 (491 MB)
ACPI APIC Table: <A M I  OEMAPIC >
ioapic0 <Version 2.0> irqs 0-23 on motherboard
acpi0: <A M I OEMXSDT> on motherboard
acpi0: Power Button (fixed)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
cpu0: <ACPI CPU> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <Intel 82875P host to AGP bridge> mem 0xfe800000-0xfebfffff at device 0.0 on pci0
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pci1: <display, VGA> at device 0.0 (no driver attached)
pcib2: <ACPI PCI-PCI bridge> at device 3.0 on pci0
pci2: <ACPI PCI bus> on pcib2
em0: <Intel(R) PRO/1000 Network Connection Version - 3.2.18> port 0xcf80-0xcf9f mem 0xfe5e0000-0xfe5fffff irq 18 at device 1.0 on pci2
em0: Ethernet address: 00:0e:a6:5f:f2:ba
pcib3: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci3: <ACPI PCI bus> on pcib3
atapci0: <Promise PDC20378 SATA150 controller> port 0xdf00-0xdf3f,0xdfa0-0xdfaf,0xdc00-0xdc7f mem 0xfe6fe000-0xfe6fefff,0xfe6c0000-0xfe6dffff irq 23 at device 4.0 on pci3
ata2: <ATA channel 0> on atapci0
ata3: <ATA channel 1> on atapci0
ata4: <ATA channel 2> on atapci0
xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0xd880-0xd8ff mem 0xfe6ff400-0xfe6ff47f irq 22 at device 10.0 on pci3
miibus0: <MII bus> on xl0
xlphy0: <3c905C 10/100 internal PHY> on miibus0
xlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
xl0: Ethernet address: 00:04:76:e8:98:07
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci1: <Intel ICH5 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xfc00-0xfc0f at device 31.1 on pci0
ata0: <ATA channel 0> on atapci1
ata1: <ATA channel 1> on atapci1
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
acpi_button0: <Power Button> on acpi0
speaker0: <PC speaker> port 0x61 on acpi0
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
pmtimer0 on isa0
orm0: <ISA Option ROM> at iomem 0xd6800-0xd6fff on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
atkbd0: [GIANT-LOCKED]
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounter "TSC" frequency 2806374508 Hz quality 800
Timecounters tick every 1.000 msec
Fast IPsec: Initialized Security Association Processing.
ad0: 194481MB <Maxtor 6Y200P0 YAR41BW0> at ata0-master UDMA100
acd0: CDROM <LG CD-ROM CRD-8521B/1.00> at ata1-master PIO4
ad4: 305245MB <WDC WD3200JD-00KLB0 08.05J08> at ata2-master SATA150
ad6: 305245MB <WDC WD3200JD-00KLB0 08.05J08> at ata3-master SATA150
ad8: 305245MB <WDC WD3200JB-00KFA0 08.05J08> at ata4-master UDMA100
ad9: 305245MB <WDC WD3200JB-00KFA0 08.05J08> at ata4-slave UDMA100
ar0: 610351MB <Promise Fasttrak RAID0+1 (stripe 64 KB)> status: READY
ar0: disk0 READY (master) using ad4 at ata2-master
ar0: disk1 READY (master) using ad6 at ata3-master
ar0: disk2 READY (mirror) using ad8 at ata4-master
ar0: disk3 READY (mirror) using ad9 at ata4-slave
Trying to mount root from ufs:/dev/ad0s1a
WARNING: / was not properly dismounted
WARNING: /tmp was not properly dismounted
WARNING: /usr was not properly dismounted
WARNING: /var was not properly dismounted
WARNING: /raid1 was not properly dismounted
em0: link state changed to UP
WARNING: pseudo-random number generator used for IPsec processing