>Number:         26267
>Category:       kern
>Synopsis:       uvm_fault() panic on tomcat running 2.0_BETA box
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jul 12 22:16:00 UTC 2004
>Closed-Date:
>Last-Modified:
>Originator:     David Brownlee
>Release:        NetBSD 2.0_BETA
>Organization:
	
>Environment:
	
	
System: NetBSD styx.purplei.com 2.0_BETA NetBSD 2.0_BETA (_NOACPI_) #0: Mon Jul  5 21:44:29 BST 2004  root@gta.i.purplei.com:/tmp/_NOACPI_ i386
Architecture: i386
Machine: i386
>Description:
	Machine running quite heavy tomcat (sun-jdk14) and postgres server
	experienced a panic in uvm_fault(). tail end of console gave:

vr0: receive error: unknown rx error
vr0: receive error: unknown rx error
uvm_fault(0xc05abbc0, 0xeef80000,0, 1) -> 0xe
fatal page fault in supervisor mode
trap type 6 code 0 eip c02abec9 cs 8 efloags 10286 cr2 eef 80305 ilevel a
panic: trap
syncing disks....
[hang]

	dmesg:

NetBSD 2.0_BETA (_NOACPI_) #0: Mon Jul  5 21:44:29 BST 2004
	root@tll.i.purplei.com:/var/obj/i386/files/netbsd/2.0/sys/arch/i386/compile/_NOACPI_
total memory = 1023 MB
avail memory = 996 MB
BIOS32 rev. 0 found at 0xfb760
mainbus0 (root)
cpu0 at mainbus0: (uniprocessor)
cpu0: AMD Duron (686-class), 1603.72 MHz, id 0x681
cpu0: features c3c3fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
cpu0: features c3c3fbff<PGE,MCA,CMOV,PAT,PSE36,MMXX,MMX>
cpu0: features c3c3fbff<FXSR,SSE,3DNOW2,3DNOW>
cpu0: I-cache 64 KB 64B/line 2-way, D-cache 64 KB 64B/line 2-way
cpu0: L2 cache 64 KB 64B/line 16-way
cpu0: ITLB 16 4 KB entries fully associative, 8 4 MB entries fully associative
cpu0: DTLB 32 4 KB entries fully associative, 8 4 MB entries 4-way
cpu0: 8 page colors
pci0 at mainbus0 bus 0: configuration mode 1
pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
pchb0 at pci0 dev 0 function 0
pchb0: Nvidia Corporation nForce2 Host-PCI Bridge (rev. 0xc1)
agp at pchb0 not configured
Nvidia Corporation nForce2 Memory Controller (RAM memory, revision 0xc1) at pci0 dev 0 function 1 not configured
Nvidia Corporation nForce2 Memory Controller (RAM memory, revision 0xc1) at pci0 dev 0 function 2 not configured
Nvidia Corporation nForce2 Memory Controller (RAM memory, revision 0xc1) at pci0 dev 0 function 3 not configured
Nvidia Corporation nForce2 Memory Controller (RAM memory, revision 0xc1) at pci0 dev 0 function 4 not configured
Nvidia Corporation nForce2 Memory Controller (RAM memory, revision 0xc1) at pci0 dev 0 function 5 not configured
pcib0 at pci0 dev 1 function 0
pcib0: Nvidia Corporation nForce2 PCI-ISA bridge (rev. 0xa4)
Nvidia Corporation nForce2 SMBus Controller (SMBus serial bus, revision 0xa2) at pci0 dev 1 function 1 not configured
ohci0 at pci0 dev 2 function 0: Nvidia Corporation nForce2 USB Host Controller (rev. 0xa4)
ohci0: interrupting at irq 7
ohci0: OHCI version 1.0, legacy support
usb0 at ohci0: USB revision 1.0
uhub0 at usb0
uhub0: Nvidia Corporat OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 3 ports with 3 removable, self powered
ohci1 at pci0 dev 2 function 1: Nvidia Corporation nForce2 USB Host Controller (rev. 0xa4)
ohci1: interrupting at irq 5
ohci1: OHCI version 1.0, legacy support
usb1 at ohci1: USB revision 1.0
uhub1 at usb1
uhub1: Nvidia Corporat OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 3 ports with 3 removable, self powered
ehci0 at pci0 dev 2 function 2: Nvidia Corporation nForce2 USB2 Host Controller (rev. 0xa4)
ehci0: interrupting at irq 10
ehci0: EHCI version 1.0
ehci0: companion controllers, 4 ports each: ohci0 ohci1
usb2 at ehci0: USB revision 2.0
uhub2 at usb2
uhub2: Nvidia Corporat EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub2: 6 ports with 6 removable, self powered
Nvidia Corporation nForce2 Ethernet (ethernet network, revision 0xa1) at pci0 dev 4 function 0 not configured
Nvidia Corporation nForce2 MCP-T Audio Processing Unit (audio multimedia, revision 0xa2) at pci0 dev 5 function 0 not configured
auich0 at pci0 dev 6 function 0: nForce2 MCP-T AC-97 Audio
auich0: interrupting at irq 7
auich0: ac97: Avance Logic ALC650 codec; 20 bit DAC, 18 bit ADC, Realtek 3D
auich0: ac97: ext id 5c7<AC97_22,LDAC,SDAC,CDAC,SPDIF,DRA,VRA>
ppb0 at pci0 dev 8 function 0: Nvidia Corporation nForce2 PCI-PCI bridge (rev. 0xa3)
pci1 at ppb0 bus 1
pci1: i/o space, memory space enabled
vr0 at pci1 dev 6 function 0: VIA VT3043 (Rhine) 10/100 Ethernet
vr0: interrupting at irq 11
vr0: Ethernet address: 00:50:ba:b3:26:07
dmphy0 at vr0 phy 8: DM9101 (AMD Am79C873) 10/100 media interface, rev. 0
dmphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
viaide0 at pci0 dev 9 function 0
viaide0: NVIDIA nForce2 IDE Controller (rev. 0xa2)
viaide0: bus-master DMA support present
viaide0: primary channel configured to compatibility mode
viaide0: primary channel interrupting at irq 14
atabus0 at viaide0 channel 0
viaide0: secondary channel configured to compatibility mode
viaide0: secondary channel interrupting at irq 15
atabus1 at viaide0 channel 1
Nvidia Corporation nForce2 Firewire Controller (Firewire serial bus, interface 0x10, revision 0xa3) at pci0 dev 13 function 0 not configured
ppb1 at pci0 dev 30 function 0: Nvidia Corporation nForce2 PCI-PCI Bridge (rev. 0xc1)
pci2 at ppb1 bus 3
pci2: i/o space, memory space enabled
vga0 at pci2 dev 0 function 0: Nvidia Corporation GeForce FX 5600 (rev. 0xa1)
wsdisplay0 at vga0 kbdmux 1: console (80x25, vt100 emulation)
wsmux1: connecting to wsdisplay0
isa0 at pcib0
com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
pckbc0 at isa0 port 0x60-0x64
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
sysbeep0 at pcppi0
isapnp0 at isa0 port 0x279: ISA Plug 'n Play device support
npx0 at isa0 port 0xf0-0xff: using exception 16
isapnp0: no ISA Plug 'n Play devices found
auich0: measured ac97 link rate at 48007 Hz, will use 48000 Hz
audio0 at auich0: full duplex, mmap, independent
Kernelized RAIDframe activated
wd0 at atabus0 drive 0: <Maxtor 6Y080L0>
wd0: drive supports 16-sector PIO transfers, LBA addressing
wd0: 78167 MB, 158816 cyl, 16 head, 63 sec, 512 bytes/sect x 160086528 sectors
wd0: 32-bit data port
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd0(viaide0:0:0): using PIO mode 4, Ultra-DMA mode 6 (Ultra/133) (using DMA data transfers)
wd1 at atabus1 drive 0: <Maxtor 6Y080L0>
wd1: drive supports 16-sector PIO transfers, LBA addressing
wd1: 78167 MB, 158816 cyl, 16 head, 63 sec, 512 bytes/sect x 160086528 sectors
wd1: 32-bit data port
wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd1(viaide0:1:0): using PIO mode 4, Ultra-DMA mode 6 (Ultra/133) (using DMA data transfers)
raid0: RAID Level 1
raid0: Components: /dev/wd0a /dev/wd1a
raid0: Total Sectors: 160086400 (78167 MB)
boot device: raid0
root on raid0a dumps on raid0b
root file system type: ffs
wsdisplay0: screen 1 added (80x25, vt100 emulation)
wsdisplay0: screen 2 added (80x25, vt100 emulation)
wsdisplay0: screen 3 added (80x25, vt100 emulation)
wsdisplay0: screen 4 added (80x25, vt100 emulation)
	
>How-To-Repeat:
	No idea. Something I would ideally like to avoid.
>Fix:
	Unknown.
>Release-Note:
>Audit-Trail:
>Unformatted: