Subject: kern/12126: hard kernel crash; reasons unknown
To: None <gnats-bugs@gnats.netbsd.org>
From: None <bsd@cs.ubc.ca>
List: netbsd-bugs
Date: 02/03/2001 13:02:21
>Number:         12126
>Category:       kern
>Synopsis:       hard kernel crash; reasons unknown
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Feb 03 13:05:00 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     Brian de Alwis
>Release:        NetBSD/i386 1.5
>Organization:
>Environment:
System: NetBSD fifty 1.5 NetBSD 1.5 (GENERIC) #1: Sun Nov 19 21:42:11 MET 2000 fvdl@sushi:/work/trees/netbsd-1-5/sys/arch/i386/compile/GENERIC i386

This is a pretty vanilla 1.5 installation. There's no esoteric
hardware (I've appended my dmesg at the end) nor software.

XFree86 4.0 (locally compiled); most other software is from the `official'
i386 binary packages CD.  I run enlightenment 0.16.4, if that makes
a difference.

I'm the only user of this machine. top reports:
Memory: 81M Act, 9580K Inact, 3788K Wired, 71M Free, 385M Swap free

>Description:
    I've been meaning to send in a bug about this for a while now.

    I've periodically experienced very strange hard-crashes on my
    machine.  As I suffer from Repetitive Strain Injuries, I run
    xwrits (/usr/pkgsrc/x11/xwrits) to cause me to take a two
    minute break every eight minutes of typing. If I put off taking
    a break, it will eventually blitz me with up to 100 windows
    of flashing hands.

    If I ignore xwrits for too long, my machine will freeze. It 
    drops out of X to the plain console screen, but with grey on
    *white* text, rather than the normal grey on black. The
    machine is effectively dead: there is no response from the console,
    and the machine doesn't respond to pings.  There is no panic.
    I don't think the kernel has trapped into ddb, as I've tried
    blindly typing `c<RETURN>' just in case. I have to do a hard
    reset.  There is no core dump on reboot.

    I just had this occur while playing a RealAudio stream using
    the linux realplayer. There was no xwrits activity at the time.

    dmesg output:
--------------------------------------------------
NetBSD 1.5 (GENERIC) #1: Sun Nov 19 21:42:11 MET 2000
    fvdl@sushi:/work/trees/netbsd-1-5/sys/arch/i386/compile/GENERIC
cpu0: Intel Pentium III (E) (686-class)
total memory = 191 MB
avail memory = 172 MB
using 2478 buffers containing 9912 KB of memory
BIOS32 rev. 0 found at 0xf06b0
mainbus0 (root)
pci0 at mainbus0 bus 0: configuration mode 1
pci0: i/o space, memory space enabled
pchb0 at pci0 dev 0 function 0
pchb0: Intel 82443BX Host Bridge/Controller (rev. 0x03)
ppb0 at pci0 dev 1 function 0: Intel 82443BX AGP Interface (rev. 0x03)
pci1 at ppb0 bus 1
pci1: i/o space, memory space enabled
vga1 at pci1 dev 0 function 0: ATI Technologies product 0x5246 (rev. 0x00)
wsdisplay0 at vga1: console (80x25, vt100 emulation)
pcib0 at pci0 dev 4 function 0
pcib0: Intel 82371AB PCI-to-ISA Bridge (PIIX4) (rev. 0x02)
pciide0 at pci0 dev 4 function 1: Intel 82371AB IDE controller (PIIX4) (rev. 0x01)
pciide0: bus-master DMA support present
pciide0: primary channel wired to compatibility mode
wd0 at pciide0 channel 0 drive 0: <IBM-DPTA-353750>
wd0: drive supports 16-sector pio transfers, lba addressing
wd0: 35772 MB, 16383 cyl, 16 head, 63 sec, 512 bytes/sect x 73261440 sectors
wd0: 32-bit data port
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 4
pciide0: primary channel interrupting at irq 14
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2 (using DMA data transfers)
pciide0: secondary channel wired to compatibility mode
atapibus0 at pciide0 channel 1
cd0 at atapibus0 drive 0: <MATSHITADVD-ROM SR-8585, , 1W26> type 5 cdrom removable
cd0: 32-bit data port
cd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 2
pciide0: secondary channel interrupting at irq 15
cd0(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 2 (using DMA data transfers)
uhci0 at pci0 dev 4 function 2: Intel 82371AB USB Host Controller (PIIX4) (rev. 0x01)
uhci0: interrupting at irq 9
usb0 at uhci0: USB revision 1.0
uhub0 at usb0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
Intel 82371AB Power Management Controller (PIIX4) (miscellaneous bridge, revision 0x02) at pci0 dev 4 function 3 not configured
eap0 at pci0 dev 10 function 0: Ensoniq AudioPCI 97 CT5880A (rev. 0x07)
eap0: interrupting at irq 5
eap0: SigmaTel STAC9708 codec; 18 bit DAC, 18 bit ADC, Rockwell 3D
audio0 at eap0: full duplex, mmap, independent
midi0 at eap0: AudioPCI MIDI UART
fxp0 at pci0 dev 11 function 0: Intel i82557 Ethernet, rev 8
fxp0: interrupting at irq 10
fxp0: Ethernet address 00:d0:b7:23:77:91, 10/100 Mb/s
inphy0 at fxp0 phy 1: i82555 10/100 media interface, rev. 4
inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
isa0 at pcib0
com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
com1 at isa0 port 0x2f8-0x2ff irq 3: 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
lpt0 at isa0 port 0x378-0x37b irq 7
pcppi0 at isa0 port 0x61
midi1 at pcppi0: PC speaker
sysbeep0 at pcppi0
isapnp0 at isa0 port 0x279: ISA Plug 'n Play device support
npx0 at isa0 port 0xf0-0xff: using exception 16
fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
isapnp0: no ISA Plug 'n Play devices found
biomask eb45 netmask ef45 ttymask ffc7
boot device: wd0
root on wd0a dumps on wd0b
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)
wsmux1: connecting to wsdisplay0
--------------------------------------------------

>How-To-Repeat:
	Unfortunately the above recipe is all I have.
	Although I'd really rather not have to reproduce it,
	I can try, if it helps.

>Fix:
	unknown.
>Release-Note:
>Audit-Trail:
>Unformatted: