From hsu@clinet.fi  Sat Mar 16 11:29:16 1996
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Date: Sat, 16 Mar 1996 21:28:59 +0200 (EET)
From: Heikki Suonsivu <hsu@clinet.fi>
Reply-To: hsu@clinet.fi
To: FreeBSD-gnats-submit@freebsd.org
Subject: Fatal double fault
X-Send-Pr-Version: 3.2

>Number:         1081
>Category:       kern
>Synopsis:       Fatal double fault
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:
>Keywords:
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Mar 16 11:30:00 PST 1996
>Closed-Date:    Tue Oct 22 02:04:41 PDT 1996
>Last-Modified:  Tue Oct 22 02:05:04 PDT 1996
>Originator:     Heikki Suonsivu
>Release:        FreeBSD 2.2-CURRENT i386
>Organization:
Clinet, Espoo, Finland
>Environment:

Mar 16 07:20:16 cantina /kernel: FreeBSD 2.2-CURRENT #16: Thu Feb 22 22:38:14 EET 1996
Mar 16 07:20:16 cantina /kernel:     hsu@news.clinet.fi:/usr/current/src/sys/compile/CLINETSERVER
Mar 16 07:20:16 cantina /kernel: CPU: Pentium (132.61-MHz 586-class CPU)
Mar 16 07:20:16 cantina /kernel:   Origin = "GenuineIntel"  Id = 0x52b  Stepping=11
Mar 16 07:20:17 cantina /kernel:   Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
Mar 16 07:20:17 cantina /kernel: real memory  = 67108864 (65536K bytes)
Mar 16 07:20:17 cantina /kernel: avail memory = 63606784 (62116K bytes)
Mar 16 07:20:16 cantina /kernel: DEVFS: ready for devices
Mar 16 07:20:16 cantina /kernel: Probing for devices on PCI bus 0:
Mar 16 07:20:16 cantina /kernel: chip0 <Intel 82437 (Triton) PCI cache memory controller> rev 2 on pci0:0
Mar 16 07:20:16 cantina /kernel: chip1 <Intel 82371 (Triton) PCI-ISA bridge> rev 2 on pci0:7
Mar 16 07:20:16 cantina /kernel: piix0 <Intel 82371 (Triton) Bus-master IDE controller> rev 2 on pci0:7
Mar 16 07:20:16 cantina /kernel: de0 <Digital DC21040 Ethernet> rev 35 int a irq 10 on pci0:10
Mar 16 07:20:16 cantina /kernel: de0: DC21040 [10Mb/s] pass 2.3 Ethernet address 00:c0:95:ec:56:84
Mar 16 07:20:16 cantina /kernel: de0: enabling Thinwire/AUI port
Mar 16 07:20:16 cantina /kernel: ncr0 <ncr 53c810 scsi> rev 2 int a irq 11 on pci0:12
Mar 16 07:20:16 cantina /kernel: ncr0 waiting for scsi devices to settle
Mar 16 07:20:16 cantina /kernel: (ncr0:0:0): "IBM DPES-31080 S31Q" type 0 fixed SCSI 2
Mar 16 07:20:16 cantina /kernel: sd0(ncr0:0:0): Direct-Access 
Mar 16 07:20:16 cantina /kernel: sd0(ncr0:0:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
Mar 16 07:20:16 cantina /kernel: 1034MB (2118144 512 byte sectors)
Mar 16 07:20:16 cantina /kernel: sd0(ncr0:0:0): with 4903 cyls, 4 heads, and an average 108 sectors/track
Mar 16 07:20:17 cantina /kernel: Probing for devices on the ISA bus:
Mar 16 07:20:17 cantina /kernel: pcvt: doreset() - got KEYB_R_RESEND response ... [one time only msg]
Mar 16 07:20:17 cantina /kernel: pcvt: doreset() - Caution - no PC keyboard detected!
Mar 16 07:20:17 cantina /kernel: vt0 at 0x60-0x6f irq 1 on motherboard
Mar 16 07:20:17 cantina /kernel: vt0: tvga 8900cl, 80/132 col, color, 8 scr, unknown kbd, [R3.20-b24]
Mar 16 07:20:17 cantina /kernel: ed0 not found at 0x280
Mar 16 07:20:17 cantina /kernel: lpt0 at 0x378-0x37f irq 7 on isa
Mar 16 07:20:17 cantina /kernel: lpt0: Interrupt-driven port
Mar 16 07:20:17 cantina /kernel: lp0: TCP/IP capable interface
Mar 16 07:20:17 cantina /kernel: lpt1 not found at 0xffffffff
Mar 16 07:20:17 cantina /kernel: sio0 at 0x3f8-0x3ff irq 4 on isa
Mar 16 07:20:17 cantina /kernel: sio0: type 16550A
Mar 16 07:20:17 cantina /kernel: sio1 at 0x2f8-0x2ff irq 3 on isa
Mar 16 07:20:17 cantina /kernel: sio1: type 16550A
Mar 16 07:20:17 cantina /kernel: cy0 not found
Mar 16 07:20:17 cantina /kernel: bt0 not found at 0x330
Mar 16 07:20:17 cantina /kernel: aha0 not found at 0x330
Mar 16 07:20:17 cantina /kernel: wdc0 not found at 0x1f0
Mar 16 07:20:17 cantina /kernel: fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
Mar 16 07:20:17 cantina /kernel: fdc0: NEC 72065B
Mar 16 07:20:18 cantina /kernel: fd0: 1.44MB 3.5in
Mar 16 07:20:18 cantina /kernel: matcdc0 not found at 0x230
Mar 16 07:20:18 cantina /kernel: npx0 on motherboard
Mar 16 07:20:18 cantina /kernel: npx0: INT 16 interface
Mar 16 07:20:18 cantina /kernel: changing root device to sd0a
Mar 16 07:20:18 cantina /kernel: devfs ready to run
Mar 16 07:20:18 cantina /kernel: new masks: bio c0000840, tty c003049a, net c003049a
Mar 16 07:20:18 cantina /kernel: WARNING: / was not properly dismounted.

>Description:

Fatal double fault:

eip = 0xf01c548a
esp = 0xefbfcffc
ebp = 0xefbfd00c

f01c4e40 t gcc2_compiled.
f01c4e50 F trap.o
f01c4e50 t ___gnu_compiled_c
f01c4e50 t gcc2_compiled.
f01c5000 T _trap
f01c5484 t _trap_pfault
f01c57e8 t _trap_fatal
f01c5ab4 T _dblfault_handler
f01c5b00 T _trapwrite
f01c5be0 T _syscall
f01c5f20 F userconfig.o
f01c5f20 t ___gnu_compiled_c
f01c5f20 t _setdev

>How-To-Repeat:

I don't know.  This one seems to be somewhat unique.

>Fix:
	

>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: scrappy 
State-Changed-When: Mon Oct 21 23:22:02 PDT 1996 
State-Changed-Why:  

Dust off the cobwebs - Confirm Status 
State-Changed-From-To: feedback->closed 
State-Changed-By: scrappy 
State-Changed-When: Tue Oct 22 02:04:41 PDT 1996 
State-Changed-Why:  

Originator Confirmed Closure 
>Unformatted:
