Date: Wed, 14 Feb 1996 14:29:27 -0500 (EST) From: "Marc G. Fournier" <scrappy@ki.net> To: FreeBSD-gnats-submit@freebsd.org Subject: kern/1027: panic on vm_map_insert Message-ID: <199602141929.OAA01811@ki.net> Resent-Message-ID: <199602141930.LAA07975@freefall.freebsd.org>
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>Number: 1027
>Category: kern
>Synopsis: panic on vm_map_insert
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Feb 14 11:30:01 PST 1996
>Last-Modified:
>Originator: Marc G. Fournier
>Organization:
>Release: FreeBSD 2.2-CURRENT i386
>Environment:
FreeBSD 2.2-CURRENT #0: Tue Feb 13 22:10:52 EST 1996
scrappy@ki.net:/usr/src/sys/compile/kinet
CPU: i486 DX4 (486-class CPU)
Origin = "GenuineIntel" Id = 0x480 Stepping=0
Features=0x3<FPU,VME>
real memory = 16777216 (16384K bytes)
avail memory = 14614528 (14272K bytes)
DEVFS: ready for devices
Probing for devices on PCI bus 0:
chip0 <SiS 85c496> rev 49 on pci0:5
ncr0 <ncr 53c810 scsi> rev 2 int a irq 12 on pci0:11
ncr0 waiting for scsi devices to settle
(ncr0:0:0): "CONNER CFP1060S 1.05GB 243F" type 0 fixed SCSI 2
sd0(ncr0:0:0): Direct-Access
sd0(ncr0:0:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
1013MB (2074880 512 byte sectors)
(ncr0:1:0): "QUANTUM LPS340S 020B" type 0 fixed SCSI 2
sd1(ncr0:1:0): Direct-Access
sd1(ncr0:1:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
327MB (670506 512 byte sectors)
(ncr0:2:0): "QUANTUM LP240S GM240S01X 4.6" type 0 fixed SCSI 2
sd2(ncr0:2:0): Direct-Access
sd2(ncr0:2:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
234MB (479350 512 byte sectors)
(ncr0:3:0): "CONNER CFA540S 13B0" type 0 fixed SCSI 2
sd3(ncr0:3:0): Direct-Access
sd3(ncr0:3:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
515MB (1056708 512 byte sectors)
vga0 <VGA-compatible display device> rev 0 on pci0:15
Probing for devices on the ISA bus:
vt0 at 0x60-0x6f irq 1 on motherboard
vt0: generic, 80 col, color, 8 scr, mf2-kbd, [R3.20-b24]
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16550A
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
lpt0 at 0x378-0x37f irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: NEC 72065B
fd0: 1.44MB 3.5in
aha0 not found at 0x330
1 3C5x9 board(s) on ISA found at 0x300
ep0 at 0x300-0x30f irq 10 on isa
ep0: aui/bnc[*BNC*] address 00:a0:24:0a:6d:ce irq 10
npx0 on motherboard
npx0: INT 16 interface
devfs ready to run
WARNING: / was not properly dismounted.
>Description:
System gave the following warning before the panic:
swap_pager_dealloc: *warning* freeing pager with -8 blocks
The panicked with:
fault virtual address = 0xf0ffaca0
instruction pointer = 0x8:0xf01a273c
Stopped at _vm_map_insert+0x16c: movl %eax,0(%edx)
trace shows:
vm_map_insert+0x16c
vm_map_find+0xca
vm_fork+0x12d
fork1+0x2e6
vfork+0x10
syscall+0xf3
Xsyscall+0x2d
--- syscall 66, eip = 0x80cabd2, ebp = 0xefbfcfbc
>How-To-Repeat:
>Fix:
>Audit-Trail:
>Unformatted:
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