Date: Thu, 26 Sep 1996 14:31:17 +0200 From: Gianmarco Giovannelli <gmarco@masternet.it> To: questions@freebsd.org Subject: Fatal trap 9 -> panic : vrele -> fatal trap 12 (twice) Message-ID: <3.0b15.32.19960926143115.00676e84@masternet.it>
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I recently got a new laptop, an Oyster Brahma with a 24mb ram and a P133,
and I installed the 2.2 960801.
The first error arrived soon : A Fatal trap 9, but I didn't arrive in
time to stop the reset because it arrived when the laptop was doing
nothing... Infact I was working on one other machine.
The reset let the machine started again but after a few moments it
stopped again with an error :
panic : vrele : negative reference count
So I began to think it was a 2.2 sanp problem so I decided to install the
2.1.5, but here arrive the first surprise. The kernel on the disk was not
able to find the Cdrom. After a few attempts spent trying some solutions
I decide to install from the dos partition...
The installation now worked, I made a new kernel and the second surprise
arrived after the rebooting ... it found the cdrom (strange things
because I only kill some few lines from the GENERIC).
But when I was doing the first configurations :
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x400
fault code = supervisor read, page not present
instruction pointer = 0x8:0x400
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def 32 1, gran 1
processor eflags = interrupt enabled, resume, iopl=0
current process = 141 (csh)
interrupt mask =
panic: page fault
reboot ...
When it started again I began to view some logs to try to understand what
was happened...but another Fatal trap 12 arrive , similar to the first
with only two differences...
fault virtual address = 0xff570001
current process = 1741 (less)
these are the last boot infos :
<bigger>FreeBSD 2.1.5-RELEASE #0: Thu Sep 26 11:42:29 1996
root@myname.my.domain:/usr/src/sys/compile/BRAHMA
CPU: 133-MHz Pentium 735\\90 or 815\\100 (Pentium-class CPU)
Origin = "GenuineIntel" Id = 0x52c Stepping=12
Features=0x1bf<<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
real memory = 25165824 (24576K bytes)
avail memory = 22740992 (22208K bytes)
Probing for devices on PCI bus 0:
chip0 <<generic PCI bridge (vendor=1060 device=e891 subclass=0)> rev 176
on pci0:0
vga0 <<VGA-compatible display device> rev 0 on pci0:17
chip1 <<generic PCI bridge (vendor=1060 device=e886 subclass=1)> rev 178
on pci0:18:0
pci0:18:1: UMC, device=0x673a, class=storage (ide) [no driver assigned]
chip2 <<generic PCI bridge (vendor=1013 device=1100 subclass=5)> rev 254
int a irq ?? on pci0:23
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <<16 virtual consoles, flags=0x0>
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16550A
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
lpt0 at 0x278-0x27f irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
psm0 at 0x60-0x63 irq 12 on motherboard
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: NEC 72065B
fd0: 1.44MB 3.5in
wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: unit 0 (wd0): <<HITACHI_DK223A-11>
wd0: 1031MB (2111760 sectors), 2095 cyls, 16 heads, 63 S/T, 512 B/S
wdc1 at 0x170-0x177 irq 15 on isa
wdc1: unit 0 (atapi): <<TOSHIBA CD-ROM XM-1402B/1486>, removable, intr,
iordis
wcd0: 1033Kb/sec, 128Kb cache, audio play, 255 volume levels, ejectable
tray
wcd0: 120mm data disc loaded, unlocked
npx0 on motherboard
npx0: INT 16 interface
apm0 on isa
apm: found APM BIOS version 1.1
WARNING: / was not properly dismounted.
</bigger>So... what's happened ? :-) It is safe to turn the laptop on
again ? :-)
Regards...
+-------------------------------------+--------------------+
| Internet: gmarco@masternet.it | ,,, |
| Internet: gmarco@fi.nettuno.it | (o o) |
| BIX : ggiovannelli@bix.com | ---oo0-(_)-0oo--- |
| http://www.masternet.it/dsc/gmarco | Gianmarco |
+-------------------------------------+--------------------+
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