FreeBSD 7.2-BETA1 crash

[Mike Tancsa]

At 12:43 AM 4/3/2009, Ken Smith wrote:

>The first of the test builds for the FreeBSD 7.2-RELEASE cycle is now
>available.  Testing of two recent changes to the system would be
>particularly valuable.  The bce(4) network driver was updated a few days
>ago.  And some significant work was done on the threading libraries a
>short time ago that is known to fix several major issues but testing to
>see if it introduced any regressions would be appreciated.


Not sure if its a fluke or not, but I had a crash on a recently 
upgraded box.  March 22 was the previous kernel and csuping to today 
gave the following panic.


panic: vm_page_insert: page already inserted

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Unread portion of the kernel message buffer:
panic: vm_page_insert: page already inserted
cpuid = 0
Uptime: 11h35m56s
Physical memory: 2039 MB
Dumping 179 MB: 164 148 132 116 100 84 68 52 36 20 4

Reading symbols from /boot/kernel/acpi.ko...Reading symbols from 
/boot/kernel/acpi.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/acpi.ko
Reading symbols from /boot/kernel/k8temp.ko...done.
Loaded symbols for /boot/kernel/k8temp.ko
#0  doadump () at pcpu.h:196
196     pcpu.h: No such file or directory.
         in pcpu.h
(kgdb) #0  doadump () at pcpu.h:196
#1  0xc05e1207 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:418
#2  0xc05e14d9 in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:574
#3  0xc076b4ba in vm_page_insert (m=0xc2a05490, object=0xc59e6200, 
pindex=Unhandled dwarf expression opcode 0x93
)
     at /usr/src/sys/vm/vm_page.c:642
#4  0xc076ba19 in vm_page_alloc (object=0xc59e6200, pindex=4176, req=64)
     at /usr/src/sys/vm/vm_page.c:1148
#5  0xc075bb57 in vm_fault (map=0xc5086938, vaddr=183959552,
     fault_type=2 '\002', fault_flags=Variable "fault_flags" is not available.
) at /usr/src/sys/vm/vm_fault.c:441
#6  0xc07bcdab in trap_pfault (frame=0xe7a08d38, usermode=1, eva=183959552)
     at /usr/src/sys/i386/i386/trap.c:829
#7  0xc07bd6f7 in trap (frame=0xe7a08d38) at /usr/src/sys/i386/i386/trap.c:397
#8  0xc07a1f4b in calltrap () at /usr/src/sys/i386/i386/exception.s:159
#9  0x280a58d0 in ?? ()
Previous frame inner to this frame (corrupt stack?)