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i386 -current panic


Less than two days old system gives me repeatable panic - apparently
under load. I was able to take crash dump - in case anyone is
interested, .

[loan8] /var/crash # uname -a
NetBSD loan8 5.99.43 NetBSD 5.99.43 (GENERIC) #0: Wed Jan  5 14:54:45
GMT 2011  root@uksup2:/usr/obj/usr-current/i386/sys/arch/i386/compile/GENERIC

This happens running 'make test' in /usr/pkgsrc/lang/sbcl, the initial
message is as follows (manually taken):

fatal page fault in supervisor mode
trap type 6 code 0 eip c06e3770 cs 8 eflags 10246 cr2 4 ilevel 0
kernel: supervisor trap page fault, code=0
Stopped in pid 0.48 (system) at netbsd:uvmpdpol_selectvictim+0xd0:

then in gdb:

[loan8] /var/crash # gdb netbsd.1
GNU gdb 6.5
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386--netbsdelf"...(no debugging symbols found)

(gdb) target kvm netbsd.1.core
#0  0xc04c8641 in cpu_reboot ()
(gdb) bt
#0  0xc04c8641 in cpu_reboot ()
#1  0xc024a38a in db_reboot_cmd ()
#2  0xc024aa61 in db_command ()
#3  0xc024ace9 in db_command_loop ()
#4  0xc025079e in db_trap ()
#5  0xc024d6de in kdb_trap ()
#6  0xc0660fa7 in trap ()
#7  0xc010cff8 in calltrap ()
#8  0xc06e3770 in uvmpdpol_selectvictim ()
#9  0xc06e2c61 in uvm_pageout ()
#10 0xc0100321 in lwp_trampoline ()
(gdb) kvm proc 0xcd71c2c0   -- the address of one of the two sbcl processes --
#0  0xc04a39fe in mi_switch ()
(gdb) bt
#0  0xc04a39fe in mi_switch ()
#1  0xc04a0eac in sleepq_block ()
#2  0xc0481471 in cv_wait ()
#3  0xc06e8df0 in biowait ()
#4  0xc06e4ab0 in uvm_swap_io ()
#5  0xc06e4b49 in uvm_swap_get ()
#6  0xc06d51ba in uvmfault_anonget ()
#7  0xc06d6003 in uvm_fault_internal ()
#8  0xc06613ac in trap ()
#9  0xc010cff8 in calltrap ()

(this system has been running 5.99.39 since mid-September as later
releases did panic on boot at the discovery of the system disk - sd0
on an

ahc1 at pci3 dev 9 function 0: Adaptec aic7892 Ultra160 SCSI adapter

and this was the first version I've tried for some time, which did not
do that; otherwise it has been pretty reliable, I don't think this is

A second VirtualBox machine running the same release rebooted
overnight during pkg_rolling-replace; I also had one inexplicable
reset on my T61p laptop under the same version of the system, this
time amd64, but has been behaving today ( again full 'make' and 'make
test' on sbcl).

Anyone else having similar problems?

Chavdar Ivanov


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