Re: -CURRENT panics on intensive fs operations.

On Wed, 2007-02-14 at 20:14 -0500, Kris Kennaway wrote:
> On Wed, Feb 14, 2007 at 07:48:51PM -0500, Alexandre Sunny Kovalenko wrote:
> > On Tue, 2007-02-13 at 20:17 -0500, Kris Kennaway wrote:
> > > On Tue, Feb 13, 2007 at 08:02:39PM -0500, Alexandre Sunny Kovalenko wrote:
> > > > I can reliably panic -CURRENT (Feb 11, noon EST) with the something that
> > > > excersises the file system. I have currently settled on (cd /usr/ports;
> > > > make clean), but it all started out as doing some "emerges" to test the
> > > > latest linuxolator. In the case of the "make clean" I have seen it
> > > > crashing as early as /usr/ports/audio and as late
> > > > as /usr/ports/textproc. 
> > > > 
> > > > It does not seem to be consistent as to where it crashes (two latest
> > > > ones are below). This machine is Intel T2400 (1.83GHz 32-bit dual core).
> > > > I have attached config file to the E-mail. I am going to turn off
> > > > PREEMPTION for the lack of better ideas, but I will be happy to try any
> > > > other suggestions. I did run memtest on this machine for about 6 hours
> > > > without a problem.
> > > 
> > > How about turning debugging back on to try and catch a more useful
> > > panic?
> > I don't know whether it is indeed more useful:
> > 
> > RabbitsDen# kgdb /usr/obj/usr/src/sys/TPX60/kernel.debug vmcore.0
> > kgdb: kvm_read: invalid address (0x16)
> > [GDB will not be able to debug user-mode
> > threads: /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
> > GNU gdb 6.1.1 [FreeBSD]
> > Copyright 2004 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-marcel-freebsd".
> > Cannot access memory at address 0x0
> > (kgdb) bt
> > #0  0x00000000 in ?? ()
> > (kgdb) 
> 
> kgdb or libkvm out of date?
How does one check? This system went through
cvsup/buildworld/installworld, so I would expect all the bits to match.


-- 
Alexandre "Sunny" Kovalenko