On Tue, 20 Nov 2007 23:48:22 +0100
Nicolas Joly <njoly@pasteur.fr> wrote:

> On Tue, Nov 20, 2007 at 04:19:26PM -0600, Greg Oster wrote:
> > Paul Goyette writes:
> > > On Tue, 20 Nov 2007, Juan RP wrote:
> > > 
> > > > I see that sysmon_envsys* files in your kernel are not the newest
> > > > ones, could you please try updating? the locking in sme_events_check
> > > > () was change
> > > d
> > > > recently.
> > > 
> > > Well, I did a 'cvs update' in /usr/src/sys then rebuilt my kernel.
> > > It's worse than before!
> > > 
> > > Right after it successfully probes the azalia0, I get
> > > 
> > > uvm_fault(0xffffffff805e8c80, 0x0, 2) -> e
> > > kernel: page fault trap, code=0
> > > Stopped in pid 0.1 (system) at netbsd:softintr_schedule+0x60:  movq %
> > > r12, 0(% rax)
> > 
> > here's what I just got:
> 
> Me too :-(
> 
> With an up to date DIAGNOSTIC+LOCKDEBUG kernel:
> 
> uvm_fault(0xffffffff80c027a0, 0x0, 2) -> e
> kernel: page fault trap, code=0
> Stopped in pid 0.1 (system) at  netbsd:softintr_schedule+0x60:  movq    %
> r12,0(%rax) db{0}> Kernel lock error: _kernel_lock: spinout
> 
> lock address : 0xffffffff80c00bf0 type     :               spin
> shared holds :                  0 exclusive:                  1
> shares wanted:                  0 exclusive:                  1
> current cpu  :                  1 last held:                  0
> current lwp  : 0xffff800047dc72e0 last held: 0xffffffff80b56460
> last locked  : 0xffffffff804df199 unlocked : 0xffffffff804c979f
> initialized  : 0xffffffff803ee649
> curcpu holds :                  0 wanted by: 0xffff800047dc72e0
> 
> panic: LOCKDEBUG
> 
> db{0}> mach cpu 0
> using CPU 0
> db{0}> bt
> softintr_schedule() at netbsd:softintr_schedule+0x60
> Xresume_lapic_ltimer() at netbsd:Xresume_lapic_ltimer+0x21
> --- interrupt ---
> bus_space_read_stream_1() at netbsd:bus_space_read_stream_1+0xe
> config_process_deferred() at netbsd:config_process_deferred+0x59
> configure() at netbsd:configure+0x62
> main() at netbsd:main+0x175
> db{0}> mach cpu 1
> using CPU 1
> db{0}> bt  
> breakpoint() at netbsd:breakpoint+0x1
> lockdebug_abort1() at netbsd:lockdebug_abort1+0x7f
> lockdebug_abort() at netbsd:lockdebug_abort+0xa5
> _kernel_lock() at netbsd:_kernel_lock+0x12d
> trap() at netbsd:trap+0x6f9
> uvm_fault(0xffffffff80c027a0, 0x0, 1) -> e
> kernel: page fault trap, code=0
> Faulted in DDB; continuing...

Fixed in machdep.c rev 1.68... no cookie for Andrew!

-- 
Juan Romero Pardines	- The NetBSD Project
http://plog.xtrarom.org	- NetBSD/pkgsrc news in Spanish