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Date:      Sat, 9 Mar 2002 08:46:31 +0100
From:      Bernd Walter <ticso@cicely8.cicely.de>
To:        Wilko Bulte <wkb@freebie.xs4all.nl>
Cc:        John Baldwin <jhb@FreeBSD.ORG>, freebsd-alpha@FreeBSD.ORG, freebsd-current@FreeBSD.ORG
Subject:   Re: blockable sleep panic on Alpha / current
Message-ID:  <20020309074630.GA5265@cicely8.cicely.de>
In-Reply-To: <20020305192042.A7375@freebie.xs4all.nl>
References:  <20020304191303.A2288@freebie.xs4all.nl> <XFMail.020305105153.jhb@FreeBSD.org> <20020305192042.A7375@freebie.xs4all.nl>

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On Tue, Mar 05, 2002 at 07:20:42PM +0100, Wilko Bulte wrote:
> On Tue, Mar 05, 2002 at 10:51:53AM -0500, John Baldwin wrote:
> > On 04-Mar-02 Wilko Bulte wrote:
> > > alpha_dispatch_intr() at alpha_dispatch_intr+0x130
> > > interrupt() at interrupt+0x138
> > > XentInt() at XentInt+0x28
> > > --- interrupt (from ipl 0) ---
> > > critical_exit() at critical_exit+0x1c
> > > _mtx_unlock_spin_flags() at _mtx_unlock_spin_flags+0xd4
> > > vm_fault1() at vm_fault1+0x110c
> > > vm_fault() at vm_fault+0x64
> > > trap() at trap+0x6d8
> > > XentMM() at XentMM+0x2c
> > > --- memory management fault ---
> > > pmap_enter_quick() at pmap_enter_quick+0x1d4
> > 
> > Ugh, this is probably the real bug. :(  Can you do a list on this address?
> 
> (kgdb) l *pmap_enter_quick+0x1d4
> 0xfffffc000052c314 is in pmap_enter_quick
> (../../../alpha/alpha/pmap.c:2422).
> 2417            pmap_insert_entry(pmap, va, mpte, m);
> 2418
> 2419            /*
> 2420             * Increment counters
> 2421             */
> 2422            pmap->pm_stats.resident_count++;
> 2423
> 2424            /*
> 2425             * Now validate mapping with RO protection
> 2426             */
> (kgdb) 
> 
> I hope this makes sense. I still hope to catch a dump. Or
> alternatively I hope it get's caught by ddb.

Does anyone already knows the reason?
If not I will take a look into tomorrow.

-- 
B.Walter              COSMO-Project         http://www.cosmo-project.de
ticso@cicely.de         Usergroup           info@cosmo-project.de


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