From mboxrd@z Thu Jan  1 00:00:00 1970
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From: Ramakrishnan Muthukrishnan <ram@rkrishnan.org>
To: 9fans@9fans.net
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Date: Mon, 23 Feb 2015 09:36:52 +0530
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	<c4f7c074a94d997a943c58b50f51d8db@brasstown.quanstro.net>
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	<1423980834.1913333.227665965.008E0348@webmail.messagingengine.com>
Subject: Re: [9fans] 9atom installation report on Acer C710 Chromebook
Topicbox-Message-UUID: 45940198-ead9-11e9-9d60-3106f5b1d025

On Sun, Feb 15, 2015, at 11:43 AM, Ramakrishnan Muthukrishnan wrote:
> On Sat, Feb 14, 2015, at 11:22 PM, erik quanstrom wrote:
> > On Sat Feb 14 09:40:55 PST 2015, quanstro@quanstro.net wrote:
> > > > This morning, I decided to install 9atom. The installation went quite
> > > > well but towards the end, while it is compiling amd64 executables, I got
> > > > a panic and a freeze.
> > > >
> > > > panic: cpu0: cclose 0xfffffffff01c45f8
> > > > dumpstack: disabled
> > > > cpu0: exiting
> > > > cpu1: exiting
> > >
> >
> > for those following along at home, the panic is here
> >
> > 	if(c->flag&CFREE)
> > 		panic("cclose %#p", getcallerpc(&c));
> >
> > and called from
> >
> > acid; src(0xfffffffff01c45f8)
> > /sys/src/nix/port/chan.c:240
> >  235                     return;
> >  236             decref(&npath);
> >  237             free(p->s);
> >  238             for(i=0; i<p->mlen; i++)
> >  239                     if(p->mtpt[i])
> > >240				cclose(p->mtpt[i]);
> >  241             free(p->mtpt);
> >  242             free(p);
> >  243     }
> >  244
> >  245     /*
> >
> > it would be interesting to know if a second try at installation
> > also fails in the same way.  if it does not, then it will look a lot
> > like a race in chan.c.  if it fails in the same way, we really can't
> > infer anything.
>
> I see a crash elsewhere now. Tried installation 3 times again and all
> crashed at different places.
>
> One of them is:
>
> rc: note: sys: trap: fault write addr=0x7ffffee00000 pc=0x20d790
> rc 9024: suicide: sys: trap: ...

Perhaps I should add that I tried the 386 install as well and that
crashed randomly as well.