From mboxrd@z Thu Jan  1 00:00:00 1970
Message-Id: <1423980834.1913333.227665965.008E0348@webmail.messagingengine.com>
From: Ramakrishnan Muthukrishnan <ram@rkrishnan.org>
To: 9fans@9fans.net
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Date: Sun, 15 Feb 2015 11:43:54 +0530
In-Reply-To: <2c5f91b0d593ba029b2bc1616de4aa6e@brasstown.quanstro.net>
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	<c4f7c074a94d997a943c58b50f51d8db@brasstown.quanstro.net>
	<2c5f91b0d593ba029b2bc1616de4aa6e@brasstown.quanstro.net>
Subject: Re: [9fans] 9atom installation report on Acer C710 Chromebook
Topicbox-Message-UUID: 44c0c468-ead9-11e9-9d60-3106f5b1d025

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: ...