From: "Devon H. O'Dell" <devon.odell@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] Race condition in /sys/src/9/pc/trap.c?
Date: Fri, 31 Jul 2009 14:08:14 -0400 [thread overview]
Message-ID: <9ab217670907311108v275b637dp833970ad23f72213@mail.gmail.com> (raw)
In-Reply-To: <64332bc783f3dc7dffc16c1266fefea3@coraid.com>
2009/7/31 erik quanstrom <quanstro@coraid.com>:
>> process1:
>> still in kernel:
>> memmove(buf, ...)
>> *fault*
>> trap()
>> fault386()
>> fault() => -1
>> if(!user){
>> panic()
>> *panic*
>> }
>> ...
>> postnote()
>
> could you be more specific. what is your test program,
> where is it crashing (if you know), and what is the panic
> message, if any? i must be dense, but i'm confused by
> your process diagram.
He posted it earlier in this thread
--dho
> - erik
>
>
next prev parent reply other threads:[~2009-07-31 18:08 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-30 4:03 Matthew J Jones
2009-07-30 11:27 ` erik quanstrom
2009-07-30 14:25 ` Elizabeth Jones
2009-07-30 14:37 ` Sape Mullender
2009-07-30 15:01 ` cinap_lenrek
2009-07-30 15:24 ` cinap_lenrek
2009-07-30 15:17 ` cinap_lenrek
2009-07-30 15:54 ` Charles Forsyth
2009-07-31 13:07 ` Charles Forsyth
2009-07-31 13:28 ` Richard Miller
2009-07-31 17:13 ` cinap_lenrek
2009-07-31 18:00 ` erik quanstrom
2009-07-31 18:08 ` Devon H. O'Dell [this message]
2009-07-31 18:18 ` erik quanstrom
2009-07-31 18:35 ` Devon H. O'Dell
2009-07-31 21:52 ` cinap_lenrek
2009-07-31 19:31 ` Charles Forsyth
2009-07-31 19:40 ` erik quanstrom
2009-07-31 20:41 ` Charles Forsyth
2009-07-30 15:20 ` erik quanstrom
2009-07-30 14:39 ` erik quanstrom
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