From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [Bug 932487] [NEW] win32: git rev 59f971d crashes when accessing disk (coroutine issue)
Date: Thu, 16 Feb 2012 12:01:58 +0100 [thread overview]
Message-ID: <jhinn6$7g0$1@dough.gmane.org> (raw)
In-Reply-To: <4F3CDBA8.1090407@redhat.com>
On 02/16/2012 11:34 AM, Kevin Wolf wrote:
> Remember that I saw a similar crash a while ago? It was definitely a
> NULL pointer access somewhere inside SwitchToFiber. I can't remember
> exactly what came out of it, but I think you and Paolo couldn't
> reproduce it and I ran out of time for debugging win32 stuff.
>
> If I was to debug this, the first thing I would try is that I would dump
> co->fiber (or actually I seem to remember it was some data structure
> that is only pointed to by a field in co->fiber) immediately after the
> coroutine is created (I think it was still okay then) and set a
> watchpoint on it.
IIRC the problem was that thread-local storage was not thread-local at all.
Paolo
next prev parent reply other threads:[~2012-02-16 11:02 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-15 1:59 [Qemu-devel] [Bug 932487] [NEW] win32: git rev 59f971d crashes when accessing disk (coroutine issue) Roy Tam
2012-02-15 7:15 ` [Qemu-devel] [Bug 932487] " Roy Tam
2012-02-16 9:34 ` [Qemu-devel] [Bug 932487] [NEW] " Stefan Hajnoczi
2012-02-16 10:34 ` Kevin Wolf
2012-02-16 10:56 ` Roy Tam
2012-02-16 11:01 ` Paolo Bonzini [this message]
2012-02-16 11:15 ` Kevin Wolf
2012-02-16 13:13 ` Roy Tam
2012-02-16 16:05 ` Paolo Bonzini
2012-02-16 20:31 ` [Qemu-devel] [Bug 932487] " Stefan Weil
2012-02-16 20:42 ` Stefan Weil
2012-02-17 0:53 ` Roy Tam
2012-02-17 1:00 ` Roy Tam
2012-02-27 16:04 ` Paolo Bonzini
2012-02-27 15:17 ` Eric Lassauge
2012-03-20 6:38 ` Roy Tam
2012-03-20 9:07 ` Stefan Weil
2012-03-20 9:35 ` Roy Tam
2012-03-20 9:57 ` Paolo Bonzini
2016-12-11 7:19 ` Stefan Weil
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