From: "Richard W.M. Jones" <rjones@redhat.com>
To: Richard Weinberger <richard@nod.at>
Cc: user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] Using UML in libguestfs
Date: Fri, 9 Aug 2013 22:24:57 +0100 [thread overview]
Message-ID: <20130809212457.GC10864@redhat.com> (raw)
In-Reply-To: <52055CA0.2090301@nod.at>
On Fri, Aug 09, 2013 at 11:18:24PM +0200, Richard Weinberger wrote:
> Am 09.08.2013 23:15, schrieb Richard W.M. Jones:
> > On Fri, Aug 09, 2013 at 09:43:55PM +0100, Richard W.M. Jones wrote:
> >> * I'm trying to use a serial port to communicate between guest and
> >> host, using ssl3=fd:<N>. This causes the Linux process to crash soon
> >> (but not immediately) after the guest has opened /dev/ttyS3:
> >>
> >> spurious interrupt in ubd_handler, err = -4
> >
> > So I realized this is caused by a coding mistake by me. I had set to
> > O_CLOEXEC flag on the file descriptor, so it was being closed across
> > the exec of vmlinux.
> >
> > It still doesn't quite work, but the error above has gone away.
>
> So you are still facing the crash are reported in your first mail?
No, the crash has gone away. There's now a protocol error which I'm
trying to get to the bottom of. Perhaps /dev/ttyS<N> isn't 8 bit clean..?
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Fedora Windows cross-compiler. Compile Windows programs, test, and
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next prev parent reply other threads:[~2013-08-09 21:25 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-09 20:43 [uml-devel] Using UML in libguestfs Richard W.M. Jones
2013-08-09 20:57 ` richard -rw- weinberger
2013-08-09 21:31 ` Richard W.M. Jones
2013-08-10 4:16 ` Mattia Dongili
2013-08-09 21:15 ` Richard W.M. Jones
2013-08-09 21:18 ` Richard Weinberger
2013-08-09 21:24 ` Richard W.M. Jones [this message]
2013-08-11 19:05 ` Geert Uytterhoeven
2013-08-11 19:27 ` Richard W.M. Jones
2013-08-13 11:16 ` Geert Uytterhoeven
2013-08-14 17:59 ` [uml-devel] Performance tests (was: Using UML in libguestfs) Richard W.M. Jones
2013-08-15 17:37 ` richard -rw- weinberger
2013-08-15 17:59 ` Richard W.M. Jones
2013-08-15 18:41 ` richard -rw- weinberger
2013-08-15 18:59 ` Richard W.M. Jones
2013-08-15 20:31 ` richard -rw- weinberger
2013-08-16 7:54 ` Richard W.M. Jones
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