From: "Richard W.M. Jones" <rjones@redhat.com>
To: user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] Using UML in libguestfs
Date: Fri, 9 Aug 2013 22:15:12 +0100 [thread overview]
Message-ID: <20130809211512.GB10864@redhat.com> (raw)
In-Reply-To: <20130809204355.GA10864@redhat.com>
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.
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
virt-df lists disk usage of guests without needing to install any
software inside the virtual machine. Supports Linux and Windows.
http://people.redhat.com/~rjones/virt-df/
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next prev parent reply other threads:[~2013-08-09 21:15 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 [this message]
2013-08-09 21:18 ` Richard Weinberger
2013-08-09 21:24 ` Richard W.M. Jones
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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