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/
------------------------------------------------------------------------------
Get 100% visibility into Java/.NET code with AppDynamics Lite!
It's a free troubleshooting tool designed for production.
Get down to code-level detail for bottlenecks, with <2% overhead.
Download for free and get started troubleshooting in minutes.
http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20130809211512.GB10864@redhat.com \
--to=rjones@redhat.com \
--cc=user-mode-linux-devel@lists.sourceforge.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.