All of lore.kernel.org
 help / color / mirror / Atom feed
From: Jan Marten Simons <marten@xtal.rwth-aachen.de>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Two quick requests.
Date: Mon, 12 Feb 2007 19:17:42 +0100	[thread overview]
Message-ID: <45D0AF46.8080909@xtal.rwth-aachen.de> (raw)
In-Reply-To: <200702121227.47557.rob@landley.net>

Rob Landley schrieb:
> On Friday 09 February 2007 6:06 pm, Paul Brook wrote:
>   
>>> Sure, but there are plenty of other ways to accidentally mess up the
>>> permissions of a disk image file. A while back I had to strace qemu to
>>> figure out why file modifications were vanishing after rebooting the
>>> VM; the culprit turned out to be an unrelated script that had set the
>>> image file's mode to 444.
>>>       
>> If you really want to do this, do it properly. Make it an error to use a ro 
>> image if the user [implicitly] requests rw access.
>>     
>
> If there's no middle ground between "silently misbehave" and "refuse to start 
> if anything _might_ be wrong", then why does current qemu warn about the 1024 
> hz thing?
>
> Just curious.  Refusing to start would have saved me a day's debugging time, 
> just like the warning would have...
>
> Rob
>   
I think adding a simple (suppressable) warning on startup would be 
sufficient in case of a ro image.

Jan

  parent reply	other threads:[~2007-02-12 18:17 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-09 22:19 [Qemu-devel] Two quick requests Rob Landley
2007-02-09 22:27 ` Paul Brook
2007-02-09 22:33   ` Rob Landley
2007-02-09 22:33   ` Dan Shearer
2007-02-09 22:48     ` Paul Brook
2007-02-09 22:59       ` Ed Swierk
2007-02-09 23:06         ` Paul Brook
2007-02-10 15:37           ` Daniel Jacobowitz
2007-02-12 17:27           ` Rob Landley
2007-02-12 17:45             ` Paul Brook
2007-02-12 18:17             ` Jan Marten Simons [this message]
2007-02-10 11:53       ` CAP_NET_ADMIN (was Re: [Qemu-devel] Two quick requests.) Kevin F. Quinn
2007-02-10 15:11         ` Paul Brook
2007-02-12  9:49           ` Chris Friedhoff
2007-02-12 23:25 ` [Qemu-devel] QEMU and SMP Option on dual core processor Danny Chieh-Yao, Cheng

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=45D0AF46.8080909@xtal.rwth-aachen.de \
    --to=marten@xtal.rwth-aachen.de \
    --cc=qemu-devel@nongnu.org \
    /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.