From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: xen devel <xen-devel@lists.xensource.com>
Subject: Re: pv_ops: 2.6.24.3 - no vm86_info: BAD
Date: Tue, 25 Mar 2008 08:04:35 -0700 [thread overview]
Message-ID: <47E91483.1080608@goop.org> (raw)
In-Reply-To: <1206445486.21465.17.camel@zakaz.uk.xensource.com>
Ian Campbell wrote:
> If I remember correctly this was due to the generic parts of the kernel
> trying to use sysenter because the hypervisor claimed to support it in
> 32on64 mode (by setting SEP in cpuid). However the Xen kernel side code
> wasn't present to support it.
>
Yep, that's right.
> You can try booting with "nosep" on your command line or grabbing the
> git changeset d40e705903397445c6861a0a56c23e5b2e8f9b9a (which I thought
> had been put forward for the stable kernel but I don't see it there
> now).
>
Yes, I should make sure that gets pushed out, along with the other bugfix.
Booting with "nosep" is a good workaround for the meantime.
> Lastly you could also try b8228d191b5ff7e37525846d187807d162e30464 from
> the x86.git#testing branch which actually implements sysenter support, I
> don't know which other changesets that one depends on though.
>
I think its fairly independent of everything else.
J
prev parent reply other threads:[~2008-03-25 15:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-25 1:35 pv_ops: 2.6.24.3 - no vm86_info: BAD Christopher S. Aker
2008-03-25 11:44 ` Ian Campbell
2008-03-25 15:04 ` Jeremy Fitzhardinge [this message]
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=47E91483.1080608@goop.org \
--to=jeremy@goop.org \
--cc=Ian.Campbell@citrix.com \
--cc=xen-devel@lists.xensource.com \
/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.