From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Jon Mason <jon.mason@exar.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
Ramkrishna Vepa <ramkrishna.vepa@exar.com>
Subject: Re: "x86: allocate space within a region top-down" causes bar0 access issue
Date: Fri, 17 Dec 2010 11:47:21 -0800 [thread overview]
Message-ID: <20101217114721.04eafeca@jbarnes-desktop> (raw)
In-Reply-To: <20101217194457.GA4470@exar.com>
On Fri, 17 Dec 2010 13:44:58 -0600
Jon Mason <jon.mason@exar.com> wrote:
> The following patch is causing problem with the vxge driver/adapter on
> HP x86-64 systems. Reads to bar0 to return 0xffffffffffffffff instead
> of their intended value. This prevents the vxge module from loading
> by failing sanity checks in the driver for certain values in bar0. We
> are not seeing any issues with this patch on non-HP systems in our
> lab.
>
> Can this patch be removed from 2.6.37 until a better solution can be
> found?
Can you try my for-linus branch and see if the problem still exists
there? It's at
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6.git.
Thanks,
--
Jesse Barnes, Intel Open Source Technology Center
next prev parent reply other threads:[~2010-12-17 19:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-17 19:44 "x86: allocate space within a region top-down" causes bar0 access issue Jon Mason
2010-12-17 19:47 ` Jesse Barnes [this message]
2010-12-18 22:01 ` Jon Mason
2010-12-17 20:16 ` Bjorn Helgaas
2010-12-17 23:12 ` Jon Mason
2010-12-18 0:17 ` Bjorn Helgaas
2010-12-18 22:00 ` Jon Mason
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=20101217114721.04eafeca@jbarnes-desktop \
--to=jbarnes@virtuousgeek.org \
--cc=bjorn.helgaas@hp.com \
--cc=jon.mason@exar.com \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=ramkrishna.vepa@exar.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).