From: William Lee Irwin III <wli@holomorphy.com>
To: sparclinux@vger.kernel.org
Subject: Re: [PATCH]: Fix for sparc64 SMP boot failures
Date: Sun, 05 Dec 2004 05:07:36 +0000 [thread overview]
Message-ID: <20041205050736.GO2714@holomorphy.com> (raw)
In-Reply-To: <20041204201211.33b4b0f9.davem@davemloft.net>
On Sat, Dec 04, 2004 at 08:12:11PM -0800, David S. Miller wrote:
> This bug has been around for quite some time, is present
> in both 2.4.x and 2.6.x, and only triggers sporadically.
> It depends upon the size of the kernel image and how the
> BSS section is layed out. Specifically both of the following
> conditions must hold to hit the bug:
> 1) The kernel must be > 4MB in size. You can check this via
> looking at System.map for the kernel image and checking
> if the final symbol "_end" is at an address >= 0x800000
> 2) The object "p1275buf" must cross a PAGE_SIZE (8K) boundary.
> If this is true, secondary cpus will not boot up and instead
> will hang in the kernel TLB miss handler.
> The attached patches for 2.4.x and 2.6.x fix the problem and I'll
> be pushing these upstream right after this email goes out.
I'll spin this up for a test. I'll try to beef up my .config for
the occasion.
-- wli
next prev parent reply other threads:[~2004-12-05 5:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-05 4:12 [PATCH]: Fix for sparc64 SMP boot failures David S. Miller
2004-12-05 5:07 ` William Lee Irwin III [this message]
2004-12-05 23:33 ` Ben Collins
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=20041205050736.GO2714@holomorphy.com \
--to=wli@holomorphy.com \
--cc=sparclinux@vger.kernel.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.