From: "Yinghai Lu" <yhlu.kernel@gmail.com>
To: "Joshua Hoblitt" <j_kernel@hoblitt.com>
Cc: "Ingo Molnar" <mingo@elte.hu>,
"Andrew Morton" <akpm@linux-foundation.org>,
bugme-daemon@bugzilla.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [Bug 11388] New: 2.6.27-rc3 warns about MTRR range; only 3 of 16gb of memory is usable
Date: Fri, 22 Aug 2008 22:52:05 -0700 [thread overview]
Message-ID: <86802c440808222252j6f900f1dlfbf1378a7bc35ee4@mail.gmail.com> (raw)
In-Reply-To: <20080823002235.GL23377@hoblitt.com>
On Fri, Aug 22, 2008 at 5:22 PM, Joshua Hoblitt <j_kernel@hoblitt.com> wrote:
> I've confirmed that the boards in these systems are Tyan Tempest i5400PW
> (S5397)s. We've discovered a workload that will deadlock the system
> under both 2.6.24.2 and -tip kernel with the mtrr masking patch. The
> only thing unusual about this workload is that one of the binaries in
> it constantly segvs... Is it possible that these deadlocks (no kernel
> oops on console) are caused by MSR setup wierdness or is it likely unrelated?
could be other problem.
cpu should be smarter enough to understand the missing bits in mask.
at least amd cpu. remember that we didn't set mask bits to 40bits with
opteron with LinuxBIOS, and everything still works well.
YH
next prev parent reply other threads:[~2008-08-23 5:52 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-11388-27@http.bugzilla.kernel.org/>
2008-08-21 1:04 ` Andrew Morton
2008-08-21 1:20 ` Yinghai Lu
2008-08-21 1:49 ` Yinghai Lu
2008-08-21 11:44 ` Ingo Molnar
2008-08-21 11:56 ` Ingo Molnar
2008-08-21 15:39 ` Yinghai Lu
2008-08-22 3:51 ` Ingo Molnar
2008-08-22 4:45 ` Yinghai Lu
2008-08-21 20:55 ` Joshua Hoblitt
2008-08-21 21:51 ` Yinghai Lu
2008-08-21 23:33 ` Joshua Hoblitt
2008-08-22 0:10 ` Joshua Hoblitt
2008-08-22 0:28 ` Yinghai Lu
2008-08-22 0:29 ` Joshua Hoblitt
2008-08-22 1:00 ` Joshua Hoblitt
2008-08-22 1:10 ` Joshua Hoblitt
2008-08-22 1:55 ` Yinghai Lu
2008-08-22 2:15 ` Joshua Hoblitt
2008-08-22 2:26 ` Yinghai Lu
2008-08-22 3:24 ` Yinghai Lu
2008-08-22 3:50 ` Ingo Molnar
2008-08-22 3:56 ` Ingo Molnar
2008-08-22 4:48 ` Yinghai Lu
2008-08-23 0:22 ` Joshua Hoblitt
2008-08-23 5:52 ` Yinghai Lu [this message]
2008-08-23 10:43 ` Ingo Molnar
2008-08-26 8:35 ` Joshua Hoblitt
2008-08-26 8:42 ` Ingo Molnar
2008-08-25 21:43 ` Joshua Hoblitt
2008-08-22 6:16 ` Yinghai Lu
2008-08-22 6:24 ` Ingo Molnar
2008-08-23 23:53 ` Arjan van de Ven
2008-08-25 9:17 ` Ingo Molnar
2008-08-22 3:26 ` Joshua Hoblitt
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