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From: Ravikiran G Thirumalai <kiran@scalex86.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Yinghai Lu <yinghai@kernel.org>,
	Cyrill Gorcunov <gorcunov@gmail.com>,
	linux-kernel@vger.kernel.org, shai@scalex86.org,
	Suresh Siddha <suresh.b.siddha@intel.com>
Subject: Re: [patch] x86: 2.6.31-rc7 crash due to buggy flat_phys_pkg_id
Date: Tue, 25 Aug 2009 12:53:45 -0700	[thread overview]
Message-ID: <20090825195345.GF6456@localdomain> (raw)
In-Reply-To: <20090825191231.GA22821@elte.hu>

On Tue, Aug 25, 2009 at 09:12:31PM +0200, Ingo Molnar wrote:
>
>* Linus Torvalds <torvalds@linux-foundation.org> wrote:
>
>
>Furthermore, commit 2759c3287 did not declare any side-effects and 
>clearly causes a side-effect on vSMP which apparently has an 
>overlapping set of initial APIC ids.
>
>Ravikiran, your patch does not do a clear revert of this bit though. 
>If you do a plain revert of the line above alone, does that fix the 
>problem too?
>

Yes it does.  However, it probably reads local apic id when it shouldn't.

I am right now trying out the other patch Yinghai posted (based on
is_vsmp_box()), and report results in a few.


  parent reply	other threads:[~2009-08-25 19:53 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-24 18:26 [patch] x86: 2.6.31-rc7 crash due to buggy flat_phys_pkg_id Ravikiran G Thirumalai
2009-08-24 23:53 ` Yinghai Lu
2009-08-25  0:27   ` Yinghai Lu
2009-08-25  1:38     ` Ravikiran G Thirumalai
2009-08-25  5:03       ` Yinghai Lu
2009-08-25  1:26   ` Ravikiran G Thirumalai
2009-08-25  5:12     ` Yinghai Lu
2009-08-25 17:17       ` Ravikiran G Thirumalai
2009-08-25 18:15         ` Ingo Molnar
2009-08-25 18:31           ` Cyrill Gorcunov
2009-08-25 18:50             ` Yinghai Lu
2009-08-25 18:57               ` Linus Torvalds
2009-08-25 19:12                 ` Ingo Molnar
2009-08-25 19:17                   ` Yinghai Lu
2009-08-25 19:24                     ` Ingo Molnar
2009-08-25 20:36                       ` Ravikiran G Thirumalai
2009-08-25 20:44                         ` [PATCH] x86: fix vsmp booting with phys_pkg_id changing Yinghai Lu
2009-08-26  8:08                           ` Ingo Molnar
2009-08-26  8:15                           ` [tip:x86/urgent] x86: Fix vSMP boot crash tip-bot for Yinghai Lu
2009-08-25 19:53                   ` Ravikiran G Thirumalai [this message]
2009-08-25 18:59               ` [patch] x86: 2.6.31-rc7 crash due to buggy flat_phys_pkg_id Cyrill Gorcunov
2009-08-25 19:27               ` Ravikiran G Thirumalai
2009-08-25 19:33                 ` Ingo Molnar
2009-08-25 19:36                 ` Yinghai Lu
2009-08-25 19:20             ` Ravikiran G Thirumalai
2009-08-25 19:26               ` Ingo Molnar
2009-08-25 19:40               ` Cyrill Gorcunov
2009-08-25 18:35           ` Yinghai Lu

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