Can't exclude unnecessary pages for 2.6.31 Kernel

CAI Qian caiqian at
Fri Oct 2 04:29:38 EDT 2009

From: "Ken'ichi Ohmichi" <oomichi at>
Subject: Re: Can't exclude unnecessary pages for 2.6.31 Kernel
Date: Fri, 02 Oct 2009 16:30:37 +0900

> Hi CAI,
> CAI Qian wrote:
>>>>> I created the patch for catching this change.
>>>>> Could you try the attached patch ?
>>>> It does make -d 16 works without errors. However, the crash utility
>>>> failed to read it (the log attached), but the full VMCore is working
>>>> fine there.
>>>> crash: page excluded: kernel virtual address: ffffffff819f1764 type:
>>>>        "tss_struct ist array"
>>> I can not reproduce the above problem, and I want to reproduce this
>>> problem on my machine for investigating it.
>>> Could you send your kernel .config file ?
>> Sure. Attached.
> Thank you.
> I'm making a linux-2.6.31 kernel by your .config file.
>> Not sure if this the crash utility problem or not, FYI
>> it was reproduced using the latest upstream version.
> Is "the latest upstream version" 2.6.32-rc1 ?

Sorry, I have not made my self clearly. I mean the latest upstream
version of the crash utility.

The kernel is 2.6.31.

CAI Qian

> Thanks
> Ken'ichi Ohmichi

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