Can't exclude unnecessary pages for 2.6.31 Kernel

[CAI Qian]

From: Dave Anderson <anderson at redhat.com>
Subject: Re: Can't exclude unnecessary pages for 2.6.31 Kernel
Date: Fri, 2 Oct 2009 10:24:05 -0400 (EDT)

> 
> ----- "Dave Anderson" <anderson at redhat.com> wrote:
> 
>> ----- "CAI Qian" <caiqian at redhat.com> wrote:
>> 
>> > From: CAI Qian <caiqian at redhat.com>
>> > Subject: Re: Can't exclude unnecessary pages for 2.6.31 Kernel
>> > Date: Fri, 02 Oct 2009 19:26:44 +0800 (CST)
>> >
>> > > Cced the crash utility maintainer.
>> > >
>> > > BZ filed -- https://bugzilla.redhat.com/show_bug.cgi?id=526749
>> > >
>> > >> 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 believe that the "tss_struct" issue is a crash bug if in fact it works
>> OK with a full vmcore.  I'll look at the vmlinux/vmcores from the BZ.
> 
> Definitely a crash utility bug -- I'll fix it in the next upstream release.
> 
> Dave
> 

After applied the patch, the problem has gone, and I can analyze the
VMCore without any problem so far.

Thanks Ken'ichi and Dave for the fixes!
CAI Qian