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Message-ID: <86802c440808241229m16440f68gb8961706473447cb@mail.gmail.com>
Date: Sun, 24 Aug 2008 12:29:11 -0700
From: "Yinghai Lu" <yhlu.kernel@...il.com>
To: "David Witbrodt" <dawitbro@...global.net>
Cc: "Ingo Molnar" <mingo@...e.hu>,
"Linux-kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: HPET regression in 2.6.26 versus 2.6.25 -- found another user with the same regression
On Sun, Aug 24, 2008 at 6:05 AM, David Witbrodt <dawitbro@...global.net> wrote:
>
>
>> > - Is there any chance I can get it into the stable 2.6.26.X updates?
>> > (Who should I ask, or are only developers allowed to lobby for this
>> > sort of thing?)
>>
>> after the patch get into linus tree. Greg will put the patch into 2.6.26.X
>
> OK, thanks a bunch.
>
>
>> > - Are you worried about the potential problems of a quirk-based approach?
>> > What if many more people experience a similar regression once 2.6.26 or
>> > later appears in their distribution? I'm sure you don't want to have to
>> > write a different quirk for each individual's hardware, and this problem
>> > did not arise with the approach used for resource management in 2.6.25.
>>
>> this patch should be safe.
>>
>> 2.6.26 is fixing one bug about reserving local apic address and that
>> in e820 table.
>> and it reveals one bios bug.
>
> Correction -- it revealed at least two. See the link I posted earlier in
> this thread:
>
> http://www.uwsg.indiana.edu/hypermail/linux/kernel/0808.2/1807.html
>
> Scroll down to the line that starts with "[blog]" for the link. You can see
> the discussion I had encouraging him to come here to help us troubleshoot
> if you go to that blog and click "Comments".
>
> I only mention this as a warning, in case it could lead to a lot of extra
> problems for you later. If you're quite sure that everything is OK, then
> all I can do is thank you again and keep my fingers crossed for you and the
> kernel team that nothing bad happens when 2.6.2[67] hit the major distros.
after discussing with Ingo, we have one more generic way to detect the
same situation.
please help to verify the attached patch. ( don't apply previous patch)
YH
View attachment "check_res_with_bar.patch" of type "text/x-patch" (2031 bytes)
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