Re: HPET regression in 2.6.26 versus 2.6.25 -- RCU problem

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From: David Witbrodt
Date: Tuesday, August 12, 2008 - 11:59 am

> > Since this _feels_ like my problem alone, then it _feels_ like I

I didn't come here seeking to blame, I came here to help find the bug...
if there is a bug, instead of just bad hardware....  but 2.6.25 worked
just fine....  <*scratches head*>

Actually, I used to blames Gates for everything.  Now I just blame
Torvalds for everything.  He's the one who started all of this mess....



Thx.

I had a secondary agenda, though:  I use Debian, and they are talking about
using 2.6.26 in their upcoming stable release.  So, if there _is_ a bug, I
hoped to see it released before that.  They're talking about Sep. or Oct.
(Heh... Debian NEVER releases on-schedule, so there's plenty of time! ;)



Well, I'm not asking for a revert.  I'm not really asking for anything,
just passing along information, but I would like to make myself and my
machine available for anyone who does kernel work to do experiments,
tests, debugging, patches, or whatever.



OK.  Well, I certainly don't want to interfere.  I guess I wasn't really
conscious that I was slowing people down.  It's very likely that I don't
understand the process here, especially what my role should be -- since
I am not a developer, but I seem to be the only one with hardware that
exhibits the problem.



Well, I don't think the purpose of my response was to "change" anything,
but simply to point out my (possibly false) assumption that it will be
difficult or impossible to find the bug, or the broken hardware, on
machines where the kernel does not freeze.  Sometimes people overlook
obvious things, so the purpose of my post which you were responding to
was to make a second pass over potentially obvious things -- especially
for the sake of those who were not being CC'd since the beginning of the
thread 8 days ago.  If you look back over the history of this thread, 
you'll see that I was asked to provide information that had already been
provided -- which I was glad to do, but which made me wonder whether some
of the latecomers might notice something important in the posts they had
not seen.



Working on it now.  I changed my mind, though:  even if the reverted kernel
does compile and run, I still won't feel better.  I have become curious
about why that commits works on all the machines except 2 of mine.
Reverting means we may never know... which would be an unbearable conclusion
for an obsessed mind like my own!  ;)


Thanks,
Dave W.
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Re: HPET regression in 2.6.26 versus 2.6.25 -- RCU problem, David Witbrodt, (Tue Aug 12, 11:59 am)