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From: Mark Rustad <mrustad@gmail.com>
To: Chris Rankin <rankincj@yahoo.com>
Cc: Alan <alan@lxorguk.ukuu.org.uk>, linux-kernel@vger.kernel.org
Subject: Re: 2.6.18-stable release plans?
Date: Wed, 24 Jan 2007 21:05:04 -0600	[thread overview]
Message-ID: <973C1FB2-7B4D-4A46-B5DA-4B04AB3444F6@gmail.com> (raw)
In-Reply-To: <559149.89346.qm@web52906.mail.yahoo.com>

On Jan 24, 2007, at 5:45 PM, Chris Rankin wrote:
>> --- Mark Rustad <mrustad@gmail.com> wrote:
>> Exactly. Halting use of a version of the kernel based on a single
>> incident provides no insight to the source of the problem. It could
>> be anything...
>
> There is a world of difference between a polite request for more  
> information (although I gave you
> everything I had), and fobbing someone off with a story about  
> cosmic rays.

I'm sorry. I didn't mean to imply anything like that. I just happened  
to notice that the date of the bug report appeared to correlate  
pretty well with one of the solar flare events last month. I was  
really trying to share some information that just conceivably might  
have been related, based on the earlier messages in this thread  
regarding memory errors.

I don't normally follow solar activity. I have been looking into some  
system failures that happened last month. The systems had been  
running with all bus error detection enabled – the hardware set to  
spontaneously reboot on any uncorrectable error. Since our systems  
are redundant, performing a reset simply means that the redundant  
partner will take over, so the reset is the best way to be certain  
that there is no data corruption. I eventually recalled a radio  
report last month about a coronal mass ejection on the sun and how  
things might be disrupted here. I checked out www.spaceweather.com  
and found that December was a very active month, with three separate  
X-class flares. I have no way to conclude that the failures that I  
have seen were influenced by events on the sun, but it seems  
possible. Compared to our systems, most PCs and even much server- 
class hardware systems are likely to corrupt a bit just keep on going.

We'll never know if any of these things were correlated with the  
solar flares because they all seem to be one-off failures. I do find  
it interesting though. Our systems seem to be doing statistically  
better this month. What do you think?

-- 
Mark Rustad, MRustad@mac.com




  parent reply	other threads:[~2007-01-25  3:05 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-24 15:53 Chris Rankin
2007-01-24 16:12 ` Hugh Dickins
2007-01-24 17:33   ` Chris Rankin
2007-01-24 16:28 ` Mark Rustad
2007-01-24 22:37   ` Chris Rankin
2007-01-24 23:11     ` Alan
2007-01-24 23:05       ` Chris Rankin
2007-01-24 23:32       ` Mark Rustad
2007-01-24 23:45         ` Chris Rankin
2007-01-25  1:00           ` Ken Moffat
2007-01-25  9:16             ` Chris Rankin
2007-01-25 19:36               ` Ken Moffat
2007-01-26 13:02                 ` Chris Rankin
2007-01-25 23:26               ` Alistair John Strachan
2007-01-25  3:05           ` Mark Rustad [this message]
2007-01-25 21:04       ` Matt Mackall
2007-02-02  4:02     ` Valdis.Kletnieks
2007-02-02  6:47       ` Jon Masters
2007-02-02  8:17         ` Valdis.Kletnieks
     [not found] <BC3E207A-1A56-4032-9619-910E80281E9C@gmail.com>
2007-01-25  8:51 ` Chris Rankin
  -- strict thread matches above, loose matches on Subject: below --
2007-01-24 15:06 Chris Rankin
2007-01-24 15:40 ` Hugh Dickins
2007-01-24 13:30 Chris Rankin
2007-01-24 14:37 ` Hugh Dickins
2007-01-22 22:13 Chuck Ebbert
2007-01-23  0:23 ` Jesper Juhl
2007-01-23 20:33   ` Chuck Ebbert
2007-01-23 20:56     ` Adrian Bunk
2007-01-24  4:50   ` Daniel Barkalow

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