Re: frequent lockups in 3.18rc4

From: Gene Heskett
Date: Sat Dec 06 2014 - 00:11:00 EST

On Friday 05 December 2014, Linus Torvalds wrote:
>On Fri, Dec 5, 2014 at 9:15 AM, Dave Jones <davej@xxxxxxxxxx> wrote:
>> A bisect later, and I landed on a kernel that ran for a day, before
>> spewing NMI messages, recovering, and then..
>I have to admit I'm seeing absolutely nothing sensible in there.
>Call it bad, and see if bisection ends up slowly -oh so slowly -
>pointing to some direction. Because I don't think it's the hardware,
>considering that apparently 3.16 is solid. And the spews themselves
>are so incomprehensible that I'm not seeing any pattern what-so-ever.
> Linus

Sort of in the FWIW category, may not mean a thing.

I did find something in 3.16.0 that is troubling me at times, causing a
very busy quad core Phenom. But I have located the culprit in my case.

Look at your Xorg.0.log. Because the nouveau bits in the 3.16.0 kernel I'm
using are no longer 100% compatible with an Xorg install thats now 5 years
old, I am generating Xorg.0.logs that can reach 500 megabyte or more in a
couple weeks. I am trying to run down the latest Xorg I can build here on
this *buntu 10.04.4 LTS box, but haven't located a URL to get the tarball
from. Yet, its been busy here.

Cheers, Gene Heskett
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
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