Re: [BUG] Something goes wrong with timer statistics.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On tis, 2007-05-29 at 16:03 -0700, David Miller wrote:
> From: Ian Kumlien <[email protected]>
> Date: Wed, 30 May 2007 00:51:52 +0200
> 
> > On tis, 2007-05-29 at 15:44 -0700, David Miller wrote:
> > > From: "Michal Piotrowski" <[email protected]>
> > > Date: Wed, 30 May 2007 00:41:46 +0200
> > > 
> > > > On 30/05/07, David Miller <[email protected]> wrote:
> > > > > From: Ian Kumlien <[email protected]>
> > > > > Date: Tue, 29 May 2007 23:38:48 +0200
> > > > >
> > > > > > As the daystar sets, i try to play some with my new would be
> > > > > > firewall/server, but since this will be running for quite some time i
> > > > > > have been experimenting with powertop to find out what i can do to limit
> > > > > > it's power usage.
> > > > > >
> > > > > > But, if i run powertop for too long or a few times to many... this
> > > > > > happens:
> > > > > > http://pomac.netswarm.net/pics/kernel_panic.jpg
> > > > > >
> > > > > > If i don't run powertop, it is rock solid... Compiling for hours,
> > > > > > running memtest for hours etc etc...
> > > > >
> > > > > I see this same exact problem on sparc64.
> > > > 
> > > > Have you tried this patch?
> > > > http://lkml.org/lkml/2007/5/29/392
> > > 
> > > Of course, I worked with Thomas on the fix :-)
> > 
> > I dunno if this applies to me, i run a 32 bit userspace...
> 
> That patch fixes a problem on 64-bit kernels, regardless of
> userspace, when NOHZ is enabled.

Sorry, i run all 32 bit, i was on the phone while typing that, so a wee
bit distracted. Anyways, i run a nohz 32 bit kernel.

I dunno how good a intel T7200 is when it comes to 64 bit
kernel/userspace.. (Haven't really read up on it)

-- 
Ian Kumlien <pomac () vapor ! com> -- http://pomac.netswarm.net
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux