linux-kernel - Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)

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Date:	Wed, 1 Aug 2007 08:47:22 -0700
From:	"Nish Aravamudan" <nish.aravamudan@...il.com>
To:	"Zan Lynx" <zlynx@....org>
Cc:	"Randy Dunlap" <randy.dunlap@...cle.com>,
	"Linux Kernel" <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)

On 7/31/07, Zan Lynx <zlynx@....org> wrote:
> On Tue, 2007-07-31 at 15:02 -0700, Randy Dunlap wrote:
> > On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote:
> >
> > > I was playing with huge pages and libhugetlbfs.  Small programs like
> > > "ls" work fine.  I tried running Evolution through libhugetlbfs and the
> > > system slowly stops running.  One interesting thing is the "ps" command,
> > > it gets stuck like this:
> >
> > Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1?
>
> D'oh!  I mean 2.6.23-rc1-mm1, the 22 was a typo.  Cut & paste to be
> sure:
> Linux zephyr 2.6.23-rc1-mm1 #1 SMP PREEMPT Wed Jul 25 17:33:04 MDT 2007
> x86_64 AMD Athlon(tm) 64 Processor 3400+ AuthenticAMD GNU/Linux

Hrm -- if you kill Evolution does the system come back? Or is it
unkillable/unusable. I guess you were able to run ps at the same time.

What is Evolution doing (sysrq+t)? For that matter, what was the
output from libhuge?

Thanks,
Nish
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