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SubjectRe: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
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On Wed, 2007-08-01 at 08:52 -0700, Nish Aravamudan wrote:
> On 7/31/07, Zan Lynx <zlynx@acm.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
>
> Just to confirm, still happens with -mm2?

No, it does not seem to. Evolution runs OK. ps, top, pmap all work
fine.

However, a couple of other things happened. Could be unrelated or only
loosely related.

Evolution launches spamd (spamassassin) to filter junk mail. spamd died
and I have this in dmesg to show for it:

VM: killing process spamd

spamd would have inherited the libhugetlbfs.so environment variables.
There are no other clues as to why it died though.

Also, immediately after launching evolution with libhugetlbfs, I got
that USB bug where the mouse starts creating keyboard input. I got some
of these in dmesg:
keyboard.c: can't emulate rawmode for keycode 240

That could be pure coincidence, although I had been using the system
almost all day before that, and it hadn't happened.
--
Zan Lynx <zlynx@acm.org>
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