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Hi,


I too tested to stress the new VM
Quintelas mmap002 "deadlocks" for me.
PPro, 96 MB, UP

active: 22337 (I think this varies, have too lock a 2nd time)
inactive_dirty: 324 varies
inactive_clean: 0
free: 288
... 1x 512 = 512 kB
... 2 x 16 + 1 x 32 + 1 x 64 = 640 kB

My feeling when looking at Alt-SysRq-M was
that pages was moved between Active and
idle_dirty - will look into this.

There is no 'if (current->need_resched) schedule()'
in this code - if kswapd starts too loop...


PS
Now I am back from my vacation period...
DS


Rik van Riel wrote:
>
> On Tue, 19 Sep 2000, Anton Petrusevich wrote:
>
> > please, check carefully Rik's VM patch, it definitly contains a
> > deadlock, which can be seen on low-memory computers. Try mem=8m. I
> > wasn't able to use any Rik patch since against -test8 (-t8-vmpatch{2,4},
> > -test9-pre{1,2}). It boots fine(mem=16m), but then stalls begin for some
> > time and for infinitive time at last. I told Rik about it, he tried to
> > fix but wasn't successful.
> >
> > With mem=8m it couldn't finish init scripts even.
>
> I /thought/ I had fixed this, since the system runs fine
> on my (SMP, SCSI) test machine when I boot it with mem=8m.
>
> Somebody on IRC suggested to me that this may be an UP-only
> bug ... I'm looking into this and hope to fix it soon, but
> I have to admit some help would be welcome ;)
>
> (I'm still at Linux Kongress and won't be back in the office
> for about a week)
>
> regards,
>
> Rik
> --
> "What you're running that piece of shit Gnome?!?!"
> -- Miguel de Icaza, UKUUG 2000
>
> http://www.conectiva.com/ http://www.surriel.com/
>
> -
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