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SubjectRe: Bad, bad, bad VM behaviour in 2.4.10

Juan,

It is a known problem which we are looking into.

I need some information which may help confirm a guess of mine:

Do you have swap available ?

If so, there was available anonymous memory to be swapped out ?

On Tue, 25 Sep 2001, Juan wrote:

> Hi!
>
> My test is very simple. I have started X-Window and XMMS in order to
> listen to some songs. Then, I have executed
>
> dd if=/dev/hdc1 of=/dev/null
>
> as root within a terminal, and I have got the following a few seconds
> later:
>
> Sep 25 22:05:55 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:00 localhost last message repeated 2 times
> Sep 25 22:06:00 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0xf0/0) from c012ff60
> Sep 25 22:06:00 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:00 localhost last message repeated 2 times
> Sep 25 22:06:00 localhost kernel: VM: killing process xmms
> Sep 25 22:06:00 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:04 localhost last message repeated 11 times
> Sep 25 22:06:04 localhost kernel: VM: killing process xmms
> Sep 25 22:06:04 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:04 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:04 localhost kernel: VM: killing process kmix
> Sep 25 22:06:04 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:04 localhost last message repeated 2 times
> Sep 25 22:06:04 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0xf0/0) from c012ff60
> Sep 25 22:06:04 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:04 localhost last message repeated 3 times
> Sep 25 22:06:04 localhost kernel: VM: killing process gpm
> Sep 25 22:06:05 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:06 localhost last message repeated 6 times
> sep 25 22:06:06 localhost su(pam_unix)[2548]: session closed for user
> root
> Sep 25 22:06:06 localhost kernel: VM: killing process sendmail
> Sep 25 22:06:07 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:07 localhost kernel: VM: killing process konsole
> Sep 25 22:06:07 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:07 localhost kernel: VM: killing process named
> Sep 25 22:06:07 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:07 localhost kernel: VM: killing process xmms
> Sep 25 22:06:07 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:07 localhost last message repeated 3 times
> Sep 25 22:06:07 localhost kernel: VM: killing process ksmserver
> Sep 25 22:06:07 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:07 localhost kernel: VM: killing process kdeinit
> Sep 25 22:06:08 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:08 localhost kernel: VM: killing process X
> Sep 25 22:06:08 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0xf0/0) from c012ff60
> Sep 25 22:06:08 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> f60
> Sep 25 22:06:08 localhost last message repeated 2 times
> Sep 25 22:06:08 localhost kernel: VM: killing process kdeinit
> Sep 25 22:06:08 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:08 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:08 localhost kernel: VM: killing process startkde
> Sep 25 22:06:09 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:09 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
> Sep 25 22:06:09 localhost kernel: VM: killing process named
> Sep 25 22:06:09 localhost kernel: __alloc_pages: 0-order allocation
> failed (gfp=0x1d2/0) from c012ff60
>
> The /dev/hdc1 partition capacity is 6 GB. My root partition is on
> /dev/hda5. My computer is a Pentium III with 384 MB of RAM.
>
> BTW, the same test in 2.4.6 works fine without any problem.
>
> Regards.
>
>
> --
> D. Juan Piernas Cánovas
> Departamento de Ingeniería y Tecnología de Computadores
> Facultad de Informática. Universidad de Murcia
> Campus de Espinardo - 30080 Murcia (SPAIN)
> Tel.: +34968367657 Fax: +34968364151
> email: piernas@ditec.um.es
> PGP public key:
> http://pgp.rediris.es:11371/pks/lookup?search=piernas%40ditec.um.es&op=index
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