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* Re: Bad, bad, bad VM behaviour in 2.4.10
  2001-09-25 21:17 Bad, bad, bad VM behaviour in 2.4.10 Juan
@ 2001-09-25 20:03 ` Marcelo Tosatti
  2001-09-25 21:52   ` khromy
                     ` (2 more replies)
  2001-09-26 15:23 ` Dan Mann
  1 sibling, 3 replies; 8+ messages in thread
From: Marcelo Tosatti @ 2001-09-25 20:03 UTC (permalink / raw)
  To: Juan; +Cc: kernel list


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
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
> 


^ permalink raw reply	[flat|nested] 8+ messages in thread

* Bad, bad, bad VM behaviour in 2.4.10
@ 2001-09-25 21:17 Juan
  2001-09-25 20:03 ` Marcelo Tosatti
  2001-09-26 15:23 ` Dan Mann
  0 siblings, 2 replies; 8+ messages in thread
From: Juan @ 2001-09-25 21:17 UTC (permalink / raw)
  To: kernel list

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

^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: Bad, bad, bad VM behaviour in 2.4.10
  2001-09-25 22:08   ` Juan
@ 2001-09-25 21:23     ` Marcelo Tosatti
  2001-09-26 10:36       ` Juan
  0 siblings, 1 reply; 8+ messages in thread
From: Marcelo Tosatti @ 2001-09-25 21:23 UTC (permalink / raw)
  To: Juan; +Cc: kernel list



On Wed, 26 Sep 2001, Juan wrote:

> Marcelo Tosatti escribió:
> > 
> > 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 ?
> Yes, the /dev/hda6 partition, that is 257000 KB in size.
> 
> > 
> > If so, there was available anonymous memory to be swapped out ?
> 
> Anonymous memory? Sorry, but I do not understand this question. Could
> you redo it?

By anynomymous memory I mean memory which is not disk cache (ie is not
data which is going to be written to the filesystem): Program data. 


^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: Bad, bad, bad VM behaviour in 2.4.10
  2001-09-25 20:03 ` Marcelo Tosatti
@ 2001-09-25 21:52   ` khromy
  2001-09-25 22:08   ` Juan
  2001-09-26  8:05   ` Jacek Popławski
  2 siblings, 0 replies; 8+ messages in thread
From: khromy @ 2001-09-25 21:52 UTC (permalink / raw)
  To: Marcelo Tosatti; +Cc: linux-kernel

On Tue, Sep 25, 2001 at 05:03:35PM -0300, Marcelo Tosatti wrote:
> 
> 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 ?
> 

I too had this but it only happend when I did a '/bin/ls' in /usr/doc/grub.. It
would start taking up all my memory and swap until it would kill 'ls'.. I could
reproduce it more than once until it killed X.  After that it hasn't
happend again.

I have 187MB of ram and 191MB of swap.

I got the following output by running vmstat 1 and then doing the /bin/ls in
/usr/doc/grub.

vmstat 1
   procs                      memory    swap          io     system         cpu
 r  b  w   swpd   free   buff  cache  si  so    bi    bo   in    cs  us  sy  id
 1  0  0  34924 158256    452  13352   5  43    20    46  813   436   2   4  93
 0  0  0  34924 158212    452  13368   0   0    12     0  830   329   1   5  94
 0  0  0  34924 158212    452  13368   0   0     0     0  903   422   0   6  94
 0  0  0  34924 158212    452  13368   0   0     0     0  870   512   6   5  89
 0  0  0  34920 158208    452  13368   4   0     4     0  842   389   2   2  96
 1  0  0  34920 138928    456  13368  24   0    25     0  813   353  18  13  70
 1  0  0  34920  61936    456  13368   0   0     0     0  960   437  40  60   0
 1  0  1  36008   1728    284   5520   0 444    56   458  907   459  49  47   4
 2  0  1  42036   1912    260   5156  68 5692   219  5717 1159   436   4   8  89
 2  0  1  48604   2668    268   5144 452 6144   574  6149  992   440   5  10  85
 0  2  1  55200   2872    268   5200 376 7008   576  7012  984   510   7  15  78
 4  0  1  60244   1664    264   5356 236 4768   480  4768 1096   544   4  13  83
 0  2  1  65724   2496    272   5260 260 5984   337  5993 1037   488   8  12  80
 0  1  0  74408   3580    260   5224  16 8188    62  8200  987   485   7  15  78
 1  0  1  81052   2036    260   5224  16 7172    67  7173 1003   441   6  15  79
 1  0  1  90780   2900    260   5224   0 9376    54  9389 1095   441   6  12  82
 0  1  1 100508   3064    256   5224   0 9312    41  9309  997   451   4  17  79
 1  0  1 109212   2112    260   5232   0 8700    52  8713 1011   436  12  11  77
 1  0  1 117404   1732    260   5224   0 8708    38  8708 1006   437   3  23  75
 1  1  1 126104   1788    256   5232  16 8700    67  8710 1274   448   5  17  78
 1  0  1 136344   3068    260   5224   0 9656    46  9657 1390   473   6  20  75
   procs                      memory    swap          io     system         cpu
 r  b  w   swpd   free   buff  cache  si  so    bi    bo   in    cs  us  sy  id
 1  2  0 144024   3580    264   5232   0 8444    47  8452 1043   449   7  10  83
 0  1  0 154264   3580    260   5224   0 10240    48 10250 1031   450   6  19  75
 1  0  1 163480   1780    264   5232   0 9456    50  9456 1011   454   7  18  75
 0  2  1 174224   2028    264   5240 128 10004   187 10009 1025   467   5  19  76
 1  2  1 179256   2668    264   5328 312 5376   904  5381  980   493   8  12  80
 0  2  1 185804   2572    272   5328 304 6152   415  6156  957   469   5  11  84
 0  2  1 188852   2036    272   5336  60 3372    92  3372  992   407   1  12  87
 0  1  1 193972   2112    264   5332   0 4868    33  4877  988   363   4  11  85
 1  0  1 196016   2600    292   5332  64 2200   103  2200 1031   431   2   8  90
 0  6  0  35300 177700    296   3696 3824 6788 19989  6809 9342  1920   1  29  70
 1  4  0  34852 174540    316   5664 956   0  2690     0  969   209   2   6  92
 1  1  0  34276 171868    336   7392 712   0  2459     0  996   221   1   5  94
 0  1  0  32704 168616    376   8424 1920   0  3370     0  990   315   0   5  95
 0  5  0  29784 165524    412   9100 2200   0  2902     0  967   297   4   6  90
 0  4  0  25012 162484    432  10596 1620   0  3141     0  942   249   5   8  87
 0  5  0  24636 159452    456  12108 1244   0  2767     0  927   172   0   5  95
 0  7  2  21472 156856    480  13288 2120   0  3316     0  951   238   1   6  93

output from dmesg:

lloc_pages: 0-order allocation failed (gfp=0x1d2/0) from c012903e
VM: killing process ls
__alloc_pages: 0-order allocation failed (gfp=0x1d2/0) from c012903e
VM: killing process ls
__alloc_pages: 0-order allocation failed (gfp=0x1d2/0) from c012903e
VM: killing process xmms
__alloc_pages: 0-order allocation failed (gfp=0x1d2/0) from c012903e
VM: killing process sawfish
__alloc_pages: 0-order allocation failed (gfp=0x1d2/0) from c012903e
VM: killing process gpm
__alloc_pages: 0-order allocation failed (gfp=0x1d2/0) from c012903e
VM: killing process klogd
__alloc_pages: 0-order allocation failed (gfp=0x1d2/0) from c012903e
VM: killing process xchat
__alloc_pages: 0-order allocation failed (gfp=0x1d2/0) from c012903e
VM: killing process gaim
__alloc_pages: 0-order allocation failed (gfp=0x1d2/0) from c012903e
__alloc_pages: 0-order allocation failed (gfp=0x1d2/0) from c012903e
VM: killing process ls

-- 
L1:	khromy		;khromy at lnuxlab.ath.cx

^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: Bad, bad, bad VM behaviour in 2.4.10
  2001-09-25 20:03 ` Marcelo Tosatti
  2001-09-25 21:52   ` khromy
@ 2001-09-25 22:08   ` Juan
  2001-09-25 21:23     ` Marcelo Tosatti
  2001-09-26  8:05   ` Jacek Popławski
  2 siblings, 1 reply; 8+ messages in thread
From: Juan @ 2001-09-25 22:08 UTC (permalink / raw)
  To: Marcelo Tosatti; +Cc: kernel list

Marcelo Tosatti escribió:
> 
> 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 ?
Yes, the /dev/hda6 partition, that is 257000 KB in size.

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

Anonymous memory? Sorry, but I do not understand this question. Could
you redo it?

Bye! 

-- 
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

^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: Bad, bad, bad VM behaviour in 2.4.10
  2001-09-25 20:03 ` Marcelo Tosatti
  2001-09-25 21:52   ` khromy
  2001-09-25 22:08   ` Juan
@ 2001-09-26  8:05   ` Jacek Popławski
  2 siblings, 0 replies; 8+ messages in thread
From: Jacek Popławski @ 2001-09-26  8:05 UTC (permalink / raw)
  To: linux-kernel

On Tue, Sep 25, 2001 at 05:03:35PM -0300, Marcelo Tosatti wrote:
> 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 ?

As I wrote before - on my system this problem appear even when swap is on, and
there is enough swap, but not enought RAM (i.e. when system just starts using
swap...).


^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: Bad, bad, bad VM behaviour in 2.4.10
  2001-09-25 21:23     ` Marcelo Tosatti
@ 2001-09-26 10:36       ` Juan
  0 siblings, 0 replies; 8+ messages in thread
From: Juan @ 2001-09-26 10:36 UTC (permalink / raw)
  To: Marcelo Tosatti; +Cc: kernel list

Marcelo Tosatti escribió:
> 
> On Wed, 26 Sep 2001, Juan wrote:
> 
> > Marcelo Tosatti escribió:
> > >
> > > 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 ?
> > Yes, the /dev/hda6 partition, that is 257000 KB in size.
> >
> > >
> > > If so, there was available anonymous memory to be swapped out ?
> >
> > Anonymous memory? Sorry, but I do not understand this question. Could
> > you redo it?
> 
> By anynomymous memory I mean memory which is not disk cache (ie is not
> data which is going to be written to the filesystem): Program data.

Well, every program has data that can be swapped out. Perhaps, you want
to know if I run programs which allocate big chunks of memory. No. I run
X-Windows+KDE2+XMMS+something else (sendmail, named, gpm). You can see
which programs were killed by the VM system in my first e-mail.

-- 
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

^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: Bad, bad, bad VM behaviour in 2.4.10
  2001-09-25 21:17 Bad, bad, bad VM behaviour in 2.4.10 Juan
  2001-09-25 20:03 ` Marcelo Tosatti
@ 2001-09-26 15:23 ` Dan Mann
  1 sibling, 0 replies; 8+ messages in thread
From: Dan Mann @ 2001-09-26 15:23 UTC (permalink / raw)
  To: Juan, kernel list

I get the same thing.  I have perfect behavior with the stock RedHat 7.2
kernel.

Dan

----- Original Message -----
From: "Juan" <piernas@ditec.um.es>
To: "kernel list" <linux-kernel@vger.kernel.org>
Sent: Tuesday, September 25, 2001 5:17 PM
Subject: Bad, bad, bad VM behaviour in 2.4.10


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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^ permalink raw reply	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2001-09-26 15:23 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2001-09-25 21:17 Bad, bad, bad VM behaviour in 2.4.10 Juan
2001-09-25 20:03 ` Marcelo Tosatti
2001-09-25 21:52   ` khromy
2001-09-25 22:08   ` Juan
2001-09-25 21:23     ` Marcelo Tosatti
2001-09-26 10:36       ` Juan
2001-09-26  8:05   ` Jacek Popławski
2001-09-26 15:23 ` Dan Mann

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