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* complete IO hang since a few kernel revision
@ 2009-10-05  1:16 Norbert Preining
  2009-10-05  2:57 ` Ulrich Lukas
  2009-11-18  7:56 ` Linux 2.6.31 - very swap-happy with plenty of free RAM Dan Merillat
  0 siblings, 2 replies; 19+ messages in thread
From: Norbert Preining @ 2009-10-05  1:16 UTC (permalink / raw)
  To: linux-kernel

Hi everyone,

(please Cc)

kernel 2.6.31.1, 2.6.31.2rc1, 2.6.31, 2.6.30 (at least)
Intel Corporation ICH9M/M-E SATA AHCI


I am experiencing IO stalls of real serious dimensions. I mean up to 20secs
waiting for some operations.

That normally happeny when I do a svn up on a big subversion repository,
but even on other locations.

Yesterday a simple sync took 30sec although I was not doing anything else.

I am *quite* sure that it wasn't like that in former kernel revisions, but
I don't have old ones at hand for testing.

Is there something known about a regression in this area?

Sorry for not Cc-ing the right people, didn't know who it could be.

Thanks a lot for any help/remarks/suggestions

Norbert

-------------------------------------------------------------------------------
Dr. Norbert Preining                                        Associate Professor
JAIST Japan Advanced Institute of Science and Technology   preining@jaist.ac.jp
Vienna University of Technology                               preining@logic.at
Debian Developer (Debian TeX Task Force)                    preining@debian.org
gpg DSA: 0x09C5B094      fp: 14DF 2E6C 0307 BE6D AD76  A9C0 D2BF 4AA3 09C5 B094
-------------------------------------------------------------------------------
QUOYNESS (n.)
The hatefulness of words like 'relionus' and 'easiephit'.
			--- Douglas Adams, The Meaning of Liff

^ permalink raw reply	[flat|nested] 19+ messages in thread

end of thread, other threads:[~2009-12-09 21:18 UTC | newest]

Thread overview: 19+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2009-10-05  1:16 complete IO hang since a few kernel revision Norbert Preining
2009-10-05  2:57 ` Ulrich Lukas
2009-10-05  8:33   ` Norbert Preining
2009-10-06  2:00     ` Robert Hancock
2009-10-06  2:05       ` Norbert Preining
2009-10-06  7:11     ` Mike Galbraith
2009-10-06  7:16       ` Norbert Preining
2009-10-06  7:44         ` Mike Galbraith
2009-10-10 19:06           ` Petr Titěra
2009-11-18  7:56 ` Linux 2.6.31 - very swap-happy with plenty of free RAM Dan Merillat
2009-11-18 15:22   ` Rik van Riel
2009-11-18 15:48   ` Norbert Preining
2009-11-19 14:36   ` KOSAKI Motohiro
2009-11-25 23:13     ` Dan Merillat
2009-11-26  1:54       ` Rik van Riel
2009-12-03  4:16         ` Dan Merillat
2009-12-07 20:49           ` Dan Merillat
2009-12-09 20:48             ` Henrique de Moraes Holschuh
2009-12-09 21:18               ` Rik van Riel

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