From: Thomas Sattler <tsattler@gmx.de>
To: Andrea Arcangeli <aarcange@redhat.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: iotop: khugepaged at 99.99% (2.6.38.3)
Date: Thu, 05 May 2011 15:08:25 +0200 [thread overview]
Message-ID: <4DC2A149.1080008@gmx.de> (raw)
In-Reply-To: <20110504143842.GK7838@random.random>
The machine kept running until two hours ago. Then system load
started to increase. Slowly but constantly. I waited for about
an hour before I rebooted.
It started while I was reading manpages and I could not quit
pressing 'q'. I was unable to open new terminals (in fact
the terminals opened, but never reached a shell prompt).
Already open terminals allowed entering commands, some worked
others hung. Tab completion in shells reproduceably hung them.
While I pressed SysRq-l and SysRq+t several times, nothing at
all has been written to disk. No lines in /var/log/messages
after sysload started to increase.
A terminal already running "watch -n1 'dmesg+hrts | uniq -c |
tail -n58'" showed: http://pastebin.com/raw.php?i=2cC53raT
('dmesg+hrts' translates timestamps into a wallclocktime.)
Two other terminals were running 'top' and 'iotop':
http://pastebin.com/raw.php?i=Mwj2mGdw
I tried to run 'ps xal' but that also hung the terminal. I'm
sorry, but that's all I could get. Please keep in mind that
this particular machine was (and again is), in spite of the
threads subject, running 2.6.38.2
Thomas
next prev parent reply other threads:[~2011-05-05 12:16 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-20 23:28 iotop: khugepaged at 99.99% (2.6.38.3) Thomas Sattler
2011-04-27 13:46 ` Andrea Arcangeli
2011-05-04 12:20 ` Thomas Sattler
2011-05-04 12:37 ` Thomas Sattler
2011-05-04 14:38 ` Andrea Arcangeli
2011-05-05 13:08 ` Thomas Sattler [this message]
2011-05-05 22:04 ` iotop: khugepaged at 99.99% (2.6.38.X) Thomas Sattler
2011-05-06 1:13 ` Andrea Arcangeli
2011-05-06 6:35 ` Andrea Arcangeli
2011-05-06 8:49 ` Thomas Sattler
2011-05-06 8:54 ` Thomas Sattler
2011-05-06 14:24 ` Thomas Sattler
2011-05-06 17:20 ` Andrea Arcangeli
2011-05-06 17:55 ` Andrea Arcangeli
2011-05-11 10:53 ` iotop: khugepaged at 99.99% (2.6.38.3) Ulrich Keller
2011-05-12 14:03 ` Andrea Arcangeli
2011-05-16 9:27 ` Ulrich Keller
2011-05-16 12:29 ` Ulrich Keller
2011-05-23 18:05 ` Johannes Hirte
2011-05-25 16:06 ` Andrea Arcangeli
2011-05-25 20:44 ` Thomas Sattler
2011-06-01 19:37 ` Gilles Hamel
2011-06-13 10:28 ` Antonio Messina
[not found] <fa.FZDTDqnxL4JfQvyaCQTn405rzwM@ifi.uio.no>
2011-09-14 12:57 ` Slawomir Czarko-Wasiutycz
2011-09-14 13:32 ` Slawomir Czarko-Wasiutycz
2011-09-15 6:43 ` Lin Ming
2011-09-15 6:48 ` Lin Ming
2011-09-15 7:24 ` Thomas Sattler
2011-09-15 7:50 ` Lin Ming
2011-09-19 17:51 ` Andrea Arcangeli
2011-09-20 13:19 ` Slawomir Czarko-Wasiutycz
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