Messages in this thread |  | | Date | Wed, 7 Nov 2001 22:11:48 -0800 | From | David Rees <> | Subject | Re: Suspected bug - System slowdown under unexplained excessive disk I/O - 2.4.13 |
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On Wed, Nov 07, 2001 at 09:25:38PM -0700, Sasha Pachev wrote: > > Summary: > > System slowdown under unexplained excessive disk I/O > > Full description: > > While running X, KDE, having a few windows open, I ran make -j4 on MySQL > source tree. I do this all the time and it usually works just fine - the > system is a little bit unresponsive. However, occasionally the system becomes > completely unresponsive - the disk goes crazy, the machine pings but neither > ssh or telnet work - connection to the port is established, but nothing > further than that. It does respond to magic SysRQ. I was able to get a memory > info dump + stack traces into syslog, included below. The filesystem is > ReiserFS. > > Keywords: > > vm, ReiserFS, heavy disk I/O,
Let me guess, IDE disks? Anyway, this is a FAQ. Go www.namesys.com, click on the FAQ, and look at #15.
This issue really can be a problem as the entire machine will freeze up for a good chunk of time while the disk churns away. Strangely enough, I've only noticed it on some machines, not all. But it's enough of a problem to cause me to switch to ext3.
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