Re: [ext3][kernels >= 2.6.20.7 at least] KDE going comatose whenFS is under heavy write load (massive starvation)

[Mike Galbraith]

On Fri, 2007-04-27 at 01:33 -0700, Andrew Morton wrote:

> Another livelock possibility is that bonnie is redirtying pages faster than
> commit can write them out, so commit got livelocked:
> 
> When I was doing the original port-from-2.2 I found that an application
> which does
> 
> 	for ( ; ; )
> 		pwrite(fd, "", 1, 0);
> 
> would permanently livelock the fs.  I fixed that, but it was six years ago,
> and perhaps we later unfixed it.

Well, box doesn't seem the least bit upset after quite a while now, so I
guess it didn't get unfixed.

	-Mike

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