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SubjectRe: different behaviour with badblocks on 2.6.0-test1-mm1-07int
On Tue, Jul 22, 2003 at 02:45:57PM -0700, Mike Fedyk wrote:
> On Tue, Jul 22, 2003 at 02:42:53PM -0700, Mike Fedyk wrote:
> > Hi,
> >
> > I was testing a hard drive with badblocks (from the e2fsprogs-1.34) on the
> > 2.6.0-test1-mm1-07int (with Con's scheduler patch), and I noticed in vmstat
> > and gkrellm that during the write passes there are reads on the same drive
> > when there should only be writes.
> >
> > I tried stracing badblocks, but all it showed was write() calls, and vmstat
> > and gkrellm showed reads only, so it modified the behaviour.
> >
> > Has anyone else seen this?
> >
> > ii e2fsprogs 1.33+1.34-WIP-2003.05 The EXT2 file system
> > utilities and libraries
> >
>
> Oh, and testing with the same hardware and userspace on 2.4.22-pre7 shows
> normal behaviour (writes with no reading, reads with no writing).
>
> This is with "badblocks -wso /tmp/hde.out /dev/hde > /dev/hde.log 2>&1 &" on
> a bash prompt on both kernels.
>
> Neither found any bad blocks, and /tmp is on a /dev/hda1
>

This is also being reported against e2fsprogs in debian to get more eyes on
it.

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=202008
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