Re: no luck with max_sectors_kb (Re: voluntary-preempt-2.6.8-rc2-J4)

From: Rudo Thomas
Date: Mon Jul 26 2004 - 17:51:48 EST


> > After setting it to 32 (the hw max is 128), userland programs fail
> > with I/O errors. Setting it back to 128 gets it back to working, sort
> > of. The errors probably get bufferred somewhere.
> >
> > During the "bad" setting (32), messages like this one show up in kernel log.
> >
> > bio too big device hda3 (104 > 64)
>
> does the patch below, ontop of -J7, help?

I tried it, but did not test tuning the value, as the patch has problems of its
own: with device-mapper.

bio too big device dm-0 (256 > 255)

Again, some files cannot be read on the device.

Bye for now.

Rudo.
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