Re: Linux 2.1.103 very lazy on flushing dirty buffers.
ak@muc.de
Wed, 27 May 1998 18:04:26 +0200
On Wed, May 27, 1998 at 03:43:43PM +0200, Wolfram Gloger wrote:
> > "David S. Miller" <davem@dm.cobaltmicro.com> writes:
> >
> > > This should never happen if update/bdflush is running in userspace,
> > > which guarentees a dirty buffer flush ever minute or so.
> >
> > bdflush runs. I think the key word is "should" - something in 2.1 seems
> > to mess up the syncs.
>
> A very old `update/bdflush' binary may be the problem -- if I remember
> right it was only required for some 1.x kernels which lacked kernel
> threads. Now for some reason the bdflush system call seems to no
> longer work in the same way, so an old `update/bdflush' daemon does no
> longer sync regularly -- it may get stuck in the bdflush system call.
This is not the case. The system in question runs RH5.0 and was just installed
from scratch (empty HD) 1h before I discovered it.
-A.
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