Messages in this thread | | | From | Con Kolivas <> | Subject | Re: Pathological case identified from contest | Date | Sun, 20 Oct 2002 16:27:08 +1000 |
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On Sun, 20 Oct 2002 01:05 pm, Andrew Morton wrote: > Con Kolivas wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > On Thu, 17 Oct 2002 05:35 pm, you wrote: > > > Con Kolivas wrote: > > > > ... > > > > Well this has become more common with 2.5.43-mm2. I had to abort the > > > > process_load run 3 times when benchmarking it. Going back to other > > > > kernels and trying them it didnt happen so I dont think its my > > > > hardware failing or something like that. > > > > > > No, it's a bug in either the pipe code or the CPU scheduler I'd say. > > > > > > You could try backing out to the 2.5.40 pipe implementation; not sure > > > if that would tell us much though. > > > > I massaged the patch a little for it to apply and it _is_ the offending > > code. Backing out the pipe changes fixed the problem. I was unable to > > reproduce the holdup I was seeing with process_load even at higher data > > sizes. Now what? > > Try Manfred's pipe fix I guess? >
Well *that* makes sense. Tried it and it fixed it thank you.
Cheers, Con -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (GNU/Linux)
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