Date: Sun, 20 Feb 2011 04:10:19 +0100 From: Joachim Tingvold <joachim@tingvold.com> To: Kenneth D. Merry <ken@freebsd.org> Cc: freebsd-scsi@freebsd.org, Alexander Motin <mav@freebsd.org> Subject: Re: mps0-troubles Message-ID: <318745DD-B5F4-4693-B3F2-22DF8D437349@tingvold.com> In-Reply-To: <20110218171619.GB78796@nargothrond.kdm.org> References: <07392102-4584-4690-9188-5202728CC7CA@tingvold.com> <20110120155746.GA22515@nargothrond.kdm.org> <BC40CE83-6116-49CD-8D37-5BC29893449D@tingvold.com> <070C12D5-A54F-4A48-A151-EBA16EF32A13@tingvold.com> <20110203221056.GA25389@nargothrond.kdm.org> <FFF5EF18-055C-4E0C-8F9B-03564217F80F@tingvold.com> <20110204180011.GA38067@nargothrond.kdm.org> <DE11FC96-06DB-479F-8673-B9ACE2805390@tingvold.com> <20110208201310.GA97635@nargothrond.kdm.org> <4A14FA28-6C9E-4F22-B7A3-4295ACD77719@tingvold.com> <20110218171619.GB78796@nargothrond.kdm.org>
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On Fri, Feb 18, 2011, at 18:16:19PM GMT+01:00, Kenneth D. Merry wrote: > I just committed a fix to -current for the out of chain buffers > issue. If > you've got time, pull that fix in and see whether it works for you. [jocke@filserver /storage/tmp]$ i=0;while [ $i -le 10 ]; do dd if=/ dev/zero of=foo bs=1M count=204800; let "i += 1"; done I let it run for a while, and checked back later. <http://home.komsys.org/~jocke/dmesg_mps0_freebsd-scsi_6.txt>; hw.mps.0.debug_level: 0 hw.mps.0.allow_multiple_tm_cmds: 0 hw.mps.0.io_cmds_active: 0 hw.mps.0.io_cmds_highwater: 970 hw.mps.0.chain_free: 1024 hw.mps.0.chain_free_lowwater: 0 hw.mps.0.chain_alloc_fail: 786 As you can see, I didn't do anything about the 'MPS_CHAIN_FRAMES'- value after I pulled the latest version. I could change it, but I guess this only would get rid of the 'out of chain'-messages, and not really solve the underlying problem. -- Joachim
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