Date: Mon, 2 Apr 2001 06:30:03 -0700 (PDT) From: Cy Schubert - ITSD Open Systems Group <Cy.Schubert@uumail.gov.bc.ca> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/10411: top, vmstat, iostat show 0% cpu idle & usage on SMP system Message-ID: <200104021330.f32DU3Q74095@freefall.freebsd.org>
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The following reply was made to PR kern/10411; it has been noted by GNATS. From: Cy Schubert - ITSD Open Systems Group <Cy.Schubert@uumail.gov.bc.ca> To: freebsd-gnats-submit@FreeBSD.org, bob@pmr.com Cc: Subject: Re: kern/10411: top, vmstat, iostat show 0% cpu idle & usage on SMP system Date: Mon, 02 Apr 2001 06:28:00 -0700 I believe I've managed to resolve my occurrences of the problem. Before I go on I should say that my P120 is a uniprocessor system. The measures I mentioned in my last followup to this PR did mitigate the problem to a certain degree, making it occur less frequently, also "fixing" itself after a couple of hours, only to reoccur later. To resolve the problem I replaced a RealTek NE2000 compatible PCI NIC card with a Linksys LNE2000 compatible ISA NIC card. The reason for the change, was that when the problem started occurring, the only things that had changed were the replacement of the ISA NIC card with the PCI NIC card and a cvsup/buildworld/installworld to the latest 4.3-BETA. As FreeBSD has been in a change freeze for a while now, looking for changes that could have caused this was relatively easy, pointing me in the direction of the NIC card. The problem hasn't reoccurred 20 hours. If I may surmise, though it appears that the RealTek NE2000 PCI NIC is the culprit, it may be that the ed(4) driver's PCI support may have had something to do with this, or timing on the PCI bus. Regards, Phone: (250)387-8437 Cy Schubert Fax: (250)387-5766 Team Leader, Sun/Alpha Team Internet: Cy.Schubert@osg.gov.bc.ca Open Systems Group, ITSD, ISTA Province of BC To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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