Date: Sat, 1 Jul 2000 14:03:32 -0700 (PDT) From: dwhite@freebsd.org To: freebsd-gnats-submit@FreeBSD.org Subject: bin/19630: systat consumes 100% CPU stuck in read() loop Message-ID: <20000701210332.88D1737BA6A@hub.freebsd.org>
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>Number: 19630 >Category: bin >Synopsis: systat consumes 100% CPU stuck in read() loop >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sat Jul 01 14:10:01 PDT 2000 >Closed-Date: >Last-Modified: >Originator: Doug White >Release: 4.0-RELEASE >Organization: eGroups >Environment: FreeBSD nat1.egroups.com 4.0-RELEASE FreeBSD 4.0-RELEASE #1: Wed Jun 28 12:22:28 PDT 2000 root@test.corp.onelist.com:/usr/src/sys/compile/NATBOX i386 466MHz Celeron, 256MB RAM >Description: After about a minute of running 'systat -vm 2', systat consumes 100% CPU, 50% user 50% system. Running truss on it finds that it is getting EAGAIN trying to read stdin. Truss output is available at http://www.freebsd.org/~dwhite/systat.truss, as it is too large to post here. I started truss after systat so the initialization is cut off, but it shows the problem. >How-To-Repeat: Run systat -vm 2 and wait about a minute. >Fix: >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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