From owner-freebsd-bugs@FreeBSD.ORG Mon Dec 13 16:10:10 2010 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 41CAD1065735 for ; Mon, 13 Dec 2010 16:10:10 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 1B6C38FC14 for ; Mon, 13 Dec 2010 16:10:10 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id oBDGA9Wh033232 for ; Mon, 13 Dec 2010 16:10:09 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id oBDGA9m8033230; Mon, 13 Dec 2010 16:10:09 GMT (envelope-from gnats) Resent-Date: Mon, 13 Dec 2010 16:10:09 GMT Resent-Message-Id: <201012131610.oBDGA9m8033230@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, kenorb Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 64D0E106566B for ; Mon, 13 Dec 2010 16:06:38 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from red.freebsd.org (unknown [IPv6:2001:4f8:fff6::22]) by mx1.freebsd.org (Postfix) with ESMTP id F3A4A8FC08 for ; Mon, 13 Dec 2010 16:06:37 +0000 (UTC) Received: from red.freebsd.org (localhost [127.0.0.1]) by red.freebsd.org (8.14.4/8.14.4) with ESMTP id oBDG6bdM056644 for ; Mon, 13 Dec 2010 16:06:37 GMT (envelope-from nobody@red.freebsd.org) Received: (from nobody@localhost) by red.freebsd.org (8.14.4/8.14.4/Submit) id oBDG6bmk056643; Mon, 13 Dec 2010 16:06:37 GMT (envelope-from nobody) Message-Id: <201012131606.oBDG6bmk056643@red.freebsd.org> Date: Mon, 13 Dec 2010 16:06:37 GMT From: kenorb To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: misc/153124: "grep foo * > somefile" goes into an infinite loop X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Dec 2010 16:10:10 -0000 >Number: 153124 >Category: misc >Synopsis: "grep foo * > somefile" goes into an infinite loop >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Dec 13 16:10:09 UTC 2010 >Closed-Date: >Last-Modified: >Originator: kenorb >Release: 8.1-STABLE >Organization: >Environment: FreeBSD kenorb 8.1-STABLE FreeBSD 8.1-STABLE #4: Mon Nov 15 14:40:15 GMT 2010 root@kenorb:/usr/obj/usr/src/sys/BRO amd64 >Description: I don't know what's the difference between list.txt and zz.txt, but on zz.txt it always freezing, on list.txt it doesn't;/ It freezing always when you use the name as last file in alphabetical order. It does work when you grep "table", but doesn't when you grep "td". >How-To-Repeat: > perl -e '$i = 1; while($i++ < 5) { system("wget -nc \"http://ai-contest.com/rankings.php?page=$i\""); }' > grep "td" * > list.txt # WORKS > grep "td" * > list.txt # WORKS > grep "td" * > zz.txt # BIG FREEZE UNTIL YOU RUN OF SPACE! load: 0.66 cmd: grep 39619 [biord] 68.52r 34.09u 15.73s 72% 1156k load: 0.74 cmd: grep 39619 [running] 78.90r 39.41u 18.58s 80% 1156k load: 0.96 cmd: grep 39619 [running] 118.59r 60.64u 28.60s 82% 1156k load: 0.75 cmd: grep 39619 [running] 267.90r 122.22u 62.36s 53% 1156k 39668: read(3,"xt:zz.txt:zz.txt:zz.txt:zz.txt:z"...,24576) = 24576 (0x6000) 39668: write(1,"zz.txt:zz.txt:zz.txt:zz.txt:zz.t"...,16384) = 16384 (0x4000) 39668: read(3,"t:zz.txt:zz.txt:zz.txt:zz.txt:zz"...,24576) = 24576 (0x6000) 39668: write(1,":zz.txt:zz.txt:zz.txt:zz.txt:zz."...,16384) = 16384 (0x4000) 39668: write(1,"z.txt:zz.txt:zz.txt:zz.txt:zz.tx"...,16384) = 16384 (0x4000) 39668: read(3,"z.txt:zz.txt:zz.txt:zz.txt:zz.tx"...,24576) = 24576 (0x6000) 39668: write(1,"txt:zz.txt:zz.txt:zz.txt:zz.txt:"...,16384) = 16384 (0x4000) 39668: read(3,"t:zz.txt:zz.txt:zz.txt:zz.txt:zz"...,24576) = 24576 (0x6000) 39668: write(1,":zz.txt:zz.txt:zz.txt:zz.txt:zz."...,16384) = 16384 (0x4000) 39668: write(1,"z.txt:zz.txt:zz.txt:zz.txt:zz.tx"...,16384) = 16384 (0x4000) 39668: read(3,":zz.txt:zz.txt:zz.txt:zz.txt:zz."...,24576) = 24576 (0x6000) 39668: write(1,".txt:zz.txt:zz.txt:zz.txt:zz.txt"...,16384) = 16384 (0x4000) 39668: read(3,"xt:zz.txt:zz.txt:zz.txt:zz.txt:z"...,24576) = 24576 (0x6000) 39668: write(1,"xt:zz.txt:zz.txt:zz.txt:zz.txt:z"...,16384) = 16384 (0x4000) >Fix: Related: http://savannah.gnu.org/bugs/?17457 >Release-Note: >Audit-Trail: >Unformatted: