From owner-freebsd-bugs Sat May 19 17:52: 7 2001 Delivered-To: freebsd-bugs@freebsd.org Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by hub.freebsd.org (Postfix) with ESMTP id 4C8E537B42C; Sat, 19 May 2001 17:51:56 -0700 (PDT) (envelope-from grog@lemis.com) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id 628186ACBE; Sun, 20 May 2001 10:21:32 +0930 (CST) Date: Sun, 20 May 2001 10:21:32 +0930 From: Greg Lehey To: David Xu Cc: George Reid , freebsd-bugs@FreeBSD.org Subject: Re: kern/26938: 4.3-stable is a broken kernel Message-ID: <20010520102132.F75919@wantadilla.lemis.com> References: <00f901c0d050$96db7620$cc01a8c0@xyf> <20010429122750.F52871@wantadilla.lemis.com> <012301c0d82c$41a3fa40$3601a8c0@xyf> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <012301c0d82c$41a3fa40$3601a8c0@xyf>; from davidx@viasoft.com.cn on Wed, May 09, 2001 at 10:03:21AM +0800 Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.lemis.com/~grog X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org > X-Mailer: Microsoft Outlook Express 5.00.2615.200 [Format recovered--see http://www.lemis.com/email/email-format.html] Your MUA wraps incorrectly. On Wednesday, 9 May 2001 at 10:03:21 +0800, David Xu wrote: > On Sunday, April 29, 2001 10:57 AM, Greg Lehey wrote: >> On Sunday, 29 April 2001 at 3:16:44 +0100, George Reid wrote: >> [snip] >> That doesn't make it correct to close the PR. David is pointing to a >> regression here: he says that the system can no longer recover from a >> resource problem where it previously did. That's serious enough to >> take another look at. >> >> I did take another look. I couldn't reproduce the problem. I've been >> running the test program for 5 minutes now, and I've collected about >> 3,200 zombies. Further forks fail because the proc table is full. >> There! I've stopped it with ^C. > > I have found that if I use GENERIC kernel config, I can not trigger > this bug, my machine has 64M RAM, default maxusers value in GENERIC > kernel config file is 32, this is fine, change it to 128 and > recompile/install kernel, I can use fork bomb to crash kernel. so > this bug is RAM size and maxusers related. Please reproduce it and show me a kernel backtrace with symbols, and I'll take a look at it. Greg -- When replying to this message, please take care not to mutilate the original text. For more information, see http://www.lemis.com/email.html Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message