From owner-freebsd-hackers@FreeBSD.ORG Mon Nov 26 06:21:38 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id D0D2B89B for ; Mon, 26 Nov 2012 06:21:38 +0000 (UTC) (envelope-from sushanth_rai@yahoo.com) Received: from nm5-vm1.bullet.mail.ne1.yahoo.com (nm5-vm1.bullet.mail.ne1.yahoo.com [98.138.91.32]) by mx1.freebsd.org (Postfix) with ESMTP id 6403C8FC0C for ; Mon, 26 Nov 2012 06:21:38 +0000 (UTC) Received: from [98.138.90.55] by nm5.bullet.mail.ne1.yahoo.com with NNFMP; 26 Nov 2012 06:21:32 -0000 Received: from [66.94.237.125] by tm8.bullet.mail.ne1.yahoo.com with NNFMP; 26 Nov 2012 06:21:32 -0000 Received: from [127.0.0.1] by omp1030.access.mail.mud.yahoo.com with NNFMP; 26 Nov 2012 06:21:32 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 661780.75570.bm@omp1030.access.mail.mud.yahoo.com Received: (qmail 70867 invoked by uid 60001); 26 Nov 2012 06:21:32 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1353910892; bh=fbQCrMsNgQK4lm50yz7mFHlEpmO/1ICxFgfAUgX1+o0=; h=X-YMail-OSG:Received:X-Rocket-MIMEInfo:X-Mailer:Message-ID:Date:From:Subject:To:MIME-Version:Content-Type; b=gb863Uqx7FyE5ztOU0W9gKE+DlpiLm0j/Q+ZK8lrDoRIZp8lmw8zNYO3OSYbuXs0TA0Cs1mlLxClT0+4Hn2TYuWLPp7e/mZJRSX7dzMz+TkSr1CkAIptXZQMRxcPPDd4HV+xpF76vGQeiy18YQfguSAfMFUJ5+Es5hiiUwdKip0= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Rocket-MIMEInfo:X-Mailer:Message-ID:Date:From:Subject:To:MIME-Version:Content-Type; b=rjs+NL+Ep8YUWq+9RLX4jbOGtvQYTiRrCX8njFAtSC1EZBiAPnbmJwg6gX/MLFofphzBb0bAzRIbvWwf6qJ8Efq6eXYq7Ybi96Bh1Hobin2ori7oNv2HITuftRjxXD7Dg9sNa7H8Cnf+5AeJrqCgu3R0HNdYTARB4MG9JrHneAM=; X-YMail-OSG: JSm_oW0VM1mD12ycrwYwK3EDfNV_YG8DclXJsqHiALHChTt ckzd5jGhepuz3QCe5QnMTP.6r7S0n83x3z8Du5bqn4NwAf7NPtFV2qGf9mT5 kKQnnjuzazbWaOvrZGtw2UnK5mmTfzmFFDr2U2VR7hpJlstxwU14jZO5zA4D DFoI_nQbOugvum9u7C6JVA0KghZ5Ql9J1RBPgrS3Dmscrq8vSDcVIpWTwWv9 gU_ICBPRCHnruQGpb6m3u5YrLbYpwDXTdowSXd5dvXrB0GIQNDiAEJvtuuVI pu3ZJoZ7iwu1966Iic5mBkTatT438F6.WaRngUGVzTWYd3PSVucEVfCOjJKY bPcpKZANwWnSlrQTkvwoCrp8TJs7MSoEcGzSDQpV.AtGXsFDCvl91lnM9hBK owVP8iyL7L5MNFgz6CS7FXMCfi_zzigdg.E8WfqXAZn0kjGpktGfRc.KIkT. daobyj.bgR2m2Jw7rCznKTDo9EhaAlbzzua9LBEfb.sSYRjaTPkUJ Received: from [76.211.239.121] by web181702.mail.ne1.yahoo.com via HTTP; Sun, 25 Nov 2012 22:21:32 PST X-Rocket-MIMEInfo: 001.001, QmFzaWNhbGx5IEkgd291bGQgbGlrZSB0byBnZXQga2VybmVsIGJhY2t0cmFjZSBvZiBhIGJ1bmNoIG9mIHRocmVhZHMgZnJvbSB0aGUgbGl2ZSBrZXJuZWwgdW5kZXIgc29tZSBjb25kaXRpb25zLiBXaGVuIHRoZSBjb25kaXRpb24gaXMgc2VlbiBJIHdvdWxkIGxpa2UgdG8gcnVuIGtnZGIsIGNvbGxlY3Qga2VybmVsIGJhY2t0cmFjZSBvZiBzcGVjaWZpYyB0aHJlYWRzIGFuZCBleGl0LiBJcyB0aGVyZSBhIHdheSBydW4ga2dkYiBpbiBiYXRjaCBtb2RlID8gT3IgYW55IG90aGVyIHdheSB0byBnZXQgdGhlIHMBMAEBAQE- X-Mailer: YahooMailClassic/15.0.8 YahooMailWebService/0.8.123.460 Message-ID: <1353910892.62730.YahooMailClassic@web181702.mail.ne1.yahoo.com> Date: Sun, 25 Nov 2012 22:21:32 -0800 (PST) From: Sushanth Rai Subject: Running kgdb in batch mode. To: freebsd-hackers@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Nov 2012 06:21:39 -0000 Basically I would like to get kernel backtrace of a bunch of threads from the live kernel under some conditions. When the condition is seen I would like to run kgdb, collect kernel backtrace of specific threads and exit. Is there a way run kgdb in batch mode ? Or any other way to get the stack trace. Thanks, Sushanth