From owner-freebsd-current@FreeBSD.ORG Tue Apr 16 20:01:56 2013 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 3156A579 for ; Tue, 16 Apr 2013 20:01:56 +0000 (UTC) (envelope-from jim.harris@gmail.com) Received: from mail-ee0-f54.google.com (mail-ee0-f54.google.com [74.125.83.54]) by mx1.freebsd.org (Postfix) with ESMTP id C0A5113D2 for ; Tue, 16 Apr 2013 20:01:55 +0000 (UTC) Received: by mail-ee0-f54.google.com with SMTP id e51so430471eek.13 for ; Tue, 16 Apr 2013 13:01:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=fnPhKO3KC0S2rg2QF6f/RYC/vQuIo2x8AtXKd6ETm4I=; b=CMWT+gX1Uq1Tgm+SAIU0CVfR3TRt5hPQHNPvF+XmnOuFFcP/Nj4pjEkgLTtofSb2w9 fs5mIgFC9fLeH8IwwjZl0M9tQP2YPtrlxja6wFiQa/L5BMatdTd7NqQ0ixLozyQsOrxr 8LwNtvgVyO713ZqpjivOwGPF1MEOQ+Qt48nOJkt3Zje/gHfw0vIkiPJBR/WG+Ze84iuT mZuqCsqElaE1phDKFiUJ34lIk2H8nzAr4LXiBOEGJ3iL18wfZqpEGcb4Jc9VnIzmgtn7 U5jkjBYud8sH4QUwbRseAXZmRv7sfXOpn0wI5CPRMWIVIZQpIYOCT2aVK64u3pvuYvlH FESA== MIME-Version: 1.0 X-Received: by 10.15.99.201 with SMTP id bl49mr9661070eeb.43.1366142509603; Tue, 16 Apr 2013 13:01:49 -0700 (PDT) Received: by 10.14.111.2 with HTTP; Tue, 16 Apr 2013 13:01:49 -0700 (PDT) In-Reply-To: <20130416181348.GR1404@albert.catwhisker.org> References: <201304161756.r3GHuVmu003474@slippy.cwsent.com> <20130416181348.GR1404@albert.catwhisker.org> Date: Tue, 16 Apr 2013 13:01:49 -0700 Message-ID: Subject: Re: Stack Overflow in GEOM From: Jim Harris To: David Wolfskill Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: "current@freebsd.org" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Apr 2013 20:01:56 -0000 On Tue, Apr 16, 2013 at 11:13 AM, David Wolfskill wrote: > On Tue, Apr 16, 2013 at 10:56:31AM -0700, Cy Schubert wrote: > > Has anyone see this before? Just updated my CURRENT partitions on my > > testbed and laptop. The laptop just boots but I've managed to capture > this > > on my testbed (attached to a serial port on another system). > > > > This is HEAD from yesterday (Apr 15) morning (PDT). The partition being > > booted is ada0s1d. On my laptop it's ada0s3a. KSTACK_PAGES is 4. Is > there a > > way to quickly display that kern.kstack_pages from DDB? > > ... > > panic: stack overflow detected; backtrace may be corrupted > > cpuid = 1 > > KDB: enter: panic > > [ thread pid 13 tid 100009 ] > > .... > > I'm seeing this, but my situation is ... reversed: my build machine came > up OK: > > FreeBSD freebeast.catwhisker.org 10.0-CURRENT FreeBSD 10.0-CURRENT #1134 > r249538M/249542:1000030: Tue Apr 16 09:15:49 PDT 2013 > root@freebeast.catwhisker.org:/usr/obj/usr/src/sys/GENERIC i386 > > but my laptop exhibits symptoms that I *believe* resemble those you > cited. (I was unable to get a crash dump, and the machine rebooted too > quickly after I typed "panic" at the ddb prompt. I don't have a serial > console on the laptop.) > > I had thought that it might be nvidia-driver-related (again), but I also > note that the laptop has a single SATA drive, while the build machine > has SCSI (possibly SAS -- machine is powered off for the day, since its > work is done) drives. Laptop also has 2x the memory the build machine > does. (They are each i386.) > > My last successful smoke-test for head on the laptop was yesterday: > > FreeBSD g1-227.catwhisker.org 10.0-CURRENT FreeBSD 10.0-CURRENT #869 > r249502M/249503:1000030: Mon Apr 15 05:23:38 PDT 2013 > root@g1-227.catwhisker.org:/usr/obj/usr/src/sys/CANARY i386 > > I had built head @r249538 this morning, and that's the build where > my smoke-test failed. > > This stack trace corruption was noted on svn-src-head@ as well, and appears to be fixed with r249564. -Jim