From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by qb-out-0506.google.com with SMTP id e21so386080qba.0 for ; Fri, 18 Apr 2008 09:02:31 -0700 (PDT) Message-ID: <19f34abd0804180902k7a91ace3q84720e0352c3aa40@mail.gmail.com> Date: Fri, 18 Apr 2008 18:02:29 +0200 From: "Vegard Nossum" Subject: Re: 2.6.25-mm1: not looking good In-Reply-To: <19f34abd0804180747i244c483flf8421f42a330c519@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080417160331.b4729f0c.akpm@linux-foundation.org> <48080FE7.1070400@windriver.com> <20080418073732.GA22724@elte.hu> <19f34abd0804180446u2d6f17damf391a8c0584358b8@mail.gmail.com> <20080418123439.GA17013@elte.hu> <19f34abd0804180541l7b4d14a6tb13bdd51dd533d70@mail.gmail.com> <48089BCA.1090704@windriver.com> <19f34abd0804180622l4f89191cp4cc7833822e058f5@mail.gmail.com> <4808A1C7.7000907@windriver.com> <19f34abd0804180747i244c483flf8421f42a330c519@mail.gmail.com> Sender: owner-linux-mm@kvack.org Return-Path: To: Jason Wessel Cc: Ingo Molnar , Andrew Morton , tglx@linutronix.de, penberg@cs.helsinki.fi, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, jmorris@namei.org, sds@tycho.nsa.gov List-ID: On Fri, Apr 18, 2008 at 4:47 PM, Vegard Nossum wrote: > > On 4/18/08, Jason Wessel wrote: > > Vegard Nossum wrote: > > > On Fri, Apr 18, 2008 at 3:02 PM, Jason Wessel > > > wrote: > > >> I assume this was SMP? ... > But booting with nosmp on real hardware gets easily above 100,000 > iterations of the loop (before I reboot), so it seems to be related to > that, anyway. It gets stuck in kgdb_roundup_cpus(), verified by putting a printk() before and after this call (in kgdb_handle_exception()). Simple, but effective :-) Vegard -- "The animistic metaphor of the bug that maliciously sneaked in while the programmer was not looking is intellectually dishonest as it disguises that the error is the programmer's own creation." -- E. W. Dijkstra, EWD1036 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org