From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 29 Sep 2003 11:56:50 -0700 From: Andrew Morton Subject: Re: 2.6.0-test6-mm1 Message-Id: <20030929115650.46472ede.akpm@osdl.org> In-Reply-To: <20030929111447.GA21451@redhat.com> References: <20030928191038.394b98b4.akpm@osdl.org> <20030929111447.GA21451@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Dave Jones Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Ingo Molnar List-ID: Dave Jones wrote: > > On Sun, Sep 28, 2003 at 07:10:38PM -0700, Andrew Morton wrote: > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-test6/2.6.0-test6-mm1 > > Debug: sleeping function called from invalid context at include/linux/rwsem.h:43 > in_atomic():0, irqs_disabled():1 > Call Trace: > [<02123550>] do_page_fault+0x0/0x588 > [<021291be>] __might_sleep+0x9e/0xc0 > [<021237e0>] do_page_fault+0x290/0x588 > [<02135a85>] update_process_times+0x45/0x50 > [<02113ab8>] timer_interrupt+0x188/0x1e0 > [<0210ea0b>] do_IRQ+0x18b/0x230 > [<02123550>] do_page_fault+0x0/0x588 > You have the 4G split enabled, and took a pagefault in the timer interrupt handler. Conceivably that fault hit vmalloc space, but I don't see how. Even if it did, it shouldn't have got through to taking mmap_sem. I'm stumped. Maybe Ingo can spot it? -- 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: aart@kvack.org