Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755154AbXFZIS3 (ORCPT ); Tue, 26 Jun 2007 04:18:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753880AbXFZISR (ORCPT ); Tue, 26 Jun 2007 04:18:17 -0400 Received: from ihemail3.lucent.com ([135.245.0.37]:40279 "EHLO ihemail3.lucent.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753405AbXFZISQ (ORCPT ); Tue, 26 Jun 2007 04:18:16 -0400 Message-ID: <4680CBD4.2040702@alcatel-lucent.com> Date: Tue, 26 Jun 2007 16:18:28 +0800 From: gshan User-Agent: Thunderbird 1.5.0.10 (X11/20070221) MIME-Version: 1.0 To: Alexey Dobriyan CC: linux-kernel@vger.kernel.org Subject: Re: bugs in __schedule() References: <4680C6F3.9000504@alcatel-lucent.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 26 Jun 2007 08:18:10.0656 (UTC) FILETIME=[889C2600:01C7B7CA] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1122 Lines: 40 The code is written by myself. 2 questions: 1) tasklet couldn't sleep? 2) It is because the tasklet take a semaphore? Thanks, Gavin Alexey Dobriyan wrote: > On 6/26/07, gshan wrote: >> Anybody has suggestions on this crash? > > talk to whoever supplied the following into your kernel: > >> [c02dc4dc] __schedule+0x654/0x788 >> [c02dc6f4] schedule+0x4c/0xe4 >> [c02dbe24] __compat_down+0xc8/0x12c >> [c0226b60] mv_sw_read_reg+0x178/0x17c > > this > >> [c02296fc] mvSwIntrTasklet+0x128/0x744 > > and this. > >> [c0020afc] tasklet_action+0x7c/0xec >> [c00204f4] ___do_softirq+0x80/0x11c >> [c00205cc] __do_softirq+0x3c/0x6c >> [c00206a4] do_softirq+0x60/0x68 >> [c00207a8] irq_exit+0x6c/0x94 >> [c0005e1c] do_IRQ+0x88/0xa4 >> [c0004b70] ret_from_except+0x0/0x18 >> [c000680c] __delay+0xc/0x14 >> [c0226598] mv_sw_read_smi_reg+0x84/0x1ac - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/