Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270221AbUJSXri (ORCPT ); Tue, 19 Oct 2004 19:47:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270220AbUJSXq5 (ORCPT ); Tue, 19 Oct 2004 19:46:57 -0400 Received: from smtp2.Stanford.EDU ([171.67.16.125]:55505 "EHLO smtp2.Stanford.EDU") by vger.kernel.org with ESMTP id S270211AbUJSXjN (ORCPT ); Tue, 19 Oct 2004 19:39:13 -0400 Subject: Re: [patch] Real-Time Preemption, -RT-2.6.9-rc4-mm1-U7 From: Fernando Pablo Lopez-Lezcano To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Lee Revell , Rui Nuno Capela , Mark_H_Johnson@Raytheon.com, "K.R. Foley" , Bill Huey , Adam Heath , Florian Schmidt , Thomas Gleixner , Michal Schmidt In-Reply-To: <20041019180059.GA23113@elte.hu> References: <20041012123318.GA2102@elte.hu> <20041012195424.GA3961@elte.hu> <20041013061518.GA1083@elte.hu> <20041014002433.GA19399@elte.hu> <20041014143131.GA20258@elte.hu> <20041014234202.GA26207@elte.hu> <20041015102633.GA20132@elte.hu> <20041016153344.GA16766@elte.hu> <20041018145008.GA25707@elte.hu> <20041019124605.GA28896@elte.hu> <20041019180059.GA23113@elte.hu> Content-Type: text/plain Organization: Message-Id: <1098229098.26927.40.camel@cmn37.stanford.edu> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 (1.2.2-5) Date: 19 Oct 2004 16:38:19 -0700 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2164 Lines: 54 On Tue, 2004-10-19 at 11:00, Ingo Molnar wrote: > i have released the -U7 Real-Time Preemption patch: > > http://redhat.com/~mingo/realtime-preempt/realtime-preempt-2.6.9-rc4-mm1-U7 > > this too is a fixes-only release. First Ux I try to boot, on install I get this: WARNING: /lib/modules/2.6.8-1.520.1rU7.ll.rhfc2.ccrma/kernel/drivers/scsi/aacraid/aacraid.ko needs unknown symbol __you_cannot_kmalloc_that_much WARNING: /lib/modules/2.6.8-1.520.1rU7.ll.rhfc2.ccrma/kernel/drivers/message/i2o/i2o_block.ko needs unknown symbol i2o_msg_in_to_virt WARNING: /lib/modules/2.6.8-1.520.1rU7.ll.rhfc2.ccrma/kernel/drivers/message/i2o/i2o_core.ko needs unknown symbol i2o_msg_in_to_virt WARNING: /lib/modules/2.6.8-1.520.1rU7.ll.rhfc2.ccrma/kernel/drivers/message/i2o/i2o_core.ko needs unknown symbol i2o_msg_out_to_virt WARNING: /lib/modules/2.6.8-1.520.1rU7.ll.rhfc2.ccrma/kernel/drivers/message/i2o/i2o_scsi.ko needs unknown symbol i2o_msg_in_to_virt No luck booting, I get a kernel panic, the last lines printed to the screen are like this (transcribed by hand, there may be errors): printk+0x17/0x20 (20) print_preempt_trace+0x51/0xa0 (12) print_traces+0x1e/0x40 (24) show_stack+0x70/0x90 (8) error_code+0x2d/0x38 (20) down_write_interruptible+0xba/0x278 (52) scsi_error_handler+0x98/0x1a0 [scsi_mod] (44) scsi_error_handler+0x0/0x1a0 [scsi_mod] (284) kernel_thread_helper+0x5/0x18 (8) preempt count: 04000008 . 8 level deep critical section nesting: .. entry 1: down_write_interruptible+0x273/0x278 / (0x0) .. entry 2: down_write_interruptible+0x5a/0x278 / (0x0) .. entry 3: __schedule+0x34/0x650 / (0x0) .. entry 4: __schedule+0xcb/0x650 / (0x0) .. entry 5: __schedule+0x34/0x650 / (0x0) .. entry 6: __schedule+0xcb/0x650 / (0x0) .. entry 7: die+0x36/0x180 / (0x0) .. entry 8: print_traces+0xd/0x40 / (0x0) <0> Kernel panic - not syncing: Fatal exception in interrupt I hope this can be useful... -- Fernando - 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/