From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Gleixner Subject: Re: 2.6.20-rc4-mm1 Date: Sun, 14 Jan 2007 10:48:23 +0100 Message-ID: <1168768104.2941.53.camel@localhost.localdomain> References: <20070111222627.66bb75ab.akpm@osdl.org> Reply-To: tglx@linutronix.de Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from www.osadl.org ([213.239.205.134]:52603 "EHLO mail.tglx.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751184AbXANJmR (ORCPT ); Sun, 14 Jan 2007 04:42:17 -0500 In-Reply-To: <20070111222627.66bb75ab.akpm@osdl.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Andrew Morton Cc: linux-kernel@vger.kernel.org, jgarzik@pobox.com, linux-ide@vger.kernel.org On Thu, 2007-01-11 at 22:26 -0800, Andrew Morton wrote: > - Merged the "filesystem AIO patches". Hotfixes alreday applied. BUG: at /home/tglx/work/kernel/vanilla/linux-2.6.20-rc4-mm1/arch/i386/mm/highmem.c:60 kmap_atomic() [] show_trace_log_lvl+0x1a/0x2f [] show_trace+0x12/0x14 [] dump_stack+0x16/0x18 [] kmap_atomic+0x12f/0x1c8 [] ata_scsi_rbuf_get+0x22/0x37 [libata] [] atapi_qc_complete+0x1ee/0x240 [libata] [] __ata_qc_complete+0x86/0x8d [libata] [] ata_qc_complete+0x98/0x9e [libata] [] ata_qc_complete_multiple+0x8a/0xa4 [libata] [] ahci_interrupt+0x2bd/0x3b9 [ahci] [] handle_IRQ_event+0x21/0x48 [] handle_edge_irq+0xd1/0x115 [] do_IRQ+0x6c/0x89 [] common_interrupt+0x23/0x28 [] mwait_idle+0xd/0xf [] cpu_idle+0xb7/0xf1 [] rest_init+0x37/0x3a [] start_kernel+0x3cc/0x3ef [<00000000>] 0x0 ata_scsi_rbuf_get requests KM_IRQ0 type memory and calls kmap_atomic with interrupts enabled. Boot proceeds, but gets stuck hard at: "Remounting root filesystem in read-write mode:" No SysRq-T, nothing. The above BUG seems unrelated to that. Investigating further. tglx