From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760899AbYENJXS (ORCPT ); Wed, 14 May 2008 05:23:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754046AbYENJXG (ORCPT ); Wed, 14 May 2008 05:23:06 -0400 Received: from rv-out-0506.google.com ([209.85.198.228]:62213 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751751AbYENJXD (ORCPT ); Wed, 14 May 2008 05:23:03 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=EmpbfoEHOjsVL5nofspBVBIOkJLVxVJyi9PR+20UY+txAhi1SAS1PkyYe7auts0u3Z0cOoeTilx5q0cjjP17gxKxbRnPqrKcnA82TybMpT0vzHyLh747pXaF5pI9KoYVezdNOBmXHF+/AZKNXbkBsr8QQbvyzVEBDBLY0Bw1pYE= Message-ID: Date: Wed, 14 May 2008 11:23:02 +0200 From: "Zdenek Kabelac" To: "Linux Kernel Mailing List" Subject: BUG: unable to handle kernel paging request - scsi_bus_uevent MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello With kernel 2.6.26-rc2 - commit 093e2bb3cb5fcc37e3d02a193a3435ba64e9eb7b (2 days old) I've got oops during boot (my setup T61, C2D, 2GB) Zdenek This oops is not deterministic BUG: unable to handle kernel paging request at ffff81007ca27f78 IP: [] scsi_bus_uevent+0x7/0x30 PGD 8063 PUD a063 PMD 7ceb8163 PTE 800000007ca27160 Oops: 0000 [1] PREEMPT SMP DEBUG_PAGEALLOC CPU 0 Modules linked in: uhci_hcd ohci_hcd ehci_hcd usbcore Pid: 612, comm: udevtrigger Not tainted 2.6.26-rc2 #1 RIP: 0010:[] [] scsi_bus_uevent+0x7/0x30 RSP: 0018:ffff81007c9ffdb8 EFLAGS: 00010286 RAX: ffff81007e152090 RBX: ffff81007ca28028 RCX: 0000000000000003 RDX: ffff81007e1521e9 RSI: ffff81007e152090 RDI: ffff81007ca28028 RBP: ffff81007c9ffdb8 R08: 00000000fffffffe R09: 000000000000000b R10: ffffffff8140d3d1 R11: ffff81007c9ffcd8 R12: ffff81007e152090 R13: 0000000000000000 R14: ffffffff8147c8e0 R15: 0000000000000000 FS: 00007f57ce88a780(0000) GS:ffffffff81493000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: ffff81007ca27f78 CR3: 000000007cefb000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process udevtrigger (pid: 612, threadinfo ffff81007c9fe000, task ffff81007c910000) Stack: ffff81007c9ffdd8 ffffffff81202bf4 ffff81007e02d738 ffff81007ca281d8 ffff81007c9ffe68 ffffffff81177cd5 ffffffff813e5dff 0000000000000000 ffff81007ca88cc0 ffff81007e152090 ffffffff8142831e 0000000000000000 Call Trace: [] dev_uevent+0x84/0x120 [] kobject_uevent_env+0x1d5/0x3f0 [] kobject_uevent+0xb/0x10 [] store_uevent+0x38/0xa0 [] dev_attr_store+0x1e/0x20 [] sysfs_write_file+0xca/0x140 [] vfs_write+0xcb/0x170 [] sys_write+0x50/0x90 [] system_call_after_swapgs+0x7b/0x80 Code: f5 ff 4d 85 e4 74 0f 49 8b 44 24 28 48 85 c0 74 05 48 89 df ff d0 31 c0 48 8b 1c 24 4c 8b 64 24 08 c9 c3 90 55 48 89 f0 48 89 e5 <0f> be 97 50 ff ff ff 48 c7 c6 43 d4 40 81 48 89 c7 31 c0 e8 21 RIP [] scsi_bus_uevent+0x7/0x30 RSP CR2: ffff81007ca27f78 ---[ end trace 30e85c42da63b92f ]--- BUG: sleeping function called from invalid context at kernel/rwsem.c:21 in_atomic():0, irqs_disabled():1 INFO: lockdep is turned off. irq event stamp: 129392 hardirqs last enabled at (129391): [] __kmalloc+0x7d/0x120 hardirqs last disabled at (129392): [] do_page_fault+0x35/0xaf0 softirqs last enabled at (129304): [] sk_filter+0x9d/0xe0 softirqs last disabled at (129302): [] sk_filter+0x4a/0xe0 Pid: 612, comm: udevtrigger Tainted: G D 2.6.26-rc2 #1 Call Trace: [] ? print_irqtrace_events+0x110/0x120 [] __might_sleep+0xec/0x130 [] down_read+0x20/0x70 [] acct_collect+0x44/0x1f0 [] do_exit+0x19c/0x8a0 [] ? do_unblank_screen+0x1f/0x170 [] oops_end+0x88/0x90 [] do_page_fault+0x280/0xaf0 [] ? __lock_acquire+0x364/0x11d0 [] ? vsnprintf+0x472/0x7e0 [] error_exit+0x0/0xa9 [] ? scsi_bus_uevent+0x7/0x30 [] ? dev_uevent+0x84/0x120 [] ? kobject_uevent_env+0x1d5/0x3f0 [] ? kobject_uevent+0xb/0x10 [] ? store_uevent+0x38/0xa0 [] ? dev_attr_store+0x1e/0x20 [] ? sysfs_write_file+0xca/0x140 [] ? vfs_write+0xcb/0x170 [] ? sys_write+0x50/0x90 [] ? system_call_after_swapgs+0x7b/0x80 agpgart: Detected an Intel 965GM Chipset. agpgart: Detected 7676K stolen memory. agpgart: AGP aperture is 256M @ 0xe0000000