Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751693AbYHGOAI (ORCPT ); Thu, 7 Aug 2008 10:00:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753267AbYHGN7v (ORCPT ); Thu, 7 Aug 2008 09:59:51 -0400 Received: from sovereign.computergmbh.de ([85.214.69.204]:41557 "EHLO sovereign.computergmbh.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753125AbYHGN7t (ORCPT ); Thu, 7 Aug 2008 09:59:49 -0400 Date: Thu, 7 Aug 2008 09:59:48 -0400 (EDT) From: Jan Engelhardt To: Steven Rostedt cc: Linux Kernel Mailing List Subject: New bug with 2.6.25-rt7 Message-ID: User-Agent: Alpine 1.10 (LNX 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3353 Lines: 73 Hi, I get the following traces time and again from 2.6.25-rt7. This did not happen with -rt6. BUG: scheduling with irqs disabled: IRQ-21/0x00000000/261 caller is rt_spin_lock_slowlock+0x1c7/0x2a0 [Frame pointers and stack unwinding enabled in .config] Pid: 261, comm: IRQ-21 Tainted: G N 2.6.25.14-jen67-rt #1 Call Trace: [] dump_trace+0x5ec/0x620 [] show_trace+0x55/0x80 [] dump_stack+0x72/0x7b [] schedule+0x102/0x110 [] rt_spin_lock_slowlock+0x1c7/0x2a0 [] __rt_spin_lock+0x5d/0x60 [] rt_spin_lock+0x9/0x10 [] kmem_cache_free+0x42/0x80 [] :uhci_hcd:uhci_free_urb_priv+0x79/0xd0 [] :uhci_hcd:uhci_giveback_urb+0x87/0x240 [] :uhci_hcd:uhci_scan_schedule+0x355/0xab0 [] :uhci_hcd:uhci_irq+0x8a/0x190 [] :usbcore:usb_hcd_irq+0x4a/0xa0 [] handle_IRQ_event+0x6d/0x130 [] thread_simple_irq+0x6a/0xd0 [] do_irqd+0x218/0x380 [] kthread+0x49/0x90 [] child_rip+0xa/0x12 CPU0 CPU1 0: 362 0 IO-APIC-edge timer 1: 2 0 IO-APIC-edge i8042 4: 5 0 IO-APIC-edge 6: 30 0 IO-APIC-edge floppy 7: 0 0 IO-APIC-edge parport0 8: 15570502 0 IO-APIC-edge rtc0 9: 0 0 IO-APIC-fasteoi acpi 12: 4 0 IO-APIC-edge i8042 14: 228042 0 IO-APIC-edge ata_piix 15: 0 0 IO-APIC-edge ata_piix 16: 940164 0 IO-APIC-fasteoi HDA Intel 18: 3 0 IO-APIC-fasteoi uhci_hcd:usb4, ohci1394 21: 297215 0 IO-APIC-fasteoi uhci_hcd:usb1, ehci_hcd:usb2 22: 0 0 IO-APIC-fasteoi uhci_hcd:usb3 23: 0 0 IO-APIC-fasteoi uhci_hcd:usb5 4346: 950261 0 PCI-MSI-edge eth0 4347: 229217 0 PCI-MSI-edge ahci NMI: 0 0 Non-maskable interrupts LOC: 11474137 11575655 Local timer interrupts RES: 371031 1059205 Rescheduling interrupts CAL: 1070281 1087689 function call interrupts TLB: 29799 22201 TLB shootdowns TRM: 0 0 Thermal event interrupts THR: 0 0 Threshold APIC interrupts SPU: 0 0 Spurious interrupts ERR: 0 # lsusb -t /: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M /: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/8p, 480M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M |__ Port 1: Dev 2, If 0, Class=HID, Driver=usbhid, 1.5M |__ Port 2: Dev 3, If 0, Class=HID, Driver=usbhid, 1.5M -- 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/