Messages in this thread | | | Date | Thu, 7 Aug 2008 09:59:48 -0400 (EDT) | From | Jan Engelhardt <> | Subject | New bug with 2.6.25-rt7 |
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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: [<ffffffff8020e26c>] dump_trace+0x5ec/0x620 [<ffffffff8020e2f5>] show_trace+0x55/0x80 [<ffffffff804b69f8>] dump_stack+0x72/0x7b [<ffffffff804b7d92>] schedule+0x102/0x110 [<ffffffff804b9047>] rt_spin_lock_slowlock+0x1c7/0x2a0 [<ffffffff804ba32d>] __rt_spin_lock+0x5d/0x60 [<ffffffff804ba339>] rt_spin_lock+0x9/0x10 [<ffffffff802c6ff2>] kmem_cache_free+0x42/0x80 [<ffffffff88165a89>] :uhci_hcd:uhci_free_urb_priv+0x79/0xd0 [<ffffffff88165b67>] :uhci_hcd:uhci_giveback_urb+0x87/0x240 [<ffffffff881661c5>] :uhci_hcd:uhci_scan_schedule+0x355/0xab0 [<ffffffff8816896a>] :uhci_hcd:uhci_irq+0x8a/0x190 [<ffffffff88136cda>] :usbcore:usb_hcd_irq+0x4a/0xa0 [<ffffffff8028db9d>] handle_IRQ_event+0x6d/0x130 [<ffffffff8028dfea>] thread_simple_irq+0x6a/0xd0 [<ffffffff8028e268>] do_irqd+0x218/0x380 [<ffffffff80258089>] kthread+0x49/0x90 [<ffffffff8020d698>] 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
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