https://bugzilla.novell.com/show_bug.cgi?id=325601#c19 Summary: Attaching an USB device breaks USB and throws a calltrace Product: openSUSE 10.3 Version: Beta 3 Platform: Other OS/Version: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: trenn@novell.com ReportedBy: anschneider@novell.com QAContact: qa@suse.de Found By: --- If you attach a USB device, somtimes USB stops working with an unhandled IRQ and throws a stack trace. If you unload the ehci_hcd module then USB works again. Let me know if you need more information. Full hwinfo output: http://www.cynapses.org/tmp/t61-hwinfo.log dmesg output: irq 19: nobody cared (try booting with the "irqpoll" option) Call Trace: <IRQ> [<ffffffff8025fde7>] __report_bad_irq+0x30/0x7d [<ffffffff80260036>] note_interrupt+0x202/0x244 [<ffffffff802608cf>] handle_fasteoi_irq+0xa9/0xd0 [<ffffffff8020c136>] do_IRQ+0x6c/0xd6 [<ffffffff8020a141>] ret_from_intr+0x0/0xa <EOI> [<ffffffff803f2eac>] unix_poll+0x0/0x96 [<ffffffff880040d2>] :processor:acpi_processor_idle+0x29f/0x485 [<ffffffff880040c8>] :processor:acpi_processor_idle+0x295/0x485 [<ffffffff88003e33>] :processor:acpi_processor_idle+0x0/0x485 [<ffffffff80208ce4>] default_idle+0x0/0x3d [<ffffffff80208daf>] cpu_idle+0x8e/0xb1 [<ffffffff805d077b>] start_kernel+0x2cf/0x2db [<ffffffff805d0148>] _sinittext+0x148/0x14c handlers: [<ffffffff88103d5e>] (usb_hcd_irq+0x0/0x52 [usbcore]) Disabling IRQ #19 Monitor-Mwait will be used to enter C-3 state -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.