kernel IRQ7 problem

[Steve Grubb]

On Saturday 23 September 2006 10:09, Steve Grubb wrote:
> So, what is this and is there anything else to collect to figure this out?

I found some more info in the logs.

-Steve

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Sep 23 10:28:43 localhost kernel: ACPI: (supports S0 S1 S3 S4 S5)
Sep 23 10:28:43 localhost kernel: ACPI: PCI Interrupt Link [LUBA] enabled at IRQ 7
Sep 23 10:28:43 localhost kernel: ACPI: PCI Interrupt 0000:00:0a.0[A] -> Link [LUBA] -> GSI 7 (level, low) -> IRQ 7
Sep 23 10:28:43 localhost kernel: ohci_hcd 0000:00:0a.0: OHCI Host Controller
Sep 23 10:28:43 localhost kernel: ohci_hcd 0000:00:0a.0: new USB bus registered, assigned bus number 1
Sep 23 10:28:43 localhost kernel: ohci_hcd 0000:00:0a.0: irq 7, io mem 0xfe02f000
Sep 23 10:28:43 localhost kernel: usb usb1: configuration #1 chosen from 1 choice
Sep 23 10:28:43 localhost kernel: hub 1-0:1.0: USB hub found
Sep 23 10:28:43 localhost kernel: hub 1-0:1.0: 10 ports detected


Sep 23 10:28:45 localhost kernel: parport: PnPBIOS parport detected.
Sep 23 10:28:45 localhost kernel: parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE,EPP]
Sep 23 10:28:45 localhost kernel: IRQ handler type mismatch for IRQ 7
Sep 23 10:28:45 localhost kernel:
Sep 23 10:28:45 localhost kernel: Call Trace:
Sep 23 10:28:45 localhost kernel:  [<ffffffff8026ebbd>] show_trace+0xae/0x336
Sep 23 10:28:45 localhost kernel:  [<ffffffff8026ee5a>] dump_stack+0x15/0x17
Sep 23 10:28:45 localhost kernel:  [<ffffffff802c29da>] setup_irq+0x1bb/0x1d3
Sep 23 10:28:45 localhost kernel:  [<ffffffff802c2aa8>] request_irq+0xb6/0xdf
Sep 23 10:28:45 localhost kernel:  [<ffffffff88322fe3>] :parport_pc:parport_pc_probe_port+0x701/0x858
Sep 23 10:28:45 localhost kernel:  [<ffffffff883231f0>] :parport_pc:parport_pc_pnp_probe+0xb6/0xd8
Sep 23 10:28:45 localhost kernel:  [<ffffffff8039a9ee>] pnp_device_probe+0x7b/0xa0
Sep 23 10:28:45 localhost kernel:  [<ffffffff803bf8e6>] driver_probe_device+0x5c/0xb1
Sep 23 10:28:45 localhost kernel:  [<ffffffff803bfa50>] __driver_attach+0x89/0xdb
Sep 23 10:28:45 localhost kernel:  [<ffffffff803bf298>] bus_for_each_dev+0x49/0x7a
Sep 23 10:28:45 localhost kernel:  [<ffffffff803bf810>] driver_attach+0x1c/0x1e
Sep 23 10:28:45 localhost kernel:  [<ffffffff803beeb0>] bus_add_driver+0x89/0x138
Sep 23 10:28:45 localhost kernel:  [<ffffffff803bfcfb>] driver_register+0x8f/0x93
Sep 23 10:28:45 localhost kernel:  [<ffffffff8039a6b2>] pnp_register_driver+0x1c/0x1e
Sep 23 10:28:45 localhost kernel:  [<ffffffff8821e3a7>] :parport_pc:parport_pc_init+0x2b2/0x35a
Sep 23 10:28:45 localhost kernel:  [<ffffffff802afc6e>] sys_init_module+0x1708/0x18cc
Sep 23 10:28:45 localhost kernel:  [<ffffffff802609da>] tracesys+0xd1/0xdb
Sep 23 10:28:45 localhost kernel: DWARF2 unwinder stuck at tracesys+0xd1/0xdb
Sep 23 10:28:45 localhost kernel: Leftover inexact backtrace:
Sep 23 10:28:45 localhost kernel:
Sep 23 10:28:45 localhost kernel: parport0: irq 7 in use, resorting to polled operation
Sep 23 10:28:45 localhost kernel: lp0: using parport0 (polling).
Sep 23 10:28:45 localhost kernel: lp0: console ready