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SubjectRe: [More Info] Re: 2.6.0test 1 fails on eth0 up (arjanv RPM's - all needed rpms installed)
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On Fri, 2003-07-25 at 20:06, David Brownell wrote:

> See if this patch resolves it.
>
> The patch adds an explicit reset to HCD initialization, and then makes
> EHCI use it. (OHCI could do so even more easily ... but nobody's reported
> firmware acting that type of strange with OHCI.) It should prevent IRQs
> being enabled while the HC is still in an indeterminate state.
>
> This also fixes a missing local_irq_restore() that was generating some
> annoying might_sleep() messages, and a missing readb() that affects some
> ARM (and other) PCI systems.
>
> - Dave

Applied it against test2. I think the problem is indeed ACPI handling
PCI irqs. This is an nVidia nForce2 board, I should check to see if the
patch someone posted fixes this (Did it get folded into test2?).

Anyway, the first oops only happens if I have the mouse plugged in as
USB (Intellimouse USB... I usually use the dumb little PS/2 adapter).
The second happens now, but didn't before. It is 1394 related.
Interrupts are at 100k+ on both usb and 1394 ohci almost instantly with
ACPI on.

irq 11: nobody cared!
Call Trace:
[<c010c12a>] __report_bad_irq+0x2a/0x90
[<c010c21c>] note_interrupt+0x6c/0xb0
[<c010c42d>] do_IRQ+0xed/0x110
[<c010a9f8>] common_interrupt+0x18/0x20
[<c011f780>] do_softirq+0x40/0xa0
[<c010c414>] do_IRQ+0xd4/0x110
[<c010a9f8>] common_interrupt+0x18/0x20
[<c010c84e>] setup_irq+0x6e/0xb0
[<e087f350>] usb_hcd_irq+0x0/0x60 [usbcore]
[<c010c4d0>] request_irq+0x80/0xd0
[<e08824e0>] usb_hcd_pci_probe+0x200/0x4a0 [usbcore]
[<e087f350>] usb_hcd_irq+0x0/0x60
[<c01aa1f2>] pci_device_probe_static+0x52/0x70
[<c01aa30c>] __pci_device_probe+0x3c/0x50
[<c01aa34f>] pci_device_probe+0x2f/0x50
[<c01eb695>] bus_match+0x45/0x80
[<c01eb7ac>] driver_attach+0x5c/0x60
[<c01eba97>] bus_add_driver+0xa7/0xc0
[<c01ebf1f>] driver_register+0x2f/0x40
[<c01aa600>] pci_register_driver+0x70/0xa0
[<e0824021>] init+0x21/0x4f [ehci_hcd]
[<c0130afb>] sys_init_module+0x10b/0x200
[<c010a839>] sysenter_past_esp+0x52/0x71

handlers:
[<e087f350>] (usb_hcd_irq+0x0/0x60 [usbcore])
Disabling IRQ #11
ehci_hcd 0000:00:02.2: irq 11, pci mem e0815000
ehci_hcd 0000:00:02.2: new USB bus registered, assigned bus number 1


irq 4: nobody cared!
Call Trace:
[<c010c12a>] __report_bad_irq+0x2a/0x90
[<c010c21c>] note_interrupt+0x6c/0xb0
[<c010c42d>] do_IRQ+0xed/0x110
[<c010a9f8>] common_interrupt+0x18/0x20
[<c011f780>] do_softirq+0x40/0xa0
[<c010c414>] do_IRQ+0xd4/0x110
[<c010a9f8>] common_interrupt+0x18/0x20
[<c010c84e>] setup_irq+0x6e/0xb0
[<e08536d0>] ohci_irq_handler+0x0/0x720 [ohci1394]
[<c010c4d0>] request_irq+0x80/0xd0
[<e0855603>] ohci1394_pci_probe+0x3d3/0x580 [ohci1394]
[<e08536d0>] ohci_irq_handler+0x0/0x720 [ohci1394]
[<c01aa1f2>] pci_device_probe_static+0x52/0x70
[<c01aa30c>] __pci_device_probe+0x3c/0x50
[<c01aa34f>] pci_device_probe+0x2f/0x50
[<c01eb695>] bus_match+0x45/0x80
[<c01eb7ac>] driver_attach+0x5c/0x60
[<c01eba97>] bus_add_driver+0xa7/0xc0
[<c01ebf1f>] driver_register+0x2f/0x40
[<c01aa600>] pci_register_driver+0x70/0xa0
[<e0817013>] ohci1394_init+0x13/0x3d [ohci1394]
[<c0130afb>] sys_init_module+0x10b/0x200
[<c010a839>] sysenter_past_esp+0x52/0x71

handlers:
[<e08536d0>] (ohci_irq_handler+0x0/0x720 [ohci1394])
Disabling IRQ #4

Anyway, so either it is ACPI and fixable, or I just forget pci routing
with ACPI.

Trever Adams
--
"If a revolution destroys a systematic government, but the systematic
patterns of thought that produced that government are left intact, then
those patterns will repeat themselves in the succeding government." --
Robert M. Pirsig

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