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RE: [Bugme-new] [Bug 10455] New: Kernel lockup when iwl3945 modules is loaded after a few hours

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On , Bjorn Helgaas  wrote:

> iwl3945 modules is loaded after a few hours
> 
>>>>  > Apr 14 21:06:00 localhost kernel: ACPI: PCI Interrupt
> 0000:05:00.0[A] -> GSI 19 (level, low) -> IRQ 19
>>>>  > Apr 14 21:06:00 localhost kernel: ACPI: PCI interrupt
> for device 0000:05:00.0 disabled
>>>> 
>>>>  Yes, that does look like an ACPI problem.  But one would expect
>>>>  it to kill the interface immediately, not several hours later.
> 
> I can't tell whether this is an ACPI problem.  These messages are from
> pci_enable_device() and pci_disable_device().  So it looks like you're
> seeing an enable/disable pair every 124 seconds.
> 
> This could be a problem somewhere in iwl3945_mac_start() that causes
> us to turn around and disable the device immediately.  Most of
> the problems
> there have IWL_ERROR() messages associated with them, and you
> apparently aren't seeing those.

(duplicate entry will be found in bugzilla)

Are there any userspace apps managing this device? (eg. wpa_supplicant?)

Could you please load the driver with debugging (modprobe iwl3945
debug=0x43ffb) - that will help us see if iwl3945_mac_start() is being
called
frequently.

Thanks

Reinette
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