David Brownell wrote:
>On Saturday 26 March 2005 10:08 am, Jeremy Fitzhardinge wrote:
>
>
>>Alan Stern wrote:
>>
>>
>>
>>>On Fri, 25 Mar 2005, Jeremy Fitzhardinge wrote:
>>>
>>>
>>>
>>>
>>>>PCI: Enabling device 0000:00:1d.7 (0000 -> 0002)
>>>><1>Unable to handle kernel NULL pointer dereference
>>>>
>>>>
>>>>
>>>Does the error message about a NULL pointer dereference include any other
>>>useful information, such as a stack trace?
>>>
>>>
>>>
>>Nothing. The cursor is left blinking at 'e' in dereference.
>>
>>
>
>Even with "echo 8 > /proc/sysrq-trigger" to
>make more info appear? And CONFIG_USB_DEBUG?
>And CONFIG_DEBUG_KERNEL?
>
>
As I said, the machine was completely locked up at that point, and
magic-sysreq got no response. I'll try turning on more debugging. It
seems to be non-deterministic; I have suspended and resumed a few times
since then without problem. It is possible it was related to netconsole
(which I had enabled to try to get more detailed info).
J
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