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SubjectRe: BUG at mm/memory.c:1501 in 2.6.0-test5


Richard B. Johnson wrote:

>On Thu, 18 Sep 2003, Petr Vandrovec wrote:
>
>
>>On 18 Sep 03 at 13:43, William Lee Irwin III wrote:
>>
>>>On Thu, Sep 18, 2003 at 10:27:58PM +0200, Petr Vandrovec wrote:
>>>
>>>>EIP: 0060:[<c015be10>] Tainted: PF
>>>>
>>> snprintf(buf, sizeof(buf), "Tainted: %c%c%c",
>>> tainted & TAINT_PROPRIETARY_MODULE ? 'P' : 'G',
>>> tainted & TAINT_FORCED_MODULE ? 'F' : ' ',
>>> tainted & TAINT_UNSAFE_SMP ? 'S' : ' ');
>>>
>>>This is probably the reason you're not getting much in the way of a
>>>response.
>>>
>>I explicitly stated that it happened shortly after I shut down VMware UI,
>>and that I spent whole day trying to find what's going on, finally
>>politely asking for help, hoping that someone could have a clue
>>what went wrong.
>> Petr Vandrovec
>>
>>
>
>Okay. I'll be more specific. The "Tainted PF" shown above is
>because you have installed a module that is [P]roprietary and
>it was [F]orced to load.
>
>Any module running inside the kernel can destroy anything.
>There is no protection inside the kernel. A simple bug in any
>module can not only cause your machine to die, but it can, in
>principle, destroy everything on your hard disk as well as
>shutting down your LAN, causing millions of dollars of
>damages (seriously). It is possible.
>
>Therefore, If you report a bug, and your system is tainted
>with a proprietary module, nobody can help you because the
>

You should send your report to the vendor. They might not be supporting
2.6 yet though. Alternatively, try to reproduce the problem having never
loaded closed source modules since booting: it is now much less
frustrating for developers to track down and fix.



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