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Re: Kernel messages during startup

On Wed, 10 Aug 2011 20:44:15 +0200, Ralf Jung wrote:

>> On Tue, 09 Aug 2011 13:26:46 +0200, Ralf Jung wrote:
>> > every time I boot my laptop (HP Compaq 615) into Debian testing, some
>> > kernel messages are printed on the boot console: [    0.470960]
>> > pci_root PNP0A03:00: address space collision: host bridge window [mem
>> > 0x000cc000-0x000cffff] conflicts with Video ROM [mem
>> > 0x000c0000-0x000ce9ff] [    0.471052] pci_root PNP0A03:00: address
>> > space collision: host bridge window [mem 0x000ec000-0x000effff]
>> > conflicts with reserved [mem 0x000ef000-0x000fffff]
>> (...)
>> There is an upstream bug for those errors:
>> Bug 38522 - address space collision error message on boot
>> https://bugzilla.kernel.org/show_bug.cgi?id=38522
> I think this is only about the first one, the other one is slightly
> different ("conflicts with Video RAM" vs. "conflicts with reserved"),
> and it was already present in 2.6.39.
>> For the rest... well, this may require an additional Google search :-)
> Well, I did that, and for some of them I found that supposedly, they are
> harmless. I wonder however if that qualifies as a bug, i.e. is it
> justified to report a bug against the kernel (at bugs.debian.org) saying
> that there is this message during startup?

>From the reporter POV, I'd say it is justified to report anything we 
consider is not normal or that it should not be present. I wouldn't worry 
about that, devels and packagers take the appropiate steps, that is, if 
there is no real bug to worry about, they will just ignore your report or 
will tell you (with more or less kind words) that there is nothing to fix 

Look, there is a bug report opened in Fedora for the "address space 
collision" message:

Multiple kernel problems and memory collision

Which makes me think that kernel developers are fully aware of the 



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