Re: Problems with 2.6.15-mm1 and mm2.

[Andrew Morton]

Martin Bligh <mbligh@xxxxxxxxxx> wrote:
>
> >>from the NUMA-Q. http://test.kernel.org/19793/debug/console.log
>  >>
>  > 
>  > 
>  > Yes, I asked Greg about that - we don't know what's causing it yet.  I have
>  > a bad feeling that this bug will go into Linus's tree if we don't fix it
>  > quick.
>  > 
>  > I had problems with gregkh-pci-x86-pci-domain-support-the-meat.patch.  It
>  > might be worth reverting that.
> 
>  Andy figured out what caused it.
> 
>  >>on -mm2 I get the x86_64 seems to lock up (NFI why ... looking at it), 
>  >>the NUMA-Q and x440 panic (very similar to the above).
>  >>
>  >>I think Andy figured out what was causing those panics. Can we drop 
>  >>those patches until they're fixed?
>  >>
>  > 
>  > 
>  > I'm not aware of any buggy x86_64 patches in -mm2 :(
>  > 
>  > I guess you don't have the time to sit down and do a bisection search. 
>  > It'd take a solid few hours...
> 
>  It's more that I don't have direct access to the machines in question
>  any more. The x86_64 one might just be a machine issue ... trying to 
>  confirm that still ... but the PCI one was real.
> 
>  M.
> 
>  Below is cut & pasted, so not applyable, and maybe it shouldn't be 
>  applied. But ... it worked before whatever is in -mm ... so my personal 
>  feeling is that if we don't have a fix for whatever is currently in -mm, 
>  it should get dropped until we do ? Going backwards = bad.
> 
>  Perhaps I'm in a time loop, and just confused. but I don't think so ?

This isn't at all clear, sorry.

Does the patch you sent fix things in 2.6.15-mm2?  On NUMAQ and on x86_64? 
Does it fix a bug which was introduced in a patch which in in 2.6.15-mm2? 
If so, which one?

etc ;)
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